St Peter Port (Guernsey) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 15° Celsius; -
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 14° Celsius;
-
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 12° Celsius;
-
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 11° Celsius; -
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 12° Celsius;
-
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 13° Celsius;
-
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 14° Celsius;
Partly cloudy.
Sunrise:
Sunset:
M UV
L Pollution
No pollen data.
Next low tide: for
Saints Bay (Beach)
7 day forecast for St Peter Port
Today (18 September 2025)
| Time |
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|
| Weather symbols |  |
|
|
 |
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature |
17°
|
17°
|
16°
|
16°
|
| Feels like temperature (°C) |
18°
|
17°
|
17°
|
17°
|
| Wind direction and speed |
SSE
5
|
SSE
5
|
SSE
5
|
SSE
5
|
| Wind gust (mph) |
9
|
9
|
9
|
9
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
| Humidity |
92%
|
93%
|
93%
|
93%
|
| UV | - | - | - | - |
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%
|
10%
|
<5%
|
10%
|
10%
|
<5%
|
<5%
|
| Temperature (°C) |
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
17°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
17°
|
16°
|
16°
|
16°
|
16°
|
16°
|
| Feels like temperature (°C) |
16°
|
16°
|
16°
|
16°
|
15°
|
15°
|
15°
|
15°
|
16°
|
17°
|
17°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
17°
|
17°
|
16°
|
16°
|
15°
|
15°
|
15°
|
| Wind direction and speed (mph) |
SSE
5
|
SE
6
|
SSE
7
|
SSE
8
|
S
8
|
S
8
|
S
7
|
SSW
6
|
SW
6
|
SW
6
|
SSW
6
|
SW
7
|
SSW
7
|
SW
8
|
WSW
8
|
WSW
8
|
W
7
|
WNW
6
|
NNW
6
|
NNE
5
|
ENE
5
|
ENE
5
|
ESE
5
|
SE
6
|
| Wind gust (mph) |
10
|
11
|
12
|
10
|
10
|
10
|
10
|
10
|
9
|
10
|
10
|
10
|
10
|
10
|
11
|
10
|
9
|
8
|
8
|
6
|
7
|
8
|
8
|
8
|
| 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%
|
93%
|
94%
|
94%
|
93%
|
93%
|
92%
|
92%
|
91%
|
90%
|
89%
|
88%
|
88%
|
87%
|
88%
|
87%
|
86%
|
86%
|
87%
|
87%
|
88%
|
89%
|
90%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 4 | 4 | 4 | 4 | 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 |
<5%
|
10%
|
10%
|
10%
|
20%
|
10%
|
10%
|
10%
|
20%
|
20%
|
30%
|
30%
|
30%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
20%
|
| Temperature (°C) |
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
17°
|
17°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
17°
|
17°
|
16°
|
15°
|
15°
|
15°
|
15°
|
| Feels like temperature (°C) |
15°
|
16°
|
16°
|
16°
|
15°
|
15°
|
15°
|
15°
|
14°
|
15°
|
14°
|
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
12°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
| Wind direction and speed (mph) |
S
6
|
SSW
5
|
SW
6
|
SW
6
|
WSW
6
|
WSW
7
|
SSW
8
|
S
10
|
SSW
12
|
SSW
14
|
SSW
16
|
SSW
19
|
SSW
20
|
SSW
21
|
SW
23
|
SW
25
|
WSW
25
|
WSW
26
|
WSW
26
|
WSW
26
|
WSW
25
|
WSW
25
|
WSW
24
|
WSW
23
|
| Wind gust (mph) |
9
|
10
|
10
|
10
|
10
|
12
|
13
|
16
|
17
|
19
|
23
|
24
|
24
|
28
|
34
|
35
|
36
|
40
|
38
|
36
|
34
|
33
|
33
|
33
|
| Visibility (description) |
VG
|
VG
|
VG
|
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%
|
91%
|
91%
|
90%
|
88%
|
89%
|
88%
|
87%
|
86%
|
86%
|
85%
|
84%
|
82%
|
79%
|
77%
|
75%
|
72%
|
72%
|
73%
|
71%
|
70%
|
71%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 3 | 3 | 4 | 4 | 3 | 2 | 1 | 1 | 1 | - | - | - | - |
Sunday (21 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 |
30%
|
40%
|
50%
|
50%
|
50%
|
50%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
50%
|
50%
|
50%
|
60%
|
70%
|
60%
|
60%
|
60%
|
| Temperature (°C) |
15°
|
15°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
13°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
13°
|
13°
|
13°
|
13°
|
13°
|
| Feels like temperature (°C) |
11°
|
11°
|
11°
|
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
11°
|
11°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
9°
|
| Wind direction and speed (mph) |
WSW
22
|
WSW
22
|
W
20
|
W
19
|
W
17
|
W
16
|
W
16
|
W
16
|
WNW
15
|
WNW
15
|
WNW
15
|
NW
15
|
WNW
15
|
WNW
15
|
NW
15
|
NW
15
|
NW
15
|
NNW
15
|
NNW
16
|
NNW
16
|
NNW
16
|
N
17
|
N
17
|
N
18
|
| Wind gust (mph) |
32
|
32
|
30
|
28
|
26
|
26
|
25
|
22
|
21
|
20
|
17
|
19
|
19
|
21
|
21
|
22
|
22
|
23
|
24
|
25
|
26
|
24
|
24
|
26
|
| 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 |
71%
|
73%
|
71%
|
71%
|
73%
|
70%
|
69%
|
68%
|
69%
|
69%
|
68%
|
69%
|
68%
|
70%
|
69%
|
70%
|
68%
|
68%
|
69%
|
67%
|
68%
|
67%
|
70%
|
68%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 4 | 4 | 4 | 4 | 3 | 2 | 1 | 1 | 1 | - | - | - | - |
Monday (22 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 |
60%
|
60%
|
60%
|
60%
|
50%
|
50%
|
40%
|
40%
|
30%
|
40%
|
40%
|
30%
|
30%
|
40%
|
40%
|
30%
|
40%
|
40%
|
40%
|
40%
|
40%
|
30%
|
30%
|
30%
|
| Temperature (°C) |
13°
|
13°
|
13°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
13°
|
13°
|
13°
|
14°
|
14°
|
14°
|
15°
|
15°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
| Feels like temperature (°C) |
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
8°
|
8°
|
8°
|
9°
|
9°
|
10°
|
10°
|
10°
|
10°
|
11°
|
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
10°
|
9°
|
| Wind direction and speed (mph) |
N
18
|
NNE
19
|
NNE
19
|
N
19
|
NNE
20
|
NNE
21
|
NNE
21
|
NNE
22
|
NNE
22
|
NNE
21
|
NNE
21
|
NNE
21
|
NNE
21
|
NNE
21
|
NNE
21
|
NNE
21
|
NNE
20
|
NNE
20
|
NNE
20
|
NNE
21
|
NNE
21
|
NNE
22
|
NNE
22
|
NNE
23
|
| Wind gust (mph) |
30
|
28
|
30
|
31
|
33
|
33
|
35
|
35
|
35
|
35
|
34
|
34
|
32
|
32
|
31
|
30
|
30
|
29
|
29
|
32
|
34
|
33
|
32
|
30
|
| 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 |
68%
|
70%
|
72%
|
70%
|
72%
|
70%
|
69%
|
69%
|
69%
|
70%
|
70%
|
69%
|
68%
|
68%
|
65%
|
64%
|
62%
|
61%
|
61%
|
59%
|
58%
|
58%
|
58%
|
59%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 4 | 4 | 3 | 1 | 1 | 1 | 1 | - | - | - | - |
Tuesday (23 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%
|
30%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
| Temperature (°C) |
13°
|
13°
|
13°
|
13°
|
14°
|
14°
|
15°
|
15°
|
15°
|
| Feels like temperature (°C) |
9°
|
9°
|
9°
|
9°
|
10°
|
11°
|
11°
|
11°
|
11°
|
| Wind direction and speed (mph) |
NNE
22
|
NNE
22
|
NNE
20
|
NNE
20
|
NNE
19
|
NNE
20
|
NNE
19
|
N
18
|
NNE
16
|
| Wind gust (mph) |
30
|
30
|
28
|
28
|
26
|
23
|
23
|
20
|
18
|
| Visibility (description) |
E
|
E
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
61%
|
60%
|
64%
|
65%
|
67%
|
66%
|
63%
|
58%
|
61%
|
| UV | - | - | - | 1 | 3 | 4 | 2 | 1 | - |
Wednesday (24 September 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
| Temperature (°C) |
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
| Feels like temperature (°C) |
12°
|
11°
|
11°
|
12°
|
12°
|
12°
|
12°
|
12°
|
| Wind direction and speed (mph) |
NNE
15
|
NNE
15
|
NNE
15
|
NNE
16
|
NNE
16
|
N
16
|
N
15
|
NNE
13
|
| Wind gust (mph) |
17
|
17
|
17
|
16
|
18
|
16
|
15
|
16
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
64%
|
69%
|
70%
|
71%
|
72%
|
69%
|
65%
|
66%
|
| UV | - | - | 1 | 3 | 4 | 2 | 1 | - |
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Forecast for 20:00 (UTC+1), Thu
Updated 19:07 (UTC+1) on Thu 18 Sep 2025
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