Guernsey weather live forecast

Today's maximum temperature in Guernsey is expected to be 15°C. Select a day from the live weather forecast for Guernsey (St Peter Port) for more weather parameters.

Friday
16th Oct
15

12

5

2
Saturday
17th Oct
15

11

6

2
Sunday
18th Oct
13

11

4

2
Monday
19th Oct
15

10

0

2
Tuesday
20th Oct
15

11

6

0

5-day weather forecast updated at 04:00 on Thursday 15th 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.

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 16th October 2026

Expect sunshine and showers in Guernsey with a maximum temperature of 15°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 17% chance of some rain and a moderate breeze of 26 kph from the north.

15
°C maximum temperature
12
°C minimum temperature
sunshine and showers
5
hours of sunshine
2
UV index (Low)
17
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
26
kph wind from N

Guernsey weather for Saturday 17th October 2026

Expect broken clouds in Guernsey with a maximum temperature of 15°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the north-east.

15
°C maximum temperature
11
°C minimum temperature
broken clouds
6
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
15
°C wind chill
27
kph wind from NE

Guernsey weather for Sunday 18th October 2026

Expect mostly cloudy with light rain in Guernsey with a maximum temperature of 13°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 77% chance of some rain and a moderate breeze of 27 kph from the north-east.

13
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
2
UV index (Low)
77
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
27
kph wind from NE

Guernsey weather for Monday 19th October 2026

Expect mostly cloudy with rain in Guernsey with a maximum temperature of 15°C, maximum UV of 2 (Low) 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 north-east.

15
°C maximum temperature
10
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
2
UV index (Low)
62
% chance of some rain
<20
mm of rainfall expected
15
°C wind chill
27
kph wind from NE

Guernsey weather for Tuesday 20th October 2026

Expect broken clouds in Guernsey with a maximum temperature of 15°C and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south.