St Peter Port weather live forecast

Today's maximum temperature in St Peter Port is expected to be 11°C. Select a day from the live weather forecast for St Peter Port, Guernsey for more weather parameters.

Wednesday
17th Dec
11

6

0

0
Thursday
18th Dec
14

11

0

0
Friday
19th Dec
12

10

4

0
Saturday
20th Dec
11

9

2

1
Sunday
21st Dec
10

9

0

0

5-day weather forecast updated at 04:00 on Wednesday 17th December 2025 GMT

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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 Wednesday 17th December 2025

Expect mostly cloudy with light rain in St Peter Port, Guernsey with a maximum temperature of 11°C and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 92% chance of some rain and a fresh breeze of 38 kph from the south.

11
°C maximum temperature
6
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
92
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
38
kph wind from S

St Peter Port weather for Thursday 18th December 2025

Expect cloudy with some rain in St Peter Port, Guernsey with a maximum temperature of 14°C and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 88% chance of some rain and a strong breeze of 47 kph from the south.

14
°C maximum temperature
11
°C minimum temperature
cloudy with some rain
0
hours of sunshine
0
UV index (None)
88
% chance of some rain
<20
mm of rainfall expected
14
°C wind chill
47
kph wind from S

St Peter Port weather for Friday 19th December 2025

Expect broken clouds in St Peter Port, Guernsey with a maximum temperature of 12°C and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the west.

12
°C maximum temperature
10
°C minimum temperature
broken clouds
4
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
0
no heat & humidity
23
kph wind from W

St Peter Port weather for Saturday 20th December 2025

Expect mostly cloudy with rain in St Peter Port, Guernsey with a maximum temperature of 11°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 58% chance of some rain and a fresh breeze of 32 kph from the south.

11
°C maximum temperature
9
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
1
UV index (Low)
58
% chance of some rain
<10
mm of rainfall expected
11
°C wind chill
32
kph wind from S

St Peter Port weather for Sunday 21st December 2025

Expect mostly cloudy with rain in St Peter Port, Guernsey with a maximum temperature of 10°C and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 62% chance of some rain and a moderate breeze of 27 kph from the south.