Guernsey weather live forecast

Today's maximum temperature in Guernsey is expected to be 14°C. Select a day from the live weather forecast for Guernsey (St Peter Port) for more weather parameters.

Friday
17th Apr
14

10

7

5
Saturday
18th Apr
12

9

10

4
Sunday
19th Apr
13

9

13

4
Monday
20th Apr
12

9

10

5
Tuesday
21st Apr
11

8

4

4

5-day weather forecast updated at 04:04 on Friday 17th April 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 17th April 2026

Expect broken clouds in Guernsey with a maximum temperature of 14°C, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-west.

14
°C maximum temperature
10
°C minimum temperature
broken clouds
7
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
18
kph wind from SW

Guernsey weather for Saturday 18th April 2026

Expect scattered clouds in Guernsey with a maximum temperature of 12°C, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north-west.

12
°C maximum temperature
9
°C minimum temperature
scattered clouds
10
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
17
kph wind from NW

Guernsey weather for Sunday 19th April 2026

Expect scattered clouds in Guernsey with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the north-east.

13
°C maximum temperature
9
°C minimum temperature
scattered clouds
13
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
21
kph wind from NE

Guernsey weather for Monday 20th April 2026

Expect scattered clouds in Guernsey with a maximum temperature of 12°C, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the east.

12
°C maximum temperature
9
°C minimum temperature
scattered clouds
10
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
25
kph wind from E

Guernsey weather for Tuesday 21st April 2026

Expect broken clouds in Guernsey with a maximum temperature of 11°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the east.