St Peter Port weather live forecast

Today's maximum temperature in St Peter Port is expected to be 19°C. Select a day from the live weather forecast for St Peter Port, Guernsey for more weather parameters.

Saturday
19th Sep
19

16

6

4
Sunday
20th Sep
19

15

4

4
Monday
21st Sep
19

15

11

4
Tuesday
22nd Sep
20

16

11

4
Wednesday
23rd Sep
20

16

7

4

5-day weather forecast updated at 04:00 on Saturday 19th September 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.

St Peter Port weather forecast by day

Below are the detailed weather forecasts for St Peter Port for the next 5 days.

St Peter Port weather for Saturday 19th September 2026

Expect broken clouds in St Peter Port, Guernsey with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the south-west.

19
°C maximum temperature
16
°C minimum temperature
broken clouds
6
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
19
°C wind chill
27
kph wind from SW

St Peter Port weather for Sunday 20th September 2026

Expect broken clouds in St Peter Port, Guernsey with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the west.

19
°C maximum temperature
15
°C minimum temperature
broken clouds
4
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
19
°C wind chill
23
kph wind from W

St Peter Port weather for Monday 21st September 2026

Expect scattered clouds in St Peter Port, Guernsey with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the east.

19
°C maximum temperature
15
°C minimum temperature
scattered clouds
11
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
19
°C wind chill
11
kph wind from E

St Peter Port weather for Tuesday 22nd September 2026

Expect scattered clouds in St Peter Port, Guernsey with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the east.

20
°C maximum temperature
16
°C minimum temperature
scattered clouds
11
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
20
°C wind chill
14
kph wind from E

St Peter Port weather for Wednesday 23rd September 2026

Expect scattered clouds in St Peter Port, Guernsey with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.