Guernsey weather live forecast

Today's maximum temperature in Guernsey is expected to be 22°C. Select a day from the live weather forecast for Guernsey (St Peter Port) for more weather parameters.

Thursday
6th Aug
22

15

11

6
Friday
7th Aug
21

15

8

6
Saturday
8th Aug
24

15

8

6
Sunday
9th Aug
23

17

3

6
Monday
10th Aug
23

16

10

6

5-day weather forecast updated at 04:00 on Wednesday 5th August 2026 GMT

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Destination

The 5-day weather forecast for Guernsey, represented by St Peter Port, (St Peter Port) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Guernsey weather forecast by day

Below are the detailed weather forecasts for Guernsey for the next 5 days. The forecasts shown are for St Peter Port and may not represent the whole of Guernsey. Browse more destinations in Guernsey to view more weather forecasts.

Guernsey weather for Thursday 6th August 2026

Expect scattered clouds in Guernsey with a maximum temperature of 22°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the north-west.

22
°C maximum temperature
15
°C minimum temperature
scattered clouds
11
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
22
°C wind chill
22
kph wind from NW

Guernsey weather for Friday 7th August 2026

Expect scattered clouds in Guernsey with a maximum temperature of 21°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north.

21
°C maximum temperature
15
°C minimum temperature
scattered clouds
8
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
21
°C wind chill
13
kph wind from N

Guernsey weather for Saturday 8th August 2026

Expect broken clouds in Guernsey with a maximum temperature of 24°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the east.

24
°C maximum temperature
15
°C minimum temperature
broken clouds
8
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from E

Guernsey weather for Sunday 9th August 2026

Expect broken clouds in Guernsey with a maximum temperature of 23°C, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the west.

23
°C maximum temperature
17
°C minimum temperature
broken clouds
3
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
21
kph wind from W

Guernsey weather for Monday 10th August 2026

Expect scattered clouds in Guernsey with a maximum temperature of 23°C, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north-west.