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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 morePolesden Lacey (Surrey) weather
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Forecast days
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Today. Maximum daytime temperature: 20 degrees Celsius; Minimum nighttime temperature: 17 degrees Celsius. Overcast changing to thunder by lunchtime. Sunrise: 05:49; Sunset: 20:22. UV: Moderate; Pollution: Low; Pollen: Moderate.
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Sunday 16 August. Maximum daytime temperature: 22 degrees Celsius; Minimum nighttime temperature: 16 degrees Celsius. Cloudy changing to thunder by lunchtime. Sunrise: 05:50; Sunset: 20:20. UV: Moderate; Pollution: Low; Pollen: Moderate.
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Monday 17 August. Maximum daytime temperature: 20 degrees Celsius; Minimum nighttime temperature: 15 degrees Celsius. Light showers changing to clear by nighttime. Sunrise: 05:52; Sunset: 20:18. UV: Moderate; Pollution: Low; Pollen: Moderate.
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Tuesday 18 August. Maximum daytime temperature: 21 degrees Celsius; Minimum nighttime temperature: 14 degrees Celsius. Cloudy changing to sunny intervals by late morning. Sunrise: 05:53; Sunset: 20:16. UV: Moderate; Pollution: Low; Pollen: Moderate.
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Wednesday 19 August. Maximum daytime temperature: 21 degrees Celsius; Minimum nighttime temperature: 16 degrees Celsius. Cloudy. Sunrise: 05:55; Sunset: 20:14. UV: Moderate; No pollen data.
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Thursday 20 August. Maximum daytime temperature: 21 degrees Celsius; Minimum nighttime temperature: 15 degrees Celsius. Sunny intervals changing to light showers by late morning. Sunrise: 05:56; Sunset: 20:12. UV: Moderate;
Six day forecast for Polesden Lacey
Today (15 August 2020)
| Time | Now | 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 |
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|
|
|
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|
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|
| Chance of precipitation | 20% | 50% | 40% | 50% | 20% | 20% | 20% | 20% | 20% | 20% | 20% | 20% | 40% | 70% | 60% | 10% | 10% | 10% | 30% | 30% | 40% | 10% | 10% | 10% |
| Temperature (°C) |
18°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
18°
|
18°
|
18°
|
19°
|
19°
|
19°
|
19°
|
20°
|
20°
|
20°
|
20°
|
19°
|
19°
|
18°
|
18°
|
| Feels like temperature (°C) | 18° | 18° | 18° | 17° | 17° | 18° | 18° | 18° | 18° | 18° | 18° | 19° | 19° | 20° | 20° | 20° | 21° | 21° | 21° | 21° | 20° | 20° | 20° | 19° |
| Wind direction and speed (miles per hour) |
N
4
|
NNW
4
|
N
5
|
N
5
|
N
5
|
NNW
4
|
NW
4
|
NW
3
|
WNW
3
|
W
3
|
ENE
4
|
ENE
5
|
ENE
5
|
E
4
|
ESE
4
|
WNW
5
|
NW
5
|
SW
5
|
SW
5
|
S
4
|
SSW
4
|
S
4
|
S
3
|
SSE
3
|
| Wind gust (miles per hour) | 11 | 7 | 8 | 8 | 7 | 6 | 6 | 5 | 5 | 6 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 6 | 7 | 6 | 5 | 6 |
| Visibility | G | M | G | M | M | VP | M | M | M | M | P | M | M | M | M | M | M | M | M | M | M | M | M | M |
| Humidity | 97% | 97% | 98% | 98% | 99% | 99% | 99% | 99% | 99% | 97% | 96% | 94% | 93% | 92% | 90% | 90% | 88% | 89% | 90% | 90% | 92% | 94% | 95% | 95% |
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 3 | 4 | 4 | 4 | 3 | 3 | 2 | 1 | 1 | 1 | - | - | - |
Sunday (16 August 2020)
| Time | 00:00 | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|
| Weather symbol |
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|
| Chance of precipitation | <5% | 10% | 10% | 10% | 10% | 60% | 60% | 30% | 10% |
| Temperature (°C) |
18°
|
18°
|
17°
|
17°
|
19°
|
21°
|
20°
|
20°
|
18°
|
| Feels like temperature (°C) | 19° | 19° | 18° | 17° | 20° | 22° | 21° | 21° | 18° |
| Wind direction and speed (miles per hour) |
SE
4
|
SE
3
|
ESE
5
|
ESE
5
|
ESE
4
|
SE
4
|
N
4
|
S
4
|
SSW
5
|
| Wind gust (miles per hour) | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 8 | 10 |
| Visibility | M | M | M | M | G | G | G | VG | G |
| Humidity | 95% | 96% | 98% | 97% | 85% | 73% | 79% | 80% | 90% |
| UV | - | - | - | 1 | 3 | 4 | 2 | 1 | - |
Monday (17 August 2020)
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbol |
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|
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|
| Chance of precipitation | 40% | 10% | 40% | 40% | 60% | 60% | 40% | <5% |
| Temperature (°C) |
17°
|
16°
|
16°
|
18°
|
19°
|
19°
|
18°
|
16°
|
| Feels like temperature (°C) | 17° | 16° | 16° | 18° | 18° | 18° | 17° | 16° |
| Wind direction and speed (miles per hour) |
S
5
|
SSW
5
|
S
6
|
SSW
7
|
SSW
10
|
SW
11
|
SW
10
|
SSW
8
|
| Wind gust (miles per hour) | 9 | 9 | 11 | 15 | 21 | 21 | 18 | 15 |
| Visibility | G | G | G | G | G | G | VG | VG |
| Humidity | 93% | 97% | 96% | 88% | 81% | 80% | 82% | 91% |
| UV | - | - | 1 | 3 | 4 | 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 | 10% | 10% | 10% | 10% | 40% | 40% | 30% | <5% |
| Temperature (°C) |
15°
|
15°
|
15°
|
18°
|
20°
|
21°
|
19°
|
17°
|
| Feels like temperature (°C) | 15° | 15° | 15° | 17° | 18° | 18° | 18° | 16° |
| Wind direction and speed (miles per hour) |
SW
8
|
SW
8
|
SSW
8
|
SW
10
|
SW
11
|
SW
13
|
SW
10
|
SW
9
|
| Wind gust (miles per hour) | 14 | 14 | 14 | 20 | 23 | 25 | 19 | 16 |
| Visibility | G | G | G | VG | G | G | G | G |
| Humidity | 96% | 95% | 95% | 80% | 70% | 67% | 76% | 89% |
| 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% | <5% | 10% | 10% | 10% | 10% | 10% | 10% |
| Temperature (°C) |
15°
|
15°
|
15°
|
18°
|
21°
|
21°
|
19°
|
17°
|
| Feels like temperature (°C) | 15° | 14° | 14° | 17° | 19° | 18° | 17° | 16° |
| Wind direction and speed (miles per hour) |
SW
8
|
SW
7
|
SW
7
|
SW
9
|
SSW
11
|
SSW
12
|
S
11
|
SSE
10
|
| Wind gust (miles per hour) | 14 | 12 | 13 | 18 | 23 | 25 | 21 | 18 |
| Visibility | G | G | G | G | VG | VG | VG | M |
| Humidity | 94% | 96% | 95% | 79% | 67% | 65% | 77% | 90% |
| UV | - | - | 1 | 3 | 5 | 3 | 1 | - |
Thursday (20 August 2020)
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbol |
|
|
|
|
|
|
|
|
| Chance of precipitation | 40% | 20% | 20% | 40% | 20% | 10% | 10% | 10% |
| Temperature (°C) |
16°
|
16°
|
17°
|
19°
|
20°
|
20°
|
19°
|
17°
|
| Feels like temperature (°C) | 15° | 15° | 16° | 17° | 17° | 17° | 16° | 15° |
| Wind direction and speed (miles per hour) |
SSE
13
|
SSE
13
|
S
13
|
SSW
14
|
SSW
16
|
SSW
16
|
SSW
13
|
SSW
12
|
| Wind gust (miles per hour) | 22 | 23 | 23 | 26 | 31 | 30 | 25 | 22 |
| Visibility | M | G | G | G | VG | VG | VG | VG |
| Humidity | 92% | 93% | 94% | 86% | 66% | 65% | 71% | 83% |
| UV | - | - | 1 | 3 | 5 | 3 | 1 | - |
WARNING
Flood warnings
Flood alerts in force
for England.
London & South East England weather forecast
Headline:
Risk of heavy showers and thunderstorms overnight.
This Evening and Tonight:
Heavy showers and thunderstorms are expected to continue through the evening and overnight, Generally overcast through much of the night, especially toward the east coast. Feeling warm and humid. Minimum temperature 16 °C.
Saturday:
Cloud breaking during the morning to give some bright or sunny spells. Scattered heavy showers and thunderstorms are expected throughout and it will feel humid. Maximum temperature 26 °C.
Outlook for Sunday to Tuesday:
Generally cloudy Sunday and Monday with heavy showers or thunderstorms likely, these locally severe. Brighter Tuesday with further thundery showers. Less hot than of late, but still warm and humid.
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, potentially becoming heavy in places. There is also a chance that there could be some further thundery weather, although this would most likely be confined towards the east and southeast of the UK. It is likely to be windier than of late, especially in the south and 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 with freshening winds from the northwest likely to create a more widespread risk of gales.
Updated:
Although confidence is low for this period, it is likely that conditions will become more changeable with drier and brighter days interspersed with periods of rain and strengthening winds. Temperatures should be around the average for this time of year. Towards the end of this period, there are some tentative signs that high pressure could begin to dominate, especially across the south of the UK, with a return to more settled conditions.
Updated:
