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Amersham

Amersham last 24 hours
  • 20°C 12°C
    Sunny intervals
  • 18°C 12°C
    Light rain
  • 18°C 13°C
    Light shower day
  • 20°C 13°C
    Cloudy
  • 21°C 13°C
    Cloudy
  • 21°C 15°C
    Cloudy
  • 19°C 12°C
    Cloudy
Friday   (21 July 2017)
1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny day Cloudy Light rain Heavy rain Heavy rain
Temperature (°C)
19 20 20 20 19 19 18 17 16 15
Feels like temperature (°C) arrow down
15 15 16 16 16 16 16 15 14 14
Precipitation probability arrow down
<5% <5% <5% <5% <5% <5% 20% 60% 90% 90%
Wind direction, speed & gust (mph) arrow down
S 18 29 S 17 29 S 16 27 SSE 15 26 SSE 15 26 SSE 14 25 SSE 13 24 SSE 12 24 SSE 13 26 SSE 11 22
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 VG G
Humidity arrow down
58% 57% 57% 56% 59% 60% 62% 68% 77% 87%
UV index arrow down
5 4 3 3 2 1 1 1 0 0
Saturday   (22 July 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
Heavy rain Heavy rain Heavy rain Cloudy Cloudy Partly cloudy night Sunny intervals Cloudy Sunny day Sunny day Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Heavy rain Light rain Light shower day Light shower day Light rain Overcast Cloudy Cloudy Cloudy
Temperature (°C)
15 14 14 14 13 13 13 13 14 15 16 17 17 17 18 15 15 15 14 14 13 13 13 13
Feels like temperature (°C) arrow down
13 13 13 13 13 12 12 12 13 14 15 15 15 15 15 13 13 13 13 12 12 12 12 12
Precipitation probability arrow down
90% 90% 80% 10% 10% <5% <5% <5% <5% <5% <5% <5% 10% 10% 10% 80% 50% 40% 40% 50% 10% 10% 10% 10%
Wind direction, speed & gust (mph) arrow down
SSE 11 22 S 9 18 S 9 18 SSW 6 13 SSW 6 12 S 5 11 S 4 10 S 6 11 S 7 12 SSW 8 14 S 8 14 S 9 17 S 11 19 S 12 21 S 12 21 SSW 11 21 SSW 11 19 S 10 18 S 9 16 S 8 14 S 7 12 S 5 10 SSE 5 11 SSE 5 10
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
M M VG VG VG G G G G VG VG VG VG VG VG G G G G VG VG G G G
Humidity arrow down
92% 93% 94% 95% 95% 96% 96% 92% 86% 78% 69% 64% 61% 61% 61% 75% 75% 75% 78% 83% 83% 86% 87% 88%
UV index arrow down
0 0 0 0 0 0 1 1 2 3 4 4 4 5 4 3 2 2 1 1 1 1 0 0
Sunday   (23 July 2017)
0000 0100 0400 0700 1000 1300 1600 1900 2200
Partly cloudy night Cloudy Cloudy Sunny intervals Cloudy Cloudy Light shower day Light shower day Cloudy
Temperature (°C)
13 13 12 12 15 18 18 16 14
Feels like temperature (°C) arrow down
12 12 12 11 14 16 16 15 13
Precipitation probability arrow down
10% 10% 10% 10% 10% 20% 50% 40% 10%
Wind direction, speed & gust (mph) arrow down
SSE 4 8 SE 3 7 W 3 7 WNW 7 13 WNW 9 18 W 10 20 W 9 19 W 8 16 W 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 G
Humidity arrow down
90% 91% 95% 91% 74% 58% 62% 77% 88%
UV index arrow down
0 0 0 1 4 5 3 1 0
Monday   (24 July 2017)
0100 0400 0700 1000 1300 1600 1900 2200
Partly cloudy night Partly cloudy night Overcast Cloudy Cloudy Cloudy Sunny day Clear night
Temperature (°C)
13 13 14 15 18 20 19 16
Feels like temperature (°C) arrow down
12 11 12 13 15 17 18 15
Precipitation probability arrow down
10% 10% 20% 10% 10% 10% 10% <5%
Wind direction, speed & gust (mph) arrow down
WNW 9 15 NW 10 17 NNW 11 21 NNW 15 28 NNW 15 28 NNW 14 28 NNW 9 17 NW 8 14
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG G G G VG VG VG VG
Humidity arrow down
93% 95% 93% 84% 70% 59% 62% 81%
UV index arrow down
0 0 1 3 5 4 1 0
Tuesday   (25 July 2017)
0100 0400 0700 1000 1300 1600 1900 2200
Clear night Clear night Sunny day Sunny intervals Cloudy Cloudy Sunny intervals Partly cloudy night
Temperature (°C)
14 13 14 17 20 21 20 16
Feels like temperature (°C) arrow down
14 12 13 16 19 19 19 16
Precipitation probability arrow down
<5% <5% <5% <5% 10% 10% 10% <5%
Wind direction, speed & gust (mph) arrow down
NW 6 11 NW 7 12 WNW 7 14 WNW 8 17 WNW 9 19 NW 9 19 NW 7 14 NW 6 10
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
Humidity arrow down
89% 92% 88% 74% 61% 59% 65% 82%
UV index arrow down
0 0 1 4 6 4 1 0
Wednesday   (26 July 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)
15 13 14 17 20 20 18 16
Feels like temperature (°C) arrow down
14 13 13 17 18 18 16 15
Precipitation probability arrow down
<5% <5% 10% 10% 20% 20% 20% 40%
Wind direction, speed & gust (mph) arrow down
NW 6 11 WNW 6 10 W 6 12 WSW 7 15 WSW 10 22 WSW 12 23 SW 11 21 SW 12 22
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG G VG VG VG VG G M
Humidity arrow down
86% 95% 90% 73% 67% 70% 82% 93%
UV index arrow down
0 0 1 4 5 3 1 0
Thursday   (27 July 2017)
0100 0400 0700 1000 1300 1600 1900 2200
Light rain Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
Temperature (°C)
16 15 15 16 18 18 17 15
Feels like temperature (°C) arrow down
14 14 14 15 15 15 14 12
Precipitation probability arrow down
50% 50% 20% 20% 20% 10% 10% 10%
Wind direction, speed & gust (mph) arrow down
SW 13 22 SW 12 21 WSW 12 21 W 12 23 W 13 25 WSW 13 26 W 13 25 WSW 12 22
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
P G G VG VG VG VG VG
Humidity arrow down
95% 95% 94% 80% 66% 63% 64% 73%
UV index arrow down
0 0 1 3 5 3 1 0
More Detail chevron down

Issued at: 1300 on Fri 21 Jul 2017

Forecast summary

Regional forecast for London & South East England

Some sunny spells, rain in the west later.

Today:

Some sunny spells through the day, although cloud may be thick enough to give some light rain in the west of the region, and with some more general rain likely here by evening. Becoming windy, especially around the channel coasts. Maximum Temperature 23 °C.

Tonight:

Outbreaks of rain in the west, heavy at times, will clear northeast across the region overnight, followed by clear spells and the odd shower. Minimum Temperature 12 °C.

Saturday:

A day of bright or sunny intervals and occasional showers, some of which may be heavy and thundery, especially in the afternoon. Maximum Temperature 22 °C.

Outlook for Sunday to Tuesday:

Sunny intervals and showers on Sunday, heavy and perhaps thundery in places. Further rain or showers on Monday, then sunny intervals and a scattering of showers on Tuesday.

Updated at: 0403 on Fri 21 Jul 2017

UK forecast for the next 5 days

Wet and windy in the west. Sunny in the east.

Today:

A band of heavy and persistent rain will affect the west and southwest from dawn, with the risk of thunder and coastal gales. It will edge slowly eastwards, however eastern parts will be bright with scattered showers.

Tonight:

The rain band will slowly move across western and central parts tonight, still with some heavy outbreaks. Heavy showers in the southwest later, but for many it will become dry.

Saturday:

There will be sunshine and scattered showers for many on Saturday, with the risk of hail and thunder. The far north will stay dry, with the best of the sunshine.

Outlook for Sunday to Tuesday:

Further thundery showers are likely on Sunday. Monday and Tuesday will then be mostly dry and bright, perhaps with some showers in central and eastern parts.

Updated at: 0353 on Fri 21 Jul 2017

Outlook for the UK over the next 6-30 days

UK Outlook for Wednesday 26 Jul 2017 to Friday 4 Aug 2017:

Generally unsettled throughout the remainder of July and into the start of August with spells of rain and strong winds crossing the country from west to east. The rain will be heavy at times, particularly in the northwest and here there is also the chance of gales at times too. In between there will be some drier and brighter spells, however there will be also be a scattering of heavy showers, again these most frequent and heaviest in the northwest. The chance of any longer drier and more settled spells is limited and only the southeast of the country is likely to be drier overall. On the whole temperatures will be close to or slightly below normal for the time of year, with the coolest temperatures likely in the west.

Updated at: 1256 on Fri 21 Jul 2017

UK Outlook for Saturday 5 Aug 2017 to Saturday 19 Aug 2017:

There is low confidence in the forecast during August. At first we are likely to see a continuation of changeable weather with further showers or longer spells of rain, accompanied by some spells of stronger winds. Southern and eastern parts will perhaps become drier and more settled at times. However, after a rather cool start to the month, temperatures are likely to recover and become closer to average or slightly above as we head through the month.

Updated at: 1256 on Fri 21 Jul 2017