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Welwyn

Welwyn last 24 hours
  • 24°C 12°C
    Sunny intervals
  • 23°C 16°C
    Sunny day
  • 25°C 14°C
    Sunny intervals
  • 22°C 14°C
    Cloudy
  • 17°C 12°C
    Cloudy
  • 18°C 10°C
    Cloudy
  • 18°C 11°C
    Cloudy
Thursday   (25 May 2017)
1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Cloudy Cloudy Cloudy Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Clear night Clear night
Temperature (°C)
24 24 23 23 22 21 20 18 16 15 14
Feels like temperature (°C) arrow down
23 23 22 21 20 19 18 17 15 14 13
Precipitation probability arrow down
<5% <5% <5% <5% <5% <5% <5% <5% <5% <5% <5%
Wind direction, speed & gust (mph) arrow down
ESE 6 8 ESE 8 13 ESE 9 15 ESE 11 19 ESE 11 18 ESE 10 17 ESE 9 17 ESE 9 17 E 8 17 ESE 7 17 ESE 7 18
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG VG VG VG VG VG VG VG VG VG VG
Humidity arrow down
56% 56% 56% 54% 54% 55% 58% 61% 62% 66% 69%
UV index arrow down
6 5 5 4 3 2 1 1 0 0 0
Friday   (26 May 2017)
0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Clear night Clear night Clear night Clear night Clear night Clear night Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Clear night Clear night
Temperature (°C)
14 13 13 13 12 13 13 15 17 19 21 22 22 23 23 23 23 22 21 21 19 18 17 16
Feels like temperature (°C) arrow down
12 12 12 12 11 11 12 14 16 17 18 19 20 20 20 20 20 19 19 18 18 16 15 15
Precipitation probability arrow down
<5% <5% <5% <5% <5% <5% <5% <5% <5% <5% <5% <5% <5% <5% <5% <5% <5% <5% <5% <5% <5% <5% <5% <5%
Wind direction, speed & gust (mph) arrow down
ESE 7 18 ESE 7 18 ESE 7 18 ESE 7 18 ESE 7 18 E 7 19 ESE 8 19 ESE 8 18 ESE 9 16 ESE 10 18 SE 12 22 SE 13 24 SE 14 25 ESE 14 25 ESE 14 26 ESE 14 25 ESE 14 26 ESE 14 25 ESE 13 24 ESE 12 23 E 10 21 E 10 21 ESE 9 21 ESE 9 20
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG G G G G G G G G G VG VG VG VG VG VG VG VG VG VG VG VG G G
Humidity arrow down
74% 77% 82% 85% 89% 90% 89% 84% 78% 71% 63% 56% 54% 52% 51% 53% 55% 57% 61% 65% 69% 73% 76% 77%
UV index arrow down
0 0 0 0 0 0 1 1 3 4 5 6 7 8 6 5 4 3 2 1 1 0 0 0
Saturday   (27 May 2017)
0000 0100 0400 0700 1000 1300 1600 1900 2200
Clear night Clear night Clear night Sunny day Light shower day Sunny intervals Sunny intervals Cloudy Partly cloudy night
Temperature (°C)
16 16 16 17 20 24 25 23 19
Feels like temperature (°C) arrow down
15 15 14 16 19 23 24 22 18
Precipitation probability arrow down
<5% <5% <5% <5% 40% <5% <5% <5% <5%
Wind direction, speed & gust (mph) arrow down
ESE 9 20 ESE 9 21 ESE 9 20 SE 10 19 SE 11 21 S 10 21 SW 12 25 SW 9 18 WSW 6 11
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
G G G G G VG VG VG VG
Humidity arrow down
79% 81% 84% 78% 71% 66% 57% 64% 81%
UV index arrow down
0 0 0 1 4 7 4 1 0
Sunday   (28 May 2017)
0100 0400 0700 1000 1300 1600 1900 2200
Partly cloudy night Partly cloudy night Cloudy Cloudy Cloudy Cloudy Cloudy Light shower night
Temperature (°C)
16 14 15 18 20 21 20 18
Feels like temperature (°C) arrow down
16 14 15 18 20 21 20 17
Precipitation probability arrow down
<5% <5% 10% 10% 10% 10% 10% 40%
Wind direction, speed & gust (mph) arrow down
WNW 5 9 NW 5 9 NNW 5 11 NNE 5 13 SSE 5 12 E 6 15 ENE 6 12 ENE 6 12
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG VG VG VG G VG VG G
Humidity arrow down
85% 92% 85% 76% 72% 71% 76% 84%
UV index arrow down
0 0 1 4 5 3 1 0
Monday   (29 May 2017)
0100 0400 0700 1000 1300 1600 1900 2200
Light shower night Light shower night Light rain Cloudy Overcast Overcast Light shower day Overcast
Temperature (°C)
15 14 14 15 16 16 16 14
Feels like temperature (°C) arrow down
15 14 13 14 16 15 15 13
Precipitation probability arrow down
40% 30% 50% 10% 20% 20% 40% 20%
Wind direction, speed & gust (mph) arrow down
NE 7 14 NNE 6 14 NNE 7 16 N 8 16 N 8 16 NNE 8 17 NNE 7 15 NNE 7 14
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG G M G G G G VG
Humidity arrow down
91% 92% 93% 90% 84% 83% 85% 89%
UV index arrow down
0 0 1 2 3 2 1 0
Tuesday   (30 May 2017)
0100 0400 0700 1000 1300 1600 1900 2200
Light shower night Overcast Cloudy Cloudy Cloudy Sunny intervals Cloudy Cloudy
Temperature (°C)
13 12 12 14 17 18 17 15
Feels like temperature (°C) arrow down
12 11 11 13 16 17 16 14
Precipitation probability arrow down
40% 20% 10% 10% 10% 10% 10% 10%
Wind direction, speed & gust (mph) arrow down
NE 6 12 E 6 13 E 7 13 ESE 7 15 SE 7 16 N 6 14 N 7 14 SSE 7 13
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
G G G G VG VG VG VG
Humidity arrow down
91% 90% 89% 80% 70% 64% 67% 78%
UV index arrow down
0 0 1 3 5 3 1 0
Wednesday   (31 May 2017)
0100 0400 0700 1000 1300 1600 1900 2200
Partly cloudy night Partly cloudy night Sunny intervals Cloudy Sunny intervals Cloudy Sunny intervals Partly cloudy night
Temperature (°C)
12 11 12 14 17 18 17 15
Feels like temperature (°C) arrow down
11 11 11 13 15 16 15 13
Precipitation probability arrow down
<5% <5% <5% 10% <5% 10% <5% 10%
Wind direction, speed & gust (mph) arrow down
SSE 6 10 SSE 5 11 SSE 6 12 SSE 8 17 SSE 10 21 SSE 10 21 SSE 9 19 SSE 9 17
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG VG VG VG VG VG VG G
Humidity arrow down
87% 89% 87% 75% 63% 63% 67% 76%
UV index arrow down
0 0 2 4 5 3 1 0
More Detail chevron down

Issued at: 1200 on Thu 25 May 2017

Forecast summary

Regional forecast for East of England

Dry, sunny and very warm.

Today:

It will be another dry, sunny and very warm day. It may feel cooler on the coast in the afternoon with a sea breeze developing. Maximum Temperature 26 °C.

Tonight:

A warm evening with sunshine continuing. It will remain warm overnight with a muggy feel although will be dry with largely clear skies. Minimum Temperature 12 °C.

Friday:

Dry, sunny and very warm again on Friday. Perhaps a little breezier on the coast. Some areas of low cloud or sea fog may roll in later in the day. Maximum Temperature 26 °C.

Outlook for Saturday to Monday:

Humid on Saturday with a risk of thunderstorms, heavy downpours and hail. Drier and fresher for much of Sunday, although a risk of thundery showers later and through Monday.

Updated at: 0526 on Thu 25 May 2017

UK forecast for the next 5 days

Hot and sunny

Today:

The UK will have another dry day with plenty of sunshine. It will become very warm or hot in most places, though less warm than yesterday near southern and eastern coasts. Only Shetland is likely to have any significant cloud.

Tonight:

There will be very little cloud overnight, even over the Scottish islands, but it will stay very mild everywhere in spite of this.

Friday:

Friday will be dry, sunny and hot again almost everywhere. It will cloud over in western parts of Northern Ireland later with the possibility of showery rain there later.

Outlook for Saturday to Monday:

Hot and mainly sunny weather breaking down as rain and thunderstorms move across the country from the west. Becoming fresher but still warm, although further chance of thundery rain later.

Updated at: 0251 on Thu 25 May 2017

Outlook for the UK over the next 6-30 days

UK Outlook for Tuesday 30 May 2017 to Thursday 8 Jun 2017:

Initially fairly settled with dry conditions and some sunny spells on Tuesday. Then becoming more changeable with bands of cloud and rain pushing in from the west, weakening as they move eastwards. The south and southeast still at risk of further humid conditions and thundery outbreaks. Temperatures remaining rather warm. Remaining unsettled from the end of the week and through the remainder of the period with a northwest-southeast split. The northwest tending to see spells of rain or showers with some drier, brighter interludes. Generally drier and brighter further southeast, but with some humid, thundery spells still possible in the southeast. Becoming windy at times, especially over next weekend. Temperatures generally near normal, or rather cool, in the northwest and warm at times in the south and east.

Updated at: 1250 on Thu 25 May 2017

UK Outlook for Friday 9 Jun 2017 to Friday 23 Jun 2017:

Confidence is currently low through this period, though we are more likely to see changeable conditions continue through the early part of June. More settled weather may begin to dominate for a time towards the middle of the month, bringing drier and brighter weather for many. Temperatures are likely to be close to normal at first, but may become generally warm, perhaps locally very warm for a time during mid June. By the latter part of the month, there is a possibility of more unsettled conditions developing once more, with spells of rain at times, and temperatures returning closer to average.

Updated at: 1248 on Thu 25 May 2017