News
Cold conditions sweep across UK
There will be widespread overnight frosts for much of the UK in the coming days and a risk of snow for some regions.
Read moreHemel Hempstead (Hertfordshire) weather
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Forecast days
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Today. Maximum daytime temperature: 3 degrees Celsius; Minimum nighttime temperature: -1 degrees Celsius. Clear. Sunrise: ; Sunset: . UV: Low; Pollution: Low; No pollen data.Today. Maximum daytime temperature: 3 degrees Celsius; Minimum nighttime temperature: -1 degrees Celsius. Clear. Sunrise: ; Sunset: . UV: Low; Pollution: Low; No pollen data.
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Thursday 30 November. Maximum daytime temperature: 3 degrees Celsius; Minimum nighttime temperature: -1 degrees Celsius. Cloudy changing to clear by nighttime. Sunrise: ; Sunset: . UV: Low; Pollution: Low; No pollen data.Thursday 30 November. Maximum daytime temperature: 3 degrees Celsius; Minimum nighttime temperature: -1 degrees Celsius. Cloudy changing to clear by nighttime. Sunrise: ; Sunset: . UV: Low; Pollution: Low; No pollen data.
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Friday 1 December. Maximum daytime temperature: 3 degrees Celsius; Minimum nighttime temperature: -3 degrees Celsius. Cloudy changing to sunny by lunchtime. Sunrise: ; Sunset: . UV: Low; Pollution: Low; No pollen data.Friday 1 December. Maximum daytime temperature: 3 degrees Celsius; Minimum nighttime temperature: -3 degrees Celsius. Cloudy changing to sunny by lunchtime. Sunrise: ; Sunset: . UV: Low; Pollution: Low; No pollen data.
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Saturday 2 December. Maximum daytime temperature: 2 degrees Celsius; Minimum nighttime temperature: -2 degrees Celsius. Clear changing to cloudy by nighttime. Sunrise: ; Sunset: . UV: Low; Pollution: Low; No pollen data.Saturday 2 December. Maximum daytime temperature: 2 degrees Celsius; Minimum nighttime temperature: -2 degrees Celsius. Clear changing to cloudy by nighttime. Sunrise: ; Sunset: . UV: Low; Pollution: Low; No pollen data.
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Sunday 3 December. Maximum daytime temperature: 5 degrees Celsius; Minimum nighttime temperature: 2 degrees Celsius. Overcast changing to light rain by late morning. Sunrise: ; Sunset: . UV: Low; Pollution: Low; No pollen data.Sunday 3 December. Maximum daytime temperature: 5 degrees Celsius; Minimum nighttime temperature: 2 degrees Celsius. Overcast changing to light rain by late morning. Sunrise: ; Sunset: . UV: Low; Pollution: Low; No pollen data.
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Monday 4 December. Maximum daytime temperature: 5 degrees Celsius; Minimum nighttime temperature: 2 degrees Celsius. Light rain changing to cloudy by late morning. Sunrise: ; Sunset: . UV: Low;Monday 4 December. Maximum daytime temperature: 5 degrees Celsius; Minimum nighttime temperature: 2 degrees Celsius. Light rain changing to cloudy by late morning. Sunrise: ; Sunset: . UV: Low;
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Tuesday 5 December. Maximum daytime temperature: 5 degrees Celsius; Minimum nighttime temperature: 2 degrees Celsius. Overcast changing to sunny intervals by lunchtime. Sunrise: ; Sunset: . UV: Low;Tuesday 5 December. Maximum daytime temperature: 5 degrees Celsius; Minimum nighttime temperature: 2 degrees Celsius. Overcast changing to sunny intervals by lunchtime. Sunrise: ; Sunset: . UV: Low;
Seven day forecast for Hemel Hempstead
| Time | 20:00 | 21:00 | 22:00 | 23:00 |
|---|---|---|---|---|
| Weather symbols |
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Chance of precipitation
|
<5% | <5% | <5% | <5% |
|
|
1°
|
0°
|
0°
|
-1°
|
|
|
-1° | -2° | -3° | -3° |
|
|
N
3
|
N
4
|
NNE
5
|
NNE
5
|
|
|
8 | 9 | 12 | 12 |
|
|
G | G | G | G |
|
Humidity
|
84% | 83% | 86% | 87% |
|
UV
|
- | - | - | - |
| Time | 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 21:00 | 22:00 | 23:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |
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Chance of precipitation
|
<5% | <5% | <5% | <5% | <5% | 10% | 10% | 10% | 10% | <5% | <5% | 10% | 10% | 10% | 10% | 10% | 10% | 10% | <5% | <5% | <5% | <5% | <5% | <5% |
|
|
-1°
|
-1°
|
-1°
|
-1°
|
-1°
|
-1°
|
0°
|
0°
|
0°
|
1°
|
1°
|
2°
|
3°
|
3°
|
3°
|
3°
|
3°
|
2°
|
2°
|
1°
|
1°
|
0°
|
0°
|
0°
|
|
|
-4° | -4° | -5° | -5° | -5° | -5° | -5° | -4° | -4° | -4° | -3° | -2° | -2° | -1° | -1° | -1° | -2° | -2° | -2° | -3° | -3° | -4° | -4° | -5° |
|
|
NNE
5
|
NE
6
|
NNE
6
|
NE
7
|
NE
8
|
NE
8
|
NE
9
|
NE
9
|
NE
9
|
NE
10
|
NE
10
|
NE
11
|
NE
11
|
NE
12
|
NE
11
|
NE
11
|
NE
11
|
NE
10
|
NE
10
|
NNE
10
|
NNE
9
|
NNE
9
|
NNE
8
|
N
8
|
|
|
14 | 15 | 17 | 18 | 20 | 18 | 18 | 19 | 20 | 20 | 20 | 20 | 21 | 22 | 22 | 21 | 22 | 21 | 20 | 19 | 19 | 19 | 19 | 19 |
|
|
G | G | G | G | G | M | M | M | G | G | G | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG |
|
Humidity
|
88% | 88% | 88% | 89% | 93% | 96% | 96% | 95% | 93% | 88% | 83% | 80% | 78% | 80% | 80% | 80% | 79% | 80% | 80% | 80% | 81% | 83% | 85% | 87% |
|
UV
|
- | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - | - | - |
| Time | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbols |
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Chance of precipitation
|
<5% | 10% | 10% | 10% | <5% | <5% | <5% | <5% |
|
|
-1°
|
-1°
|
-1°
|
0°
|
2°
|
2°
|
0°
|
-1°
|
|
|
-5° | -6° | -5° | -5° | -2° | -1° | -3° | -4° |
|
|
N
9
|
N
9
|
N
9
|
N
8
|
N
9
|
N
7
|
N
7
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NNW
6
|
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|
19 | 17 | 17 | 16 | 16 | 15 | 14 | 11 |
|
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VG | VG | G | G | VG | VG | VG | VG |
|
Humidity
|
88% | 93% | 94% | 93% | 83% | 82% | 91% | 93% |
|
UV
|
- | - | - | 1 | 1 | 1 | - | - |
| Time | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbols |
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Chance of precipitation
|
<5% | <5% | <5% | <5% | <5% | <5% | <5% | 10% |
|
|
-2°
|
-2°
|
-3°
|
-2°
|
1°
|
1°
|
0°
|
-1°
|
|
|
-5° | -5° | -6° | -5° | -1° | -1° | -3° | -4° |
|
|
NNW
5
|
NW
5
|
WNW
5
|
W
5
|
WSW
5
|
SW
5
|
SW
6
|
SSW
6
|
|
|
10 | 10 | 9 | 9 | 11 | 9 | 11 | 11 |
|
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VG | G | G | G | VG | G | VG | VG |
|
Humidity
|
95% | 96% | 96% | 94% | 82% | 84% | 88% | 89% |
|
UV
|
- | - | - | 1 | 1 | 1 | - | - |
| Time | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbols |
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Chance of precipitation
|
10% | 20% | 10% | 40% | 20% | 20% | 20% | 40% |
|
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-1°
|
0°
|
1°
|
2°
|
4°
|
4°
|
4°
|
4°
|
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-4° | -3° | -2° | -2° | 1° | 1° | 0° | 0° |
|
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SSW
6
|
SSW
6
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SSW
7
|
SSW
8
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S
8
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S
8
|
S
9
|
S
9
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|
11 | 12 | 14 | 17 | 18 | 17 | 17 | 18 |
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G | G | G | G | G | G | G | G |
|
Humidity
|
89% | 89% | 92% | 92% | 90% | 91% | 93% | 93% |
|
UV
|
- | - | - | 1 | 1 | 1 | - | - |
| Time | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbols |
|
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Chance of precipitation
|
20% | 20% | 60% | 20% | 20% | 20% | 20% | 20% |
|
|
3°
|
3°
|
3°
|
3°
|
4°
|
4°
|
3°
|
3°
|
|
|
0° | 0° | 0° | 0° | 1° | 1° | 1° | 0° |
|
|
S
10
|
S
10
|
S
9
|
SE
9
|
S
9
|
SSE
8
|
SE
8
|
SE
7
|
|
|
20 | 20 | 19 | 19 | 19 | 16 | 15 | 14 |
|
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G | G | G | G | G | G | G | G |
|
Humidity
|
92% | 91% | 94% | 93% | 91% | 91% | 93% | 94% |
|
UV
|
- | - | - | 1 | 1 | 1 | - | - |
| Time | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbols |
|
|
|
|
|
|
|
|
|
Chance of precipitation
|
20% | 10% | 10% | 10% | 10% | 10% | 10% | 10% |
|
|
3°
|
2°
|
2°
|
3°
|
4°
|
4°
|
4°
|
3°
|
|
|
0° | 0° | -1° | 0° | 2° | 2° | 1° | 0° |
|
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WSW
7
|
NW
7
|
NW
7
|
WNW
7
|
WSW
7
|
WSW
8
|
SW
8
|
W
8
|
|
|
14 | 14 | 13 | 14 | 16 | 15 | 15 | 16 |
|
|
G | G | G | G | VG | G | G | G |
|
Humidity
|
95% | 95% | 95% | 94% | 89% | 89% | 92% | 92% |
|
UV
|
- | - | - | 1 | 1 | 1 | - | - |
Our weather symbols tell you the weather conditions for any given hour in the day or night. This means that the symbol for 09:00 shows you what you will see from 09:00 to 10:00.
Chance of precipitation represents how likely it is that rain (or other types of precipitation, such as sleet, snow, hail and drizzle) will fall from the sky at a certain time.
This number shows the air temperature for the time period. You can see the temperature in Celsius or Fahrenheit by using the dropdown menu.
Feels like temperature considers other factors, such as wind speed and humidity. This gives you a better idea of how the temperature will actually feel at the time.
Wind gust shows the highest wind speed that you should encounter at that time, as winds peak and lull.
Strong winds are shown in bold for speeds of 29 mph or more.
The arrow shows the direction the wind is blowing. The letters show the direction the wind is blowing from (on a standard 16-point compass).
The number represents the average wind speed expected at that time.
The arrow shows the direction of the wind (up is north). If the arrow points from land to sea, the wind will be blowing out to sea (‘offshore’). The number is the average wind speed.
Beware of offshore winds if you are using inflatables, paddle boards or kayaks. These winds can blow you out to sea. Read more about how wind will affect you at the beach.
Visibility measures the distance at which an object can be clearly seen.
| VP (Very Poor) | Less than 1 km |
| P (Poor) | 1.1 km to 4 km |
| M (Moderate) | 4.1 km to 10 km |
| G (Good) | 10.1 km to 20 km |
| VG (Very Good) | 20.1 km to 40 km |
| E (Excellent) | Greater than 40 km |
Humidity is the amount of water vapor in the air. If there is a lot of water vapour, the humidity will be high. The higher the percentage of humidity, the wetter it will feel outside.
UV exposure index and the protection required to help keep you safe:
No risk of UV - It’s safe to stay outside. Low - You can safely stay outside. Consider sunscreen in direct sunlight. Moderate - Take care during midday hours and do not spend too much time in the sun unprotected. Sunscreen advised. High - Seek shade during midday hours, cover up and wear sunscreen. Very high - Spend time in the shade between 11am and 3pm. Shirt, sunscreen and hat are essential. Extreme - Avoid being outside during midday hours. Shirt, sunscreen and hat essential.
This is the average height of the waves, 1-2 miles out to sea. The height of the waves can vary. The individual waves out to sea or at the beach can be higher than this number. If you are close to the water, keep an eye on the waves to stop you or your belongings being swept away.
Read more about calculating the expected height of the waves at the beach.
This is the average number of seconds between one wave and the next, 1-2 miles out to sea. A long wave period (more than 10 seconds) means the waves at the beach may be more powerful. Lifeguards can give you advice on waves if you’re planning to go into the water.
Read more about the period of waves.
The arrow shows the average direction of the waves 1-2 miles out to sea. It indicates how sheltered the beach will be from these waves. If the arrow points towards land, most of the waves’ power will reach the beach. If the arrow is parallel to or pointing away from land, the wave height is likely to be lower on the beach than it is offshore.
Lifeguards can give you advice on waves if you’re planning to go into the water.
Hemel Hempstead weather map
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WARNING
Flood alerts in force
for England
Flood alerts in force
for England
East of England weather forecast
Headline:
Feeling cold with wintry showers around coasts.
This Evening and Tonight:
Clear skies overnight which means it will be turning very cold with a widespread sharp frost, and some icy stretches possible. Mist and freezing fog patches possible into the early hours with the odd wintry shower along the east coast. Minimum temperature -3 °C.
Thursday:
Another cold and frosty start but largely dry with some autumnal sunshine once any mist and fog slowly clears. Perhaps the odd wintry shower along the east coast. Feeling cold. Maximum temperature 4 °C.
Outlook for Friday to Sunday:
Cold with some early morning mist and fog into the weekend. Wintry showers continuing around coasts Friday but looking drier Saturday. Perhaps cloudier Sunday, somewhat milder with rain possible.
Updated:
UK long range weather forecast
A fair amount of uncertainty at the start of this period as milder and more generally unsettled conditions towards the south and west try and extend further north and east. It is likely that northern and perhaps some eastern areas will start off cold with further overnight frosts and wintry showers in places. Indeed, northern Scotland may remain on the cold side, at least for the first few days of this period. Elsewhere, milder, or at least less cold weather than the preceding days, with areas of rain and stronger winds, this erratically spreading further north and east with time. Moving towards mid December and more generally unsettled and milder conditions look most probable with any colder interludes likely to be short-lived.
Updated:
Conditions are most likely to be changeable through this period. Wetter and windier than average conditions are slightly more likely than normal, especially in the west and northwest. Temperatures are most likely to be near or above average overall, although this doesn't rule out some spells of cold weather and associated wintry hazards, though the chances of any prolonged spells of cold weather are low.
Updated:
