BETA APP A beta version of the Met Office app is available. Find out more and apply to join.
St Sampson (Guernsey) weather
Find a forecast
Nearest forecast to your detected location
Forecast days
-
18° Maximum daytime temperature: 18° Celsius; 15° Minimum nighttime temperature: 15° Celsius;
Sunrise:
Sunset:
18° Maximum daytime temperature: 18° Celsius; 15° Minimum nighttime temperature: 15° Celsius; -
20° Maximum daytime temperature: 20° Celsius; 17° Minimum nighttime temperature: 17° Celsius;
Sunrise:
Sunset:
20° Maximum daytime temperature: 20° Celsius; 17° Minimum nighttime temperature: 17° Celsius; -
21° Maximum daytime temperature: 21° Celsius; 14° Minimum nighttime temperature: 14° Celsius;
Sunrise:
Sunset:
Overcast changing to sunny intervals in the afternoon.M UVL PollutionNo pollen data.First high tide: forPembroke Bay (Beach)21° Maximum daytime temperature: 21° Celsius; 14° Minimum nighttime temperature: 14° Celsius; -
19° Maximum daytime temperature: 19° Celsius; 14° Minimum nighttime temperature: 14° Celsius;
Sunrise:
Sunset:
Cloudy changing to sunny intervals by lunchtime.M UVL PollutionNo pollen data.First high tide: forPembroke Bay (Beach)19° Maximum daytime temperature: 19° Celsius; 14° Minimum nighttime temperature: 14° Celsius; -
18° Maximum daytime temperature: 18° Celsius; 13° Minimum nighttime temperature: 13° Celsius;
Sunrise:
Sunset:
Cloudy changing to sunny intervals by lunchtime.M UVL PollutionNo pollen data.First high tide: forPembroke Bay (Beach)18° Maximum daytime temperature: 18° Celsius; 13° Minimum nighttime temperature: 13° Celsius; -
16° Maximum daytime temperature: 16° Celsius; 13° Minimum nighttime temperature: 13° Celsius;
Sunrise:
Sunset:
Sunny intervals changing to cloudy by early evening.M UVNo pollution data.No pollen data.First high tide: forPembroke Bay (Beach)16° Maximum daytime temperature: 16° Celsius; 13° Minimum nighttime temperature: 13° Celsius; -
16° Maximum daytime temperature: 16° Celsius; 14° Minimum nighttime temperature: 14° Celsius;
Sunrise:
Sunset:
Sunny intervals changing to partly cloudy by early evening.M UVNo pollution data.No pollen data.First high tide: forPembroke Bay (Beach)16° Maximum daytime temperature: 16° Celsius; 14° Minimum nighttime temperature: 14° Celsius;
Cloudy.
M UV
L Pollution
No pollen data.
Next high tide: tomorrow for
Pembroke Bay (Beach)
Overcast.
M UV
L Pollution
No pollen data.
First high tide: for
Pembroke Bay (Beach)
Overcast changing to sunny intervals in the afternoon.
M UV
L Pollution
No pollen data.
First high tide: for
Pembroke Bay (Beach)
Cloudy changing to sunny intervals by lunchtime.
M UV
L Pollution
No pollen data.
First high tide: for
Pembroke Bay (Beach)
Cloudy changing to sunny intervals by lunchtime.
M UV
L Pollution
No pollen data.
First high tide: for
Pembroke Bay (Beach)
Sunny intervals changing to cloudy by early evening.
M UV
No pollution data.
No pollen data.
First high tide: for
Pembroke Bay (Beach)
Sunny intervals changing to partly cloudy by early evening.
M UV
No pollution data.
No pollen data.
First high tide: for
Pembroke Bay (Beach)
7 day forecast for St Sampson
Today (16 September 2025)
Time |
23:00
|
---|---|
Weather symbols | |
Chance of precipitation |
40%
|
Temperature (°C) |
16°
|
Feels like temperature (°C) |
15°
|
Wind direction and speed (mph) |
SW
10
|
Wind gust (mph) |
27
|
Visibility (description) |
E
|
Humidity |
79%
|
UV | - |
Wednesday (17 September 2025)
Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Weather symbols | ||||||||||||||||||||||||
Chance of precipitation |
50%
|
60%
|
20%
|
40%
|
20%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
Temperature (°C) |
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
17°
|
17°
|
18°
|
18°
|
19°
|
19°
|
19°
|
19°
|
19°
|
19°
|
19°
|
18°
|
18°
|
18°
|
18°
|
Feels like temperature (°C) |
14°
|
15°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
Wind direction and speed (mph) |
SW
10
|
SW
10
|
SW
10
|
SSW
11
|
SW
13
|
SSW
14
|
SW
14
|
SW
14
|
SW
15
|
SW
16
|
SW
17
|
SW
18
|
SW
18
|
SW
18
|
SW
18
|
SW
17
|
SW
16
|
SW
16
|
SW
15
|
SW
14
|
SW
13
|
SW
12
|
SW
12
|
SW
12
|
Wind gust (mph) |
26
|
27
|
28
|
30
|
32
|
33
|
33
|
34
|
32
|
33
|
33
|
32
|
31
|
30
|
28
|
27
|
27
|
26
|
25
|
25
|
25
|
25
|
25
|
24
|
Visibility (description) |
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
Humidity |
79%
|
81%
|
82%
|
82%
|
83%
|
83%
|
82%
|
80%
|
80%
|
78%
|
77%
|
76%
|
75%
|
75%
|
75%
|
75%
|
75%
|
77%
|
82%
|
84%
|
84%
|
85%
|
86%
|
88%
|
UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | - | - | - | - |
Thursday (18 September 2025)
Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Weather symbols | ||||||||||||||||||||||||
Chance of precipitation |
10%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
Temperature (°C) |
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
17°
|
17°
|
18°
|
18°
|
19°
|
19°
|
20°
|
20°
|
20°
|
20°
|
20°
|
19°
|
18°
|
17°
|
17°
|
16°
|
16°
|
Feels like temperature (°C) |
16°
|
16°
|
16°
|
17°
|
17°
|
17°
|
17°
|
16°
|
16°
|
16°
|
17°
|
17°
|
17°
|
18°
|
18°
|
19°
|
19°
|
19°
|
19°
|
18°
|
17°
|
17°
|
17°
|
16°
|
Wind direction and speed (mph) |
SW
11
|
SW
11
|
SW
11
|
SW
10
|
SW
10
|
SW
10
|
SW
10
|
SW
10
|
SW
10
|
SSW
11
|
SSW
12
|
SSW
13
|
SSW
13
|
SSW
12
|
SSW
10
|
SSW
9
|
SSW
7
|
SSW
6
|
SSW
6
|
S
5
|
SSW
4
|
SSE
3
|
S
3
|
SSW
3
|
Wind gust (mph) |
24
|
24
|
24
|
23
|
23
|
23
|
23
|
23
|
23
|
23
|
23
|
22
|
20
|
19
|
16
|
14
|
11
|
10
|
9
|
9
|
8
|
6
|
6
|
6
|
Visibility (description) |
E
|
E
|
E
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
VG
|
VG
|
VG
|
VG
|
VG
|
Humidity |
90%
|
91%
|
92%
|
92%
|
92%
|
92%
|
91%
|
91%
|
89%
|
87%
|
85%
|
83%
|
78%
|
76%
|
74%
|
74%
|
73%
|
74%
|
75%
|
84%
|
88%
|
89%
|
91%
|
92%
|
UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 3 | 4 | 4 | 3 | 3 | 2 | 1 | 1 | 1 | - | - | - | - |
Friday (19 September 2025)
Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Weather symbols | ||||||||||||||||||||||||
Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
Temperature (°C) |
16°
|
16°
|
16°
|
16°
|
16°
|
15°
|
15°
|
15°
|
16°
|
16°
|
17°
|
17°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
17°
|
16°
|
16°
|
16°
|
16°
|
Feels like temperature (°C) |
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
15°
|
15°
|
16°
|
16°
|
16°
|
17°
|
17°
|
17°
|
17°
|
17°
|
18°
|
18°
|
18°
|
17°
|
17°
|
16°
|
16°
|
16°
|
Wind direction and speed (mph) |
SSW
3
|
SSW
4
|
SSW
4
|
SSW
4
|
SSW
4
|
SW
4
|
SW
4
|
SSW
4
|
SW
4
|
SSW
6
|
SSW
7
|
SW
8
|
SW
8
|
WSW
8
|
SW
8
|
SSW
8
|
SSW
7
|
SW
6
|
SW
5
|
SSW
5
|
SSW
4
|
SSW
4
|
SSW
4
|
SSW
4
|
Wind gust (mph) |
6
|
7
|
7
|
7
|
7
|
7
|
7
|
8
|
11
|
11
|
12
|
13
|
13
|
12
|
11
|
10
|
10
|
9
|
8
|
8
|
8
|
7
|
8
|
10
|
Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
Humidity |
94%
|
94%
|
94%
|
94%
|
94%
|
94%
|
94%
|
93%
|
91%
|
86%
|
84%
|
83%
|
81%
|
79%
|
76%
|
77%
|
76%
|
79%
|
83%
|
88%
|
91%
|
91%
|
92%
|
92%
|
UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 3 | 4 | 4 | 3 | 2 | 1 | 1 | 1 | 1 | - | - | - | - |
Saturday (20 September 2025)
Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Weather symbols | ||||||||||||||||||||||||
Chance of precipitation |
10%
|
20%
|
20%
|
10%
|
10%
|
20%
|
30%
|
30%
|
30%
|
40%
|
50%
|
50%
|
40%
|
30%
|
20%
|
20%
|
20%
|
20%
|
20%
|
10%
|
10%
|
20%
|
30%
|
30%
|
Temperature (°C) |
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
15°
|
16°
|
16°
|
16°
|
16°
|
17°
|
17°
|
17°
|
17°
|
17°
|
16°
|
16°
|
15°
|
15°
|
15°
|
15°
|
Feels like temperature (°C) |
16°
|
16°
|
16°
|
16°
|
16°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
12°
|
Wind direction and speed (mph) |
SSW
5
|
SW
6
|
SW
6
|
SW
7
|
WSW
7
|
WSW
7
|
W
7
|
W
7
|
W
8
|
W
9
|
W
10
|
WNW
11
|
W
11
|
W
12
|
W
12
|
W
12
|
W
12
|
W
13
|
W
13
|
W
12
|
W
11
|
W
11
|
WNW
12
|
WNW
13
|
Wind gust (mph) |
11
|
12
|
14
|
15
|
17
|
17
|
17
|
17
|
17
|
17
|
17
|
19
|
19
|
16
|
17
|
17
|
22
|
24
|
24
|
25
|
25
|
24
|
26
|
26
|
Visibility (description) |
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
Humidity |
91%
|
92%
|
92%
|
92%
|
91%
|
92%
|
92%
|
92%
|
90%
|
88%
|
87%
|
84%
|
85%
|
83%
|
79%
|
75%
|
74%
|
73%
|
71%
|
76%
|
77%
|
76%
|
77%
|
77%
|
UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | - | - | - | - |
Sunday (21 September 2025)
Time |
00:00
|
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
---|---|---|---|---|---|---|---|---|---|
Weather symbols | |||||||||
Chance of precipitation |
30%
|
40%
|
40%
|
50%
|
50%
|
40%
|
40%
|
40%
|
40%
|
Temperature (°C) |
15°
|
15°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
Feels like temperature (°C) |
12°
|
12°
|
12°
|
11°
|
12°
|
12°
|
11°
|
11°
|
11°
|
Wind direction and speed (mph) |
WNW
13
|
WNW
13
|
WNW
13
|
NW
14
|
NNW
15
|
N
17
|
N
19
|
N
19
|
N
21
|
Wind gust (mph) |
27
|
25
|
23
|
22
|
20
|
22
|
20
|
29
|
32
|
Visibility (description) |
E
|
E
|
E
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
Humidity |
77%
|
76%
|
76%
|
78%
|
74%
|
74%
|
73%
|
73%
|
73%
|
UV | - | - | - | 1 | 3 | 4 | 2 | 1 | - |
Monday (22 September 2025)
Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
---|---|---|---|---|---|---|---|---|
Weather symbols | ||||||||
Chance of precipitation |
40%
|
40%
|
30%
|
20%
|
20%
|
20%
|
30%
|
20%
|
Temperature (°C) |
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
Feels like temperature (°C) |
10°
|
10°
|
10°
|
11°
|
11°
|
11°
|
11°
|
11°
|
Wind direction and speed (mph) |
NNE
21
|
NE
21
|
NE
21
|
NNE
21
|
NNE
22
|
NE
22
|
NE
22
|
NE
22
|
Wind gust (mph) |
30
|
29
|
29
|
30
|
28
|
25
|
26
|
29
|
Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
Humidity |
73%
|
72%
|
73%
|
73%
|
71%
|
67%
|
64%
|
64%
|
UV | - | - | 1 | 2 | 4 | 2 | 1 | - |
Tooltip header
UK video forecast
weather map
Forecast
Forecast for 23:00 (UTC+1), Tue
Updated 21:11 (UTC+1) on Tue 16 Sep 2025
Loading map...
Nearest forecasts
More from the Met Office
-
CAUSES OF CLIMATE CHANGE
Causes of climate change
Read -
WEATHER
2012 - a wet year
Read -
WEATHER
What is the Atlantic Meridional Overturning Circulation?
Read -
WEATHER
Northern lights
Read -
WEATHER
What is the difference between rain and showers?
Read -
SEASONAL ADVICE
3 tips for staying safe in lightning
Read