Guernsey weather live forecast

Today's maximum temperature in Guernsey is expected to be 18°C. Select a day from the live weather forecast for Guernsey (St Peter Port) for more weather parameters.

Thursday
1st Oct
18

15

6

3
Friday
2nd Oct
19

15

6

3
Saturday
3rd Oct
19

15

10

3
Sunday
4th Oct
19

15

4

3
Monday
5th Oct
18

15

7

3

5-day weather forecast updated at 04:00 on Thursday 1st October 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 1st October 2026

Expect broken clouds in Guernsey with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the west.

18
°C maximum temperature
15
°C minimum temperature
broken clouds
6
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
18
°C wind chill
23
kph wind from W

Guernsey weather for Friday 2nd October 2026

Expect scattered clouds in Guernsey with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south.

19
°C maximum temperature
15
°C minimum temperature
scattered clouds
6
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
19
°C wind chill
14
kph wind from S

Guernsey weather for Saturday 3rd October 2026

Expect scattered clouds in Guernsey with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north-west.

19
°C maximum temperature
15
°C minimum temperature
scattered clouds
10
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
10
kph wind from NW

Guernsey weather for Sunday 4th October 2026

Expect broken clouds in Guernsey with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north.

19
°C maximum temperature
15
°C minimum temperature
broken clouds
4
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
19
°C wind chill
12
kph wind from N

Guernsey weather for Monday 5th October 2026

Expect scattered clouds in Guernsey with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-east.