Guernsey weather live forecast

Today's maximum temperature in Guernsey is expected to be 27°C. Select a day from the live weather forecast for Guernsey (St Peter Port) for more weather parameters.

Thursday
28th May
27

17

5

6
Friday
29th May
22

17

1

6
Saturday
30th May
22

16

8

6
Sunday
31st May
22

17

5

5
Monday
1st Jun
22

16

0

5

5-day weather forecast updated at 04:00 on Thursday 28th May 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 28th May 2026

Expect broken clouds in Guernsey with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south.

27
°C maximum temperature
17
°C minimum temperature
broken clouds
5
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
13
kph wind from S

Guernsey weather for Friday 29th May 2026

Expect broken clouds in Guernsey with a maximum temperature of 22°C, maximum UV of 6 (High) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north.

22
°C maximum temperature
17
°C minimum temperature
broken clouds
1
hour of sunshine
6
UV index (High)
0
mm of rainfall expected
22
°C wind chill
14
kph wind from N

Guernsey weather for Saturday 30th May 2026

Expect scattered clouds in Guernsey with a maximum temperature of 22°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the north.

22
°C maximum temperature
16
°C minimum temperature
scattered clouds
8
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
22
°C wind chill
21
kph wind from N

Guernsey weather for Sunday 31st May 2026

Expect broken clouds in Guernsey with a maximum temperature of 22°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the west.

22
°C maximum temperature
17
°C minimum temperature
broken clouds
5
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
22
°C wind chill
19
kph wind from W

Guernsey weather for Monday 1st June 2026

Expect mostly cloudy with rain in Guernsey with a maximum temperature of 22°C, maximum UV of 5 (Moderate) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 59% chance of some rain and a moderate breeze of 26 kph from the south-west.