St. Helena Is. (St Helena - Ascension and Tristan Da Cunha) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 17° Celsius;
Maximum daytime temperature: 17 degrees Celsius; Minimum nighttime temperature: 17 degrees Celsius; -
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 17° Celsius;
Maximum daytime temperature: 18 degrees Celsius; Minimum nighttime temperature: 17 degrees Celsius;
-
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 17° Celsius;
Maximum daytime temperature: 18 degrees Celsius; Minimum nighttime temperature: 17 degrees Celsius;
-
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 18 degrees Celsius; Minimum nighttime temperature: 16 degrees Celsius;
-
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 17 degrees Celsius; Minimum nighttime temperature: 16 degrees Celsius;
-
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 17 degrees Celsius; Minimum nighttime temperature: 16 degrees Celsius;
-
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 17° Celsius;
Maximum daytime temperature: 17 degrees Celsius; Minimum nighttime temperature: 17 degrees Celsius;
Overcast.
Sunrise:
Sunset:
VH UV
No pollution data.
No pollen data.
7 day forecast for St. Helena Is.
Today (5 October 2026)
| Time |
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|
| Weather symbols |  |
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature |
17°
|
17°
|
17°
|
17°
|
| Feels like temperature (°C) |
14°
|
14°
|
13°
|
13°
|
| Wind direction and speed |
SE
20
|
SE
20
|
SE
20
|
ESE
21
|
| Wind gust (mph) |
26
|
26
|
26
|
27
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
| Humidity |
76%
|
76%
|
76%
|
76%
|
| UV | - | - | - | - |
Tuesday (6 October 2026)
| 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) |
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
18°
|
18°
|
18°
|
17°
|
| Feels like temperature (°C) |
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
| Wind direction and speed (mph) |
ESE
21
|
ESE
21
|
ESE
21
|
ESE
21
|
ESE
21
|
ESE
21
|
ESE
22
|
ESE
22
|
ESE
22
|
ESE
22
|
ESE
22
|
ESE
22
|
ESE
21
|
ESE
21
|
ESE
21
|
ESE
20
|
ESE
20
|
ESE
19
|
ESE
19
|
ESE
19
|
ESE
19
|
ESE
19
|
ESE
19
|
ESE
19
|
| Wind gust (mph) |
27
|
28
|
28
|
28
|
28
|
28
|
29
|
29
|
29
|
29
|
28
|
28
|
27
|
26
|
26
|
26
|
26
|
25
|
25
|
25
|
25
|
25
|
25
|
25
|
| 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 |
76%
|
75%
|
76%
|
76%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
| UV | - | - | - | - | - | - | 1 | 1 | 2 | 3 | 4 | 4 | 12 | 10 | 7 | 4 | 2 | 1 | 1 | - | - | - | - | - |
Wednesday (7 October 2026)
| 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) |
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
17°
|
| Feels like temperature (°C) |
14°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
| Wind direction and speed (mph) |
ESE
19
|
ESE
19
|
ESE
20
|
ESE
20
|
ESE
20
|
ESE
21
|
ESE
21
|
E
21
|
E
21
|
E
20
|
E
19
|
E
19
|
E
17
|
E
17
|
E
16
|
E
15
|
ESE
14
|
ESE
15
|
ESE
15
|
ESE
16
|
ESE
16
|
ESE
17
|
ESE
17
|
ESE
17
|
| Wind gust (mph) |
25
|
26
|
26
|
27
|
27
|
27
|
27
|
27
|
26
|
26
|
25
|
23
|
23
|
21
|
20
|
19
|
19
|
19
|
20
|
21
|
22
|
22
|
22
|
22
|
| 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 |
75%
|
75%
|
75%
|
76%
|
76%
|
76%
|
75%
|
76%
|
75%
|
76%
|
76%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
76%
|
76%
|
| UV | - | - | - | - | - | - | 1 | 1 | 2 | 5 | 8 | 9 | 10 | 9 | 7 | 4 | 2 | 1 | 1 | - | - | - | - | - |
Thursday (8 October 2026)
| 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) |
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
18°
|
18°
|
18°
|
18°
|
18°
|
17°
|
17°
|
17°
|
17°
|
| Feels like temperature (°C) |
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
| Wind direction and speed (mph) |
ESE
17
|
ESE
17
|
ESE
17
|
ESE
17
|
ESE
17
|
ESE
18
|
ESE
18
|
ESE
17
|
ESE
18
|
ESE
17
|
ESE
17
|
ESE
17
|
ESE
16
|
ESE
15
|
ESE
15
|
ESE
15
|
ESE
15
|
ESE
16
|
ESE
16
|
ESE
16
|
ESE
16
|
ESE
17
|
ESE
17
|
ESE
17
|
| Wind gust (mph) |
22
|
22
|
22
|
23
|
23
|
23
|
23
|
23
|
23
|
22
|
22
|
21
|
20
|
19
|
19
|
19
|
20
|
20
|
21
|
21
|
21
|
21
|
21
|
21
|
| Visibility (description) |
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
77%
|
78%
|
78%
|
79%
|
80%
|
80%
|
81%
|
81%
|
80%
|
80%
|
80%
|
79%
|
80%
|
80%
|
79%
|
78%
|
79%
|
80%
|
80%
|
79%
|
78%
|
78%
|
77%
|
79%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 5 | 7 | 9 | 10 | 9 | 7 | 5 | 2 | 1 | 1 | - | - | - | - | - |
Friday (9 October 2026)
| 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) |
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
16°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
| Feels like temperature (°C) |
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
14°
|
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
| Wind direction and speed (mph) |
ESE
17
|
SE
17
|
SE
17
|
SE
17
|
SE
17
|
SE
17
|
ESE
18
|
ESE
18
|
ESE
18
|
ESE
17
|
ESE
17
|
ESE
16
|
ESE
15
|
ESE
14
|
ESE
14
|
ESE
13
|
ESE
13
|
SE
14
|
SE
14
|
SE
15
|
SE
15
|
SE
15
|
SE
15
|
SE
15
|
| Wind gust (mph) |
21
|
22
|
22
|
22
|
23
|
23
|
23
|
23
|
23
|
22
|
21
|
20
|
19
|
18
|
18
|
17
|
18
|
18
|
19
|
19
|
19
|
20
|
20
|
20
|
| Visibility (description) |
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
| Humidity |
79%
|
79%
|
79%
|
82%
|
83%
|
83%
|
83%
|
83%
|
83%
|
83%
|
81%
|
79%
|
78%
|
77%
|
76%
|
76%
|
76%
|
76%
|
75%
|
75%
|
75%
|
75%
|
77%
|
78%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 2 | 5 | 8 | 10 | 11 | 10 | 7 | 5 | 2 | 1 | 1 | - | - | - | - | - |
Saturday (10 October 2026)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
17°
|
16°
|
16°
|
17°
|
17°
|
17°
|
17°
|
17°
|
| Feels like temperature (°C) |
14°
|
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
| Wind direction and speed (mph) |
SE
15
|
SE
16
|
SE
16
|
ESE
16
|
ESE
14
|
SE
13
|
SE
12
|
SE
12
|
| Wind gust (mph) |
21
|
21
|
21
|
21
|
18
|
17
|
17
|
17
|
| Visibility (description) |
G
|
G
|
G
|
G
|
VG
|
VG
|
G
|
G
|
| Humidity |
79%
|
82%
|
82%
|
79%
|
77%
|
76%
|
76%
|
78%
|
| UV | - | - | 1 | 4 | 11 | 5 | 1 | - |
Sunday (11 October 2026)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
17°
|
16°
|
16°
|
16°
|
17°
|
17°
|
17°
|
17°
|
| Feels like temperature (°C) |
15°
|
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
| Wind direction and speed (mph) |
SE
12
|
SE
13
|
SE
12
|
SE
13
|
SE
12
|
SSE
13
|
SSE
13
|
SSE
14
|
| Wind gust (mph) |
18
|
17
|
18
|
17
|
17
|
19
|
21
|
20
|
| Visibility (description) |
G
|
M
|
M
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
82%
|
84%
|
84%
|
84%
|
83%
|
81%
|
77%
|
78%
|
| UV | - | - | 1 | 6 | 11 | 5 | 1 | - |
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Forecast
Forecast for 9pm (UTC) Monday
Updated 13:26 (UTC+1) on Mon 5 Oct 2026
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