St Peter Port (Guernsey) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 15° Celsius; -
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 17° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 17° Celsius; -
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 14° Celsius;
-
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 15° Celsius; -
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 14° 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: 13° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 13° Celsius;
7 day forecast for St Peter Port
Today (16 September 2025)
| Time |
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
|
|
|
|
 |
| Chance of precipitation |
30%
|
<5%
|
<5%
|
10%
|
10%
|
20%
|
10%
|
| Temperature |
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
| Feels like temperature (°C) |
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
| Wind direction and speed |
W
15
|
WSW
14
|
WSW
13
|
WSW
12
|
WSW
11
|
WSW
12
|
SW
13
|
| Wind gust (mph) |
24
|
23
|
23
|
22
|
22
|
23
|
23
|
| Visibility |
VG
|
VG
|
VG
|
E
|
E
|
E
|
E
|
| Humidity |
75%
|
76%
|
75%
|
76%
|
76%
|
76%
|
76%
|
| UV | 1 | 1 | 1 | - | - | - | - |
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 |
10%
|
20%
|
10%
|
10%
|
10%
|
10%
|
<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°
|
16°
|
16°
|
16°
|
16°
|
17°
|
17°
|
18°
|
18°
|
19°
|
19°
|
19°
|
19°
|
19°
|
19°
|
18°
|
18°
|
18°
|
18°
|
18°
|
| Feels like temperature (°C) |
14°
|
13°
|
13°
|
13°
|
13°
|
13°
|
12°
|
12°
|
13°
|
13°
|
13°
|
14°
|
14°
|
15°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
15°
|
15°
|
15°
|
15°
|
| Wind direction and speed (mph) |
SW
14
|
SW
15
|
SSW
16
|
SSW
18
|
SSW
20
|
SSW
21
|
SW
21
|
SW
21
|
SW
21
|
SW
21
|
SW
21
|
SW
21
|
SW
20
|
SW
19
|
SW
17
|
SW
17
|
SW
17
|
WSW
17
|
SW
17
|
WSW
16
|
SW
16
|
SW
16
|
SW
16
|
SW
16
|
| Wind gust (mph) |
23
|
25
|
27
|
29
|
30
|
30
|
31
|
31
|
32
|
32
|
32
|
31
|
29
|
25
|
24
|
23
|
23
|
22
|
22
|
23
|
24
|
24
|
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 |
76%
|
77%
|
80%
|
80%
|
83%
|
84%
|
83%
|
83%
|
83%
|
80%
|
79%
|
79%
|
77%
|
80%
|
81%
|
81%
|
82%
|
82%
|
83%
|
83%
|
84%
|
84%
|
85%
|
86%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 2 | 3 | 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 |
<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) |
18°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
18°
|
18°
|
19°
|
19°
|
20°
|
20°
|
20°
|
20°
|
20°
|
19°
|
18°
|
17°
|
17°
|
17°
|
16°
|
| Feels like temperature (°C) |
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
16°
|
16°
|
17°
|
17°
|
18°
|
19°
|
19°
|
19°
|
19°
|
18°
|
17°
|
17°
|
16°
|
16°
|
| Wind direction and speed (mph) |
SW
16
|
SW
16
|
SW
16
|
SW
16
|
SW
16
|
SSW
16
|
SSW
16
|
SSW
16
|
SSW
16
|
SSW
16
|
SSW
16
|
SSW
16
|
SSW
16
|
SSW
15
|
SSW
13
|
SSW
11
|
SSW
9
|
S
8
|
SSW
7
|
SSE
6
|
SSW
6
|
SSW
6
|
SSW
6
|
SW
6
|
| Wind gust (mph) |
24
|
24
|
23
|
23
|
24
|
23
|
24
|
23
|
23
|
23
|
23
|
22
|
20
|
19
|
17
|
14
|
13
|
11
|
10
|
10
|
9
|
9
|
8
|
9
|
| Visibility (description) |
E
|
E
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
87%
|
87%
|
89%
|
90%
|
90%
|
90%
|
90%
|
88%
|
88%
|
87%
|
86%
|
86%
|
86%
|
85%
|
85%
|
86%
|
85%
|
86%
|
86%
|
86%
|
87%
|
86%
|
86%
|
86%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 3 | 4 | 4 | 4 | 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%
|
10%
|
<5%
|
<5%
|
10%
|
| Temperature (°C) |
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
17°
|
18°
|
18°
|
18°
|
19°
|
19°
|
19°
|
18°
|
18°
|
17°
|
17°
|
16°
|
17°
|
17°
|
| Feels like temperature (°C) |
16°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
16°
|
16°
|
17°
|
17°
|
18°
|
18°
|
18°
|
18°
|
18°
|
17°
|
16°
|
16°
|
16°
|
16°
|
| Wind direction and speed (mph) |
SSW
7
|
S
7
|
SSW
7
|
SSW
8
|
SW
8
|
SW
8
|
WSW
8
|
SW
7
|
SW
8
|
SW
9
|
SSW
10
|
SSW
10
|
SSW
11
|
SSW
10
|
SSW
9
|
S
8
|
S
7
|
SSW
7
|
S
6
|
SSW
6
|
SW
5
|
SW
5
|
WSW
6
|
SSW
6
|
| Wind gust (mph) |
10
|
11
|
12
|
13
|
14
|
13
|
14
|
13
|
14
|
13
|
13
|
13
|
12
|
12
|
11
|
10
|
9
|
8
|
8
|
8
|
9
|
9
|
10
|
11
|
| 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 |
87%
|
88%
|
89%
|
90%
|
90%
|
90%
|
89%
|
88%
|
87%
|
87%
|
86%
|
86%
|
86%
|
86%
|
85%
|
86%
|
86%
|
87%
|
87%
|
87%
|
87%
|
87%
|
88%
|
88%
|
| 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%
|
10%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
30%
|
40%
|
50%
|
50%
|
50%
|
40%
|
30%
|
30%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
10%
|
20%
|
| Temperature (°C) |
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
16°
|
16°
|
16°
|
16°
|
15°
|
| Feels like temperature (°C) |
16°
|
16°
|
16°
|
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
15°
|
15°
|
15°
|
15°
|
16°
|
16°
|
15°
|
15°
|
15°
|
15°
|
14°
|
13°
|
13°
|
13°
|
13°
|
| Wind direction and speed (mph) |
SSW
7
|
SW
7
|
WSW
7
|
WSW
7
|
NW
7
|
NW
7
|
WNW
8
|
NW
9
|
NNW
9
|
NNW
9
|
NNW
10
|
NNW
11
|
NNW
11
|
WNW
12
|
WNW
13
|
NW
13
|
WNW
13
|
NW
13
|
NW
13
|
WNW
14
|
WNW
15
|
WNW
15
|
NW
15
|
WNW
15
|
| Wind gust (mph) |
11
|
11
|
11
|
10
|
12
|
13
|
14
|
14
|
13
|
14
|
15
|
16
|
15
|
15
|
15
|
15
|
14
|
14
|
17
|
19
|
19
|
16
|
17
|
19
|
| 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 |
89%
|
90%
|
92%
|
92%
|
93%
|
92%
|
92%
|
92%
|
93%
|
93%
|
91%
|
91%
|
90%
|
91%
|
89%
|
88%
|
87%
|
86%
|
85%
|
84%
|
83%
|
83%
|
80%
|
79%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 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 |
20%
|
30%
|
40%
|
40%
|
40%
|
30%
|
30%
|
40%
|
40%
|
| Temperature (°C) |
15°
|
15°
|
15°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
| Feels like temperature (°C) |
13°
|
12°
|
12°
|
11°
|
12°
|
12°
|
11°
|
11°
|
11°
|
| Wind direction and speed (mph) |
WNW
15
|
NW
15
|
NW
15
|
NNW
16
|
NNW
16
|
N
18
|
NNE
20
|
NNE
21
|
NE
22
|
| Wind gust (mph) |
17
|
19
|
18
|
17
|
18
|
22
|
23
|
30
|
32
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
79%
|
78%
|
77%
|
78%
|
78%
|
77%
|
74%
|
72%
|
71%
|
| 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 |
30%
|
30%
|
30%
|
20%
|
10%
|
10%
|
20%
|
20%
|
| Temperature (°C) |
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
| Feels like temperature (°C) |
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
11°
|
11°
|
| Wind direction and speed (mph) |
NE
22
|
NE
21
|
NE
21
|
NE
21
|
NE
22
|
NE
23
|
NE
23
|
NE
22
|
| Wind gust (mph) |
29
|
29
|
30
|
30
|
27
|
25
|
25
|
23
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
71%
|
70%
|
72%
|
72%
|
70%
|
65%
|
63%
|
65%
|
| UV | - | - | 1 | 2 | 4 | 2 | 1 | - |
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Forecast
Forecast for 17:00 (UTC+1), Tue
Updated 15:11 (UTC+1) on Tue 16 Sep 2025
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