St Peter Port weather live forecast

Today's maximum temperature in St Peter Port is expected to be 13°C. Select a day from the live weather forecast for St Peter Port, Guernsey for more weather parameters.

Wednesday
21st Oct
13

12

3

2
Thursday
22nd Oct
15

13

1

1
Friday
23rd Oct
13

11

1

2
Saturday
24th Oct
15

12

0

0
Sunday
25th Oct
15

12

6

2

5-day weather forecast updated at 04:00 on Wednesday 21st October 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 Wednesday 21st October 2026

Expect mostly cloudy with rain in St Peter Port, Guernsey with a maximum temperature of 13°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 89% chance of some rain and a strong breeze of 48 kph from the west.

13
°C maximum temperature
12
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
2
UV index (Low)
89
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
48
kph wind from W

St Peter Port weather for Thursday 22nd October 2026

Expect isolated thunderstorms in St Peter Port, Guernsey with a maximum temperature of 15°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 100% chance of some rain and a strong breeze of 48 kph from the south.

15
°C maximum temperature
13
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
1
UV index (Low)
100
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
48
kph wind from S

St Peter Port weather for Friday 23rd October 2026

Expect isolated thunderstorms in St Peter Port, Guernsey with a maximum temperature of 13°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 90% chance of some rain and a fresh gale of 64 kph from the north-west.

13
°C maximum temperature
11
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
2
UV index (Low)
90
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
64
kph wind from NW

St Peter Port weather for Saturday 24th October 2026

Expect overcast with light rain in St Peter Port, Guernsey with a maximum temperature of 15°C and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 94% chance of some rain and a strong breeze of 43 kph from the west.

15
°C maximum temperature
12
°C minimum temperature
overcast with light rain
0
hours of sunshine
0
UV index (None)
94
% chance of some rain
<20
mm of rainfall expected
15
°C wind chill
43
kph wind from W

St Peter Port weather for Sunday 25th October 2026

Expect sunshine and showers in St Peter Port, Guernsey with a maximum temperature of 15°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 59% chance of some rain and a strong breeze of 44 kph from the west.