Guernsey weather live forecast

Today's maximum temperature in Guernsey is expected to be 28°C. Select a day from the live weather forecast for Guernsey (St Peter Port) for more weather parameters.

Thursday
9th Jul
28

17

9

7
Friday
10th Jul
28

20

12

7
Saturday
11th Jul
27

19

14

7
Sunday
12th Jul
26

18

11

7
Monday
13th Jul
26

19

2

7

5-day weather forecast updated at 04:00 on Thursday 9th 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 Thursday 9th July 2026

Expect scattered clouds in Guernsey with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north-east.

28
°C maximum temperature
17
°C minimum temperature
scattered clouds
9
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
18
kph wind from NE

Guernsey weather for Friday 10th July 2026

Expect scattered clouds in Guernsey with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north-east.

28
°C maximum temperature
20
°C minimum temperature
scattered clouds
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
23
kph wind from NE

Guernsey weather for Saturday 11th July 2026

Expect scattered clouds in Guernsey with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the north-east.

27
°C maximum temperature
19
°C minimum temperature
scattered clouds
14
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
29
kph wind from NE

Guernsey weather for Sunday 12th July 2026

Expect scattered clouds in Guernsey with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 33 kph from the north-east.

26
°C maximum temperature
18
°C minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
33
kph wind from NE

Guernsey weather for Monday 13th July 2026

Expect mostly cloudy with light rain in Guernsey with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 7 (High) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 36% chance of some rain and a fresh breeze of 34 kph from the north-east.