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Thunderstorms and heatwave conditions
Thunderstorm warnings continue across much of the UK until Monday, 17th August, with a risk of impacts from heavy rain, flash flooding, lightning and hail.
Read moreHigh Wycombe (Buckinghamshire) weather
Find a forecast
Forecast days
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Today. Maximum daytime temperature: 26 degrees Celsius; Minimum nighttime temperature: 18 degrees Celsius. Thunder changing to partly cloudy by nighttime. Sunrise: 05:46; Sunset: 20:29. UV: High; Pollution: Low; Pollen: Moderate.
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Friday 14 August. Maximum daytime temperature: 23 degrees Celsius; Minimum nighttime temperature: 18 degrees Celsius. Overcast changing to light showers in the afternoon. Sunrise: 05:47; Sunset: 20:27. UV: Moderate; Pollution: Low; Pollen: Moderate.
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Saturday 15 August. Maximum daytime temperature: 23 degrees Celsius; Minimum nighttime temperature: 17 degrees Celsius. Heavy showers changing to thunder showers by late morning. Sunrise: 05:49; Sunset: 20:25. UV: Moderate; Pollution: Low; Pollen: High.
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Sunday 16 August. Maximum daytime temperature: 24 degrees Celsius; Minimum nighttime temperature: 16 degrees Celsius. Overcast changing to light showers by lunchtime. Sunrise: 05:51; Sunset: 20:23. UV: Moderate; Pollution: Low; Pollen: Moderate.
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Monday 17 August. Maximum daytime temperature: 22 degrees Celsius; Minimum nighttime temperature: 15 degrees Celsius. Cloudy changing to sunny intervals by late morning. Sunrise: 05:52; Sunset: 20:21. UV: Moderate; Pollution: Low; Pollen: Moderate.
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Tuesday 18 August. Maximum daytime temperature: 23 degrees Celsius; Minimum nighttime temperature: 15 degrees Celsius. Cloudy changing to sunny intervals by late morning. Sunrise: 05:54; Sunset: 20:19. UV: Moderate;
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Wednesday 19 August. Maximum daytime temperature: 23 degrees Celsius; Minimum nighttime temperature: 16 degrees Celsius. Cloudy changing to light showers by lunchtime. Sunrise: 05:55; Sunset: 20:16. UV: Moderate;
Seven day forecast for High Wycombe
Today (13 August 2020)
| Time | Now | 19:00 | 20:00 | 21:00 | 22:00 | 23:00 |
|---|---|---|---|---|---|---|
| Weather symbol |
|
|
|
|
|
|
| Chance of precipitation | <5% | 60% | 70% | 40% | 10% | 10% |
| Temperature (°C) |
22°
|
21°
|
21°
|
21°
|
20°
|
19°
|
| Feels like temperature (°C) | 22° | 22° | 22° | 21° | 20° | 19° |
| Wind direction and speed (miles per hour) |
NNE
7
|
NNE
6
|
N
6
|
N
6
|
N
7
|
N
7
|
| Wind gust (miles per hour) | 13 | 10 | 10 | 12 | 13 | 14 |
| Visibility | M | M | M | M | G | G |
| Humidity | 79% | 80% | 87% | 88% | 90% | 90% |
| UV | 1 | 1 | 1 | - | - | - |
Friday (14 August 2020)
| 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 symbol |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation | <5% | <5% | 10% | 10% | 10% | 10% | 10% | 10% | 10% | 10% | 10% | 10% | 10% | 10% | 10% | 30% | 30% | 30% | 40% | 40% | 30% | 10% | 10% | 30% |
| Temperature (°C) |
19°
|
19°
|
19°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
19°
|
19°
|
20°
|
21°
|
22°
|
22°
|
22°
|
23°
|
23°
|
22°
|
22°
|
22°
|
21°
|
21°
|
20°
|
| Feels like temperature (°C) | 19° | 19° | 19° | 19° | 18° | 19° | 18° | 18° | 18° | 19° | 20° | 21° | 22° | 23° | 23° | 23° | 24° | 24° | 23° | 23° | 23° | 22° | 21° | 21° |
| Wind direction and speed (miles per hour) |
NNE
7
|
NNE
6
|
NNE
6
|
NNE
5
|
NNE
6
|
NNE
6
|
NNE
6
|
NNE
7
|
NNE
7
|
NNE
7
|
NNE
6
|
NNE
5
|
N
4
|
NNE
5
|
NNE
5
|
NNE
6
|
WNW
5
|
NNW
5
|
NNE
5
|
N
5
|
N
5
|
WNW
5
|
NNE
5
|
NNE
5
|
| Wind gust (miles per hour) | 14 | 12 | 11 | 10 | 11 | 10 | 11 | 11 | 11 | 11 | 10 | 9 | 7 | 8 | 8 | 9 | 8 | 8 | 8 | 8 | 9 | 10 | 10 | 9 |
| Visibility | G | G | G | M | M | M | M | M | G | G | G | G | G | G | G | G | G | G | G | G | G | G | G | G |
| Humidity | 90% | 91% | 92% | 93% | 94% | 94% | 94% | 94% | 92% | 90% | 88% | 84% | 79% | 76% | 75% | 75% | 74% | 76% | 78% | 80% | 82% | 85% | 89% | 91% |
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 3 | 3 | 4 | 3 | 3 | 3 | 2 | 1 | 1 | 1 | - | - | - |
Saturday (15 August 2020)
| Time | 00:00 | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|
| Weather symbol |
|
|
|
|
|
|
|
|
|
| Chance of precipitation | 30% | 40% | 40% | 60% | 60% | 40% | 40% | 60% | 10% |
| Temperature (°C) |
20°
|
19°
|
19°
|
18°
|
19°
|
21°
|
22°
|
21°
|
19°
|
| Feels like temperature (°C) | 20° | 20° | 19° | 19° | 20° | 22° | 23° | 21° | 19° |
| Wind direction and speed (miles per hour) |
N
5
|
NE
6
|
NE
6
|
NE
6
|
NE
6
|
N
7
|
NNW
7
|
NNE
7
|
NE
7
|
| Wind gust (miles per hour) | 10 | 11 | 10 | 11 | 11 | 13 | 14 | 14 | 14 |
| Visibility | G | G | M | M | M | G | G | G | G |
| Humidity | 93% | 94% | 96% | 96% | 92% | 83% | 79% | 81% | 89% |
| UV | - | - | - | 1 | 2 | 4 | 3 | 1 | - |
Sunday (16 August 2020)
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbol |
|
|
|
|
|
|
|
|
| Chance of precipitation | 10% | 10% | 20% | 10% | 30% | 20% | 40% | 40% |
| Temperature (°C) |
18°
|
17°
|
17°
|
19°
|
22°
|
22°
|
21°
|
19°
|
| Feels like temperature (°C) | 18° | 17° | 17° | 19° | 22° | 22° | 22° | 19° |
| Wind direction and speed (miles per hour) |
ENE
7
|
ENE
6
|
E
6
|
ESE
6
|
ESE
7
|
SE
7
|
S
5
|
ESE
5
|
| Wind gust (miles per hour) | 13 | 12 | 12 | 14 | 16 | 15 | 10 | 10 |
| Visibility | G | M | M | G | VG | G | VG | G |
| Humidity | 93% | 95% | 95% | 87% | 72% | 66% | 73% | 88% |
| UV | - | - | 1 | 3 | 5 | 3 | 1 | - |
Monday (17 August 2020)
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbol |
|
|
|
|
|
|
|
|
| Chance of precipitation | 20% | 40% | 20% | 20% | 40% | 40% | 40% | <5% |
| Temperature (°C) |
17°
|
16°
|
16°
|
18°
|
20°
|
21°
|
20°
|
17°
|
| Feels like temperature (°C) | 17° | 16° | 16° | 18° | 20° | 20° | 19° | 17° |
| Wind direction and speed (miles per hour) |
ESE
5
|
SSE
5
|
S
6
|
S
7
|
SSW
8
|
SSW
8
|
NNW
7
|
WNW
6
|
| Wind gust (miles per hour) | 10 | 10 | 12 | 16 | 18 | 18 | 14 | 12 |
| Visibility | G | G | G | G | VG | G | G | VG |
| Humidity | 93% | 96% | 96% | 83% | 76% | 71% | 76% | 89% |
| UV | - | - | 1 | 3 | 5 | 3 | 1 | - |
Tuesday (18 August 2020)
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbol |
|
|
|
|
|
|
|
|
| Chance of precipitation | <5% | <5% | 10% | 10% | 10% | 10% | 10% | <5% |
| Temperature (°C) |
16°
|
15°
|
16°
|
18°
|
21°
|
22°
|
21°
|
18°
|
| Feels like temperature (°C) | 16° | 15° | 15° | 18° | 20° | 21° | 21° | 18° |
| Wind direction and speed (miles per hour) |
NW
6
|
WNW
5
|
WNW
6
|
WSW
7
|
WSW
8
|
WNW
8
|
WNW
7
|
SW
6
|
| Wind gust (miles per hour) | 11 | 10 | 12 | 16 | 19 | 19 | 14 | 12 |
| Visibility | G | G | G | VG | G | VG | VG | VG |
| Humidity | 94% | 96% | 95% | 82% | 68% | 61% | 68% | 85% |
| UV | - | - | 1 | 3 | 5 | 3 | 1 | - |
Wednesday (19 August 2020)
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbol |
|
|
|
|
|
|
|
|
| Chance of precipitation | <5% | 10% | 10% | 10% | 30% | 10% | 10% | 10% |
| Temperature (°C) |
16°
|
16°
|
16°
|
19°
|
22°
|
22°
|
20°
|
18°
|
| Feels like temperature (°C) | 16° | 16° | 16° | 18° | 20° | 20° | 19° | 18° |
| Wind direction and speed (miles per hour) |
WSW
6
|
SW
6
|
S
6
|
S
8
|
SSW
10
|
SSW
11
|
S
9
|
S
8
|
| Wind gust (miles per hour) | 11 | 10 | 11 | 17 | 22 | 22 | 18 | 16 |
| Visibility | G | G | G | VG | VG | VG | VG | VG |
| Humidity | 92% | 94% | 95% | 82% | 68% | 66% | 74% | 84% |
| UV | - | - | 1 | 3 | 4 | 2 | 1 | - |
WARNING
Flood warnings
Flood alerts in force
for England.
London & South East England weather forecast
Headline:
Spells of hazy sunshine. Risk of thunderstorms Friday.
This Evening and Tonight:
Some evening sunshine is likely, but low cloud and mist will encroach inland overnight. A few showers or thunderstorms may persist in places, but many places dry. It will be another humid night for most with light winds. Minimum temperature 18 °C.
Friday:
Rather cloudy at times, but spells of hazy sunshine are likely to develop. Feeling very warm, locally hot in light winds. Heavy showers or severe thunderstorms may break out. Maximum temperature 30 °C.
Outlook for Saturday to Monday:
Rather cloudy, but with limited spells of hazy sunshine at times through the period. Further heavy, thundery showers are possible. Feeling warm or very warm and humid with light winds.
Updated:
UK long range weather forecast
The beginning of this period is likely to be generally unsettled, with showers and longer spells of rain at times. There is also a low chance that there could be some further thundery weather, although this would most likely be confined towards the southeast of the UK. It is likely to be windier than of late, especially in the west where there is also a risk of gales. Temperatures should start rather warm for many, despite the spells of unsettled weather. However, temperatures may cool slightly by the end of this period as the low pressure system, which was situated over the west of the UK, pushes towards the east and allows for a freshening breeze to develop from the northwest.
Updated:
Although confidence is low for this period, it is likely that conditions will become more changeable with settled days interspersed with periods of rain and strengthening winds, especially in the northwest. However, the east and southeast will perhaps remain slightly more settled throughout with temperatures around or above average. There is also a possibility for southern regions to turn very warm at times, with a potential for thunderstorms to develop.
Updated:
