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.

Friday
31st Jul
22

17

14

6
Saturday
1st Aug
21

16

9

6
Sunday
2nd Aug
23

16

11

6
Monday
3rd Aug
24

17

4

6
Tuesday
4th Aug
24

17

7

6

5-day weather forecast updated at 04:00 on Friday 31st July 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 Friday 31st July 2026

Expect scattered clouds in Guernsey with a maximum temperature of 22°C, maximum UV of 6 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the north.

22
°C maximum temperature
17
°C minimum temperature
scattered clouds
14
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
22
kph wind from N

Guernsey weather for Saturday 1st August 2026

Expect scattered clouds in Guernsey with a maximum temperature of 21°C, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the north.

21
°C maximum temperature
16
°C minimum temperature
scattered clouds
9
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
21
°C wind chill
22
kph wind from N

Guernsey weather for Sunday 2nd August 2026

Expect scattered clouds in Guernsey with a maximum temperature of 23°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north-east.

23
°C maximum temperature
16
°C minimum temperature
scattered clouds
11
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
23
°C wind chill
19
kph wind from NE

Guernsey weather for Monday 3rd August 2026

Expect broken clouds in Guernsey with a maximum temperature of 24°C, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

24
°C maximum temperature
17
°C minimum temperature
broken clouds
4
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
24
°C wind chill
16
kph wind from NW

Guernsey weather for Tuesday 4th August 2026

Expect broken clouds in Guernsey with a maximum temperature of 24°C, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the west.