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Harpenden

YELLOW Warnings in force for Hertfordshire
Recent locations
Harpenden last 24 hours
  • 20°C 14°C
    Cloudy
  • 18°C 14°C
    Light rain
  • 16°C 11°C
    Heavy rain
  • 17°C 10°C
    Light shower day
  • 16°C 10°C
    Light shower day
Saturday   (29 August 2015)
1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Sunny intervals Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
Temperature (°C)
19 20 20 20 19 18 17 16 16 16 15
Warnings for Hertfordshire
Yellow Yellow Yellow Yellow
Feels like temperature (°C) arrow down
18 18 19 19 19 17 16 16 16 15 16
Precipitation probability arrow down
<5% 10% 10% 10% 10% 10% 10% 10% 10% 20% 20%
Wind direction, speed & gust (mph) arrow down
S 8 12 S 6 10 S 6 10 SSW 6 10 SSW 5 9 S 8 14 S 7 12 S 6 10 SSE 5 9 SSE 4 7 SSE 3 5
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 G G
Humidity arrow down
57% 55% 54% 55% 59% 64% 74% 76% 80% 84% 88%
UV index arrow down
4 3 2 2 1 1 1 0 0 0 0
Sunday   (30 August 2015)
0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Light rain Heavy rain Light rain Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Overcast Overcast Overcast Cloudy Overcast Cloudy Light rain Light rain Heavy rain Heavy rain Light rain Light rain Overcast Light rain Overcast
Temperature (°C)
15 15 15 15 14 14 14 14 15 15 16 16 17 17 18 18 18 18 17 17 17 16 16 16
Warnings for Hertfordshire
Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow
Feels like temperature (°C) arrow down
15 15 15 15 15 14 14 14 14 14 14 15 15 15 16 16 16 16 16 16 15 15 15 14
Precipitation probability arrow down
60% 80% 40% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 40% 50% 80% 90% 50% 50% 20% 60% 20%
Wind direction, speed & gust (mph) arrow down
SE 3 5 N 3 5 NE 4 6 NE 4 7 NNE 4 9 NNE 5 10 NNE 6 12 NNE 6 13 NNE 7 14 NE 7 14 NE 8 14 NE 8 14 NE 8 15 NE 8 15 NE 8 15 NE 8 16 NE 7 16 NE 7 16 NE 7 15 NE 7 14 NE 7 15 NE 7 15 NE 7 15 NE 7 15
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
G M G VG VG G G G G G G G G G G G G M M G M M M M
Humidity arrow down
91% 94% 94% 94% 94% 95% 94% 94% 93% 92% 92% 90% 89% 88% 88% 88% 89% 90% 90% 91% 93% 95% 96% 96%
UV index arrow down
0 0 0 0 0 0 0 1 1 2 2 2 2 3 2 1 1 1 1 1 0 0 0 0
Monday   (31 August 2015)
0000 0100 0400 0700 1000 1300 1600 1900 2200
Overcast Overcast Overcast Overcast Overcast Light rain Heavy rain Heavy rain Light rain
Temperature (°C)
15 15 15 15 15 16 16 15 14
Warnings for Hertfordshire
Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow
Feels like temperature (°C) arrow down
14 14 14 14 14 15 15 13 12
Precipitation probability arrow down
20% 20% 20% 50% 20% 50% 80% 70% 50%
Wind direction, speed & gust (mph) arrow down
NE 7 15 NNE 7 16 NE 7 15 NNE 8 15 NNE 9 17 NNE 9 18 N 9 18 NNW 10 22 NNW 10 23
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
M M M M M M M M G
Humidity arrow down
97% 97% 97% 97% 95% 93% 91% 92% 93%
UV index arrow down
0 0 0 1 1 2 1 1 0
Tuesday   (01 September 2015)
0100 0400 0700 1000 1300 1600 1900 2200
Light rain Light rain Cloudy Light shower day Light rain Light shower day Sunny intervals Partly cloudy night
Temperature (°C)
13 12 11 14 16 16 15 13
Warnings for Hertfordshire
No warnings for Tuesday
Feels like temperature (°C) arrow down
11 10 10 11 13 14 13 11
Precipitation probability arrow down
60% 50% 20% 30% 40% 40% 10% 10%
Wind direction, speed & gust (mph) arrow down
NW 10 23 NW 10 23 NW 10 23 NW 12 26 WNW 12 27 NW 11 24 NW 10 20 NW 8 17
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
M G G G G VG VG G
Humidity arrow down
92% 93% 91% 83% 69% 64% 67% 79%
UV index arrow down
0 0 1 3 4 2 1 0
Wednesday   (02 September 2015)
0100 0400 0700 1000 1300 1600 1900 2200
Clear night Clear night Cloudy Cloudy Sunny intervals Light shower day Light shower day Cloudy
Temperature (°C)
11 10 10 13 15 15 14 12
Warnings for Hertfordshire
No warnings for Wednesday
Feels like temperature (°C) arrow down
10 9 9 11 13 13 13 11
Precipitation probability arrow down
<5% <5% <5% 10% 10% 30% 40% 10%
Wind direction, speed & gust (mph) arrow down
NW 8 15 NW 8 15 NW 8 15 NW 10 19 NW 10 21 NW 10 20 NNW 7 14 NNW 6 12
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
G G G G G G G G
Humidity arrow down
86% 88% 88% 78% 67% 66% 73% 84%
UV index arrow down
0 0 1 2 4 2 1 0
More Detail chevron down

Issued at: 1200 on Sat 29 Aug 2015

Forecast summary

  • Regional
  • UK 5 days
  • UK 6-30 days

Regional forecast for East of England

Dry for much of the day. Some rain this evening.

Today:

A dry start with patchy cloud and sunny periods. Cloud will begin to increase from the south west later in the day, with some rain reaching the south by late afternoon. Maximum Temperature 21°C.

Tonight:

Sporadic outbreaks or rain in the south at first will spread north during the evening affecting most areas for a time overnight, with one or two heavier bursts likely. Minimum Temperature 12°C.

Sunday:

Mostly cloudy at first with rain clearing north. Some sunny intervals will develop by the afternoon, although feeling humid. Risk of heavy, possibly thundery showers in the south later. Maximum Temperature 21°C.

Outlook for Monday to Wednesday:

Monday most likely cloudy and breezy with rain, heavy at times. Rain clearing Tuesday morning then fresher with winds easing. A chilly start Wednesday then sunny spells and isolated showers.

Updated at: 1241 on Sat 29 Aug 2015

UK forecast for the next 5 days

Bright for all with sunny spells and some showery rain.

Today:

Many places dry with long sunny spells. The threat of showers continues in the north, heaviest and most frequent in the far northwest. Cloudier across parts of the south, with showery rain for some southern counties later.

Tonight:

Mild in the southeast with showery rain affecting some parts, possibly heavy with thunder. Further north, showers inland will ease, leaving clear spells and a chilly night.

Sunday:

Still breezy in the far north with scattered showers affecting Northern Ireland and Scotland. Cloudy at times further south with some showery rain, occasionally heavy later. Humid in the southeast.

Outlook for Monday to Wednesday:

Rain across southern parts gradually clearing away east by Tuesday, with drier, brighter conditions following. Showers in the north slowly ease. Some warm sunshine, but chilly nights developing for all.

Updated at: 0202 on Sat 29 Aug 2015

Outlook for the UK over the next 6-30 days

UK Outlook for Thursday 3 Sep 2015 to Saturday 12 Sep 2015:

The gradual change to more settled conditions across the UK continues with plenty of dry and bright weather across much of the UK through the weekend, however there will still be the odd shower around at first, especially towards the southeast. The mostly fine and dry weather is expected to continue through until the middle of September, however there is a risk that more unsettled conditions, with further spells of rain, could push into northwestern parts early next week. Temperatures on the whole will be slightly below average, although it will feel pleasantly warm in the sunny spells and light winds. Overnight temperatures throughout the period are likely to be on the chilly side, with a risk of localised rural frost and fog patches, mainly in the north.

UK Outlook for Sunday 13 Sep 2015 to Sunday 27 Sep 2015:

The generally settled and fine conditions are expected to continue across Southeastern parts of the UK through much of September, with plenty of dry and sunny weather, and only a low risk of short lived spells of cloud and rain. In contrast it is likely to remain on the unsettled side in the Northwest for the majority of the month, with occasional bouts of rain and strong winds likely. Temperatures will generally be around average in most parts, but feeling warm under any prolonged sunny periods in the Southeast by day, with some chilly nights in the North.

Updated at: 0202 on Sat 29 Aug 2015

Weather map

Sat 1400

Weather forecast map for Harpenden

Harpenden Harpenden – Cloudy 51.818 -0.3574
Milton Keynes Milton Keynes – Cloudy 52.0382 -0.7555
London London – Sunny intervals 51.5081 -0.1248
Cambridge Cambridge – Cloudy 52.2075 0.124
Reading Reading – Cloudy 51.4523 -0.9724
Banbury Banbury – Cloudy 52.0625 -1.3383
Rochester Rochester – Sunny intervals 51.3875 0.5084
Peterborough Peterborough – Cloudy 52.569 -0.2388
Swindon Swindon – Cloudy 51.5556 -1.7784
Ipswich Ipswich – Sunny intervals 52.0563 1.1499
Brighton Brighton – Cloudy 50.822 -0.1356
Southampton Southampton – Cloudy 50.9093 -1.403
Birmingham Birmingham – Cloudy 52.4859 -1.889
Boston Boston – Cloudy 52.9786 -0.0249
Nottingham Nottingham – Sunny intervals 52.9545 -1.1565
Dover Dover – Sunny intervals 51.1259 1.3179
Norwich Norwich – Sunny intervals 52.6305 1.2991
Lincoln Lincoln – Cloudy 53.2304 -0.539
Hereford Hereford – Cloudy 52.056 -2.7146
Stoke-on-Trent Stoke-on-Trent – Cloudy 53.0024 -2.178

Location Details

Harpenden

Location: 51.818, -0.3574

Altitude: 106m above mean sea level

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