St Mary's Airport (Isles of Scilly) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 14° Celsius; -
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 13° Celsius; -
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 13° Celsius; -
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 12° Celsius;
-
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 12° Celsius;
-
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 11° Celsius; -
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 11° Celsius;
Cloudy changing to light rain by early evening.
Sunrise:
Sunset:
L UV
L Pollution
No pollen data.
7 day forecast for St Mary's Airport
Today (18 October 2025)
| Time |
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%
|
20%
|
40%
|
40%
|
30%
|
20%
|
30%
|
40%
|
50%
|
50%
|
70%
|
80%
|
70%
|
70%
|
90%
|
| Temperature |
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
15°
|
| Feels like temperature (°C) |
11°
|
10°
|
10°
|
10°
|
10°
|
10°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
| Wind direction and speed |
SE
21
|
SE
22
|
SE
23
|
SE
23
|
SE
23
|
SE
24
|
SE
24
|
SE
25
|
SSE
26
|
SE
26
|
SSE
28
|
SSE
29
|
SSE
30
|
SSE
30
|
SSE
31
|
SSE
32
|
SSE
33
|
SSE
33
|
| Wind gust (mph) |
27
|
28
|
29
|
30
|
30
|
30
|
31
|
31
|
33
|
34
|
34
|
34
|
35
|
36
|
37
|
38
|
38
|
39
|
| Visibility |
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
| Humidity |
75%
|
78%
|
83%
|
84%
|
84%
|
83%
|
84%
|
85%
|
85%
|
87%
|
88%
|
89%
|
91%
|
92%
|
93%
|
93%
|
94%
|
94%
|
| UV | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Sunday (19 October 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 |
90%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
90%
|
80%
|
80%
|
70%
|
40%
|
20%
|
10%
|
<5%
|
<5%
|
<5%
|
10%
|
20%
|
30%
|
30%
|
30%
|
40%
|
50%
|
60%
|
60%
|
| Temperature (°C) |
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
| Feels like temperature (°C) |
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
10°
|
10°
|
11°
|
11°
|
12°
|
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
10°
|
10°
|
10°
|
9°
|
| Wind direction and speed (mph) |
SSE
33
|
SSE
34
|
S
34
|
S
34
|
S
33
|
S
33
|
S
30
|
SSW
27
|
SSW
22
|
SW
18
|
WSW
16
|
WSW
15
|
SW
16
|
SW
17
|
SW
18
|
SW
20
|
SW
21
|
SW
22
|
SW
23
|
SW
24
|
SW
24
|
SW
26
|
SW
28
|
SW
29
|
| Wind gust (mph) |
40
|
42
|
43
|
41
|
41
|
40
|
35
|
28
|
24
|
20
|
17
|
18
|
20
|
22
|
23
|
25
|
26
|
27
|
28
|
28
|
29
|
32
|
34
|
35
|
| Visibility (description) |
M
|
M
|
M
|
M
|
M
|
M
|
M
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
E
|
E
|
E
|
E
|
E
|
E
|
| Humidity |
93%
|
93%
|
92%
|
92%
|
92%
|
93%
|
93%
|
95%
|
96%
|
94%
|
92%
|
91%
|
88%
|
88%
|
86%
|
85%
|
85%
|
85%
|
86%
|
85%
|
85%
|
84%
|
84%
|
85%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | - | - | - | - | - |
Monday (20 October 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 |
70%
|
80%
|
90%
|
90%
|
90%
|
80%
|
70%
|
70%
|
70%
|
70%
|
70%
|
70%
|
70%
|
70%
|
60%
|
50%
|
40%
|
30%
|
40%
|
40%
|
50%
|
40%
|
40%
|
50%
|
| Temperature (°C) |
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
| Feels like temperature (°C) |
9°
|
9°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
9°
|
9°
|
9°
|
9°
|
10°
|
10°
|
| Wind direction and speed (mph) |
SW
31
|
SW
32
|
SW
34
|
SW
35
|
SW
35
|
SW
35
|
WSW
34
|
WSW
35
|
WSW
36
|
WSW
37
|
W
37
|
W
36
|
W
36
|
W
35
|
W
34
|
W
33
|
W
33
|
W
32
|
W
31
|
W
30
|
W
28
|
W
26
|
W
25
|
W
24
|
| Wind gust (mph) |
37
|
41
|
43
|
44
|
46
|
45
|
44
|
48
|
50
|
50
|
48
|
48
|
46
|
45
|
44
|
43
|
41
|
38
|
36
|
33
|
31
|
30
|
30
|
29
|
| 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 |
84%
|
83%
|
86%
|
85%
|
86%
|
86%
|
83%
|
81%
|
81%
|
84%
|
84%
|
83%
|
84%
|
84%
|
84%
|
83%
|
84%
|
83%
|
82%
|
83%
|
81%
|
83%
|
83%
|
83%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Tuesday (21 October 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%
|
50%
|
50%
|
60%
|
60%
|
50%
|
50%
|
60%
|
60%
|
50%
|
30%
|
30%
|
30%
|
30%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
30%
|
30%
|
20%
|
| Temperature (°C) |
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
13°
|
14°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
14°
|
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
| Feels like temperature (°C) |
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
| Wind direction and speed (mph) |
W
24
|
W
24
|
W
24
|
W
24
|
W
24
|
W
24
|
W
23
|
WNW
23
|
WNW
22
|
WNW
22
|
WNW
22
|
WNW
21
|
WNW
20
|
WNW
19
|
WNW
18
|
WNW
17
|
WNW
16
|
WNW
16
|
W
15
|
W
14
|
W
14
|
W
13
|
WSW
13
|
SW
13
|
| Wind gust (mph) |
28
|
28
|
29
|
28
|
28
|
28
|
30
|
28
|
29
|
29
|
27
|
26
|
25
|
23
|
21
|
19
|
18
|
17
|
17
|
16
|
15
|
14
|
14
|
14
|
| 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 |
83%
|
84%
|
83%
|
83%
|
83%
|
82%
|
81%
|
82%
|
82%
|
82%
|
81%
|
78%
|
77%
|
76%
|
77%
|
77%
|
76%
|
76%
|
75%
|
75%
|
75%
|
74%
|
74%
|
75%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 2 | 2 | 1 | 1 | 1 | - | - | - | - | - |
Wednesday (22 October 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%
|
30%
|
40%
|
40%
|
50%
|
60%
|
70%
|
70%
|
60%
|
50%
|
60%
|
60%
|
50%
|
50%
|
60%
|
50%
|
50%
|
60%
|
60%
|
60%
|
60%
|
60%
|
60%
|
60%
|
| Temperature (°C) |
13°
|
14°
|
13°
|
13°
|
13°
|
14°
|
14°
|
14°
|
13°
|
13°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
| Feels like temperature (°C) |
11°
|
11°
|
11°
|
11°
|
10°
|
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
8°
|
8°
|
8°
|
| Wind direction and speed (mph) |
SSW
13
|
SSW
13
|
S
15
|
S
16
|
S
17
|
SSE
18
|
S
18
|
SSE
19
|
S
20
|
S
21
|
S
22
|
S
24
|
SSW
25
|
SW
26
|
WSW
27
|
WSW
27
|
WSW
29
|
WSW
30
|
WSW
31
|
WSW
31
|
W
31
|
W
32
|
W
33
|
W
34
|
| Wind gust (mph) |
14
|
14
|
15
|
17
|
18
|
19
|
20
|
23
|
25
|
26
|
24
|
26
|
28
|
33
|
30
|
30
|
32
|
34
|
34
|
33
|
35
|
35
|
36
|
37
|
| Visibility (description) |
E
|
E
|
E
|
E
|
E
|
E
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
75%
|
77%
|
79%
|
82%
|
84%
|
86%
|
90%
|
91%
|
91%
|
90%
|
89%
|
90%
|
89%
|
89%
|
88%
|
88%
|
86%
|
84%
|
83%
|
83%
|
80%
|
80%
|
79%
|
79%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Thursday (23 October 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 |
70%
|
60%
|
50%
|
50%
|
40%
|
30%
|
30%
|
40%
|
40%
|
| Temperature (°C) |
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
| Feels like temperature (°C) |
8°
|
7°
|
7°
|
7°
|
7°
|
8°
|
8°
|
8°
|
8°
|
| Wind direction and speed (mph) |
W
35
|
W
36
|
W
37
|
WSW
37
|
W
35
|
W
32
|
W
33
|
W
31
|
WNW
30
|
| Wind gust (mph) |
39
|
40
|
40
|
40
|
39
|
35
|
37
|
34
|
33
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
78%
|
77%
|
75%
|
73%
|
73%
|
72%
|
69%
|
68%
|
72%
|
| UV | - | - | - | - | 1 | 2 | 1 | - | - |
Friday (24 October 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
40%
|
50%
|
50%
|
40%
|
40%
|
40%
|
30%
|
40%
|
| Temperature (°C) |
13°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
| Feels like temperature (°C) |
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
7°
|
| Wind direction and speed (mph) |
W
30
|
W
29
|
WNW
28
|
NW
25
|
NW
24
|
NW
25
|
NW
26
|
NNW
27
|
| Wind gust (mph) |
32
|
32
|
31
|
25
|
26
|
27
|
29
|
29
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
69%
|
70%
|
72%
|
71%
|
69%
|
68%
|
69%
|
68%
|
| UV | - | - | - | 1 | 2 | 1 | - | - |
Tooltip header
UK video forecast
St Mary's Airport weather map
View the weather with our interactive map
Loading map...
South West England weather forecast
Headline:
Largely dry today, wet and windy overnight and into Sunday.
Today:
Mainly dry today with bright spells developing and perhaps lengthier periods of hazy sunshine for a time. Thicker cloud arriving later with a few showery outbreaks of rain in the west by this evening. Breezy. Maximum temperature 14 °C.
Tonight:
South-easterly winds freshening this evening with showery outbreaks moving eastwards. Turning increasingly wet and windy overnight with some heavy and persistent rain by dawn. Coastal gales possible at times. Mild. Minimum temperature 10 °C.
Sunday:
A wet and windy morning with the heaviest rain gradually clearing eastwards. Turning sunnier in Cornwall by lunchtime with brighter conditions spreading to remaining areas through the afternoon. Maximum temperature 17 °C.
Outlook for Monday to Wednesday:
Windy on Monday with heavy and blustery showers and sunny spells. Fewer showers on Tuesday but staying changeable on Wednesday with further wet and windy weather possible. Temperatures around average.
Updated: