Tristan Da Cunha (St Helena - Ascension and Tristan Da Cunha) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 10° Celsius; -
Maximum daytime temperature: 10° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 10° Celsius; Minimum nighttime temperature: 7° Celsius; -
Maximum daytime temperature: 10° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 10° Celsius; Minimum nighttime temperature: 10° Celsius;
-
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 15° Celsius;
-
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 12° Celsius; -
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 11° Celsius;
-
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 12° Celsius;
Overcast changing to drizzle by nighttime.
Sunrise:
Sunset:
M UV
No pollution data.
No pollen data.
7 day forecast for Tristan Da Cunha
Today (1 August 2025)
| Time |
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|
| Weather symbols |  |
 |
 |
|
|
 |
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
20%
|
20%
|
| Temperature |
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
| Feels like temperature (°C) |
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
| Wind direction and speed |
WSW
31
|
WSW
30
|
WSW
28
|
WSW
27
|
W
27
|
W
26
|
| Wind gust (mph) |
43
|
42
|
40
|
38
|
38
|
38
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
74%
|
69%
|
66%
|
66%
|
69%
|
75%
|
| UV | 1 | - | - | - | - | - |
Saturday (2 August 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%
|
90%
|
≥95%
|
70%
|
20%
|
70%
|
70%
|
70%
|
80%
|
90%
|
60%
|
80%
|
90%
|
90%
|
80%
|
90%
|
≥95%
|
90%
|
80%
|
70%
|
70%
|
60%
|
60%
|
70%
|
| Temperature (°C) |
13°
|
13°
|
13°
|
13°
|
13°
|
12°
|
12°
|
11°
|
10°
|
10°
|
9°
|
9°
|
8°
|
8°
|
8°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
| Feels like temperature (°C) |
8°
|
8°
|
8°
|
7°
|
7°
|
7°
|
6°
|
6°
|
5°
|
5°
|
3°
|
3°
|
2°
|
2°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
| Wind direction and speed (mph) |
WNW
27
|
WNW
30
|
WNW
35
|
W
37
|
WSW
36
|
SW
36
|
SW
36
|
SW
37
|
SW
38
|
SW
38
|
SW
39
|
SW
40
|
SW
40
|
SW
41
|
SW
41
|
SW
41
|
SSW
41
|
SSW
42
|
SSW
42
|
SSW
43
|
SSW
42
|
SSW
41
|
SSW
40
|
SSW
39
|
| Wind gust (mph) |
42
|
49
|
60
|
55
|
52
|
53
|
54
|
55
|
56
|
58
|
60
|
60
|
60
|
61
|
62
|
62
|
62
|
63
|
64
|
64
|
63
|
62
|
60
|
58
|
| Visibility (description) |
G
|
G
|
M
|
G
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
77%
|
80%
|
84%
|
84%
|
74%
|
75%
|
75%
|
74%
|
73%
|
74%
|
72%
|
67%
|
67%
|
69%
|
68%
|
68%
|
71%
|
68%
|
68%
|
69%
|
68%
|
67%
|
67%
|
69%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 1 | 3 | 2 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Sunday (3 August 2025)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
70%
|
50%
|
30%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
8°
|
8°
|
9°
|
9°
|
9°
|
9°
|
10°
|
10°
|
| Feels like temperature (°C) |
2°
|
3°
|
3°
|
4°
|
4°
|
5°
|
5°
|
6°
|
| Wind direction and speed (mph) |
SSW
39
|
SSW
38
|
SW
38
|
SSW
36
|
SSW
34
|
SSW
33
|
SSW
31
|
SSW
27
|
| Wind gust (mph) |
57
|
56
|
55
|
52
|
50
|
48
|
44
|
39
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
71%
|
73%
|
71%
|
67%
|
66%
|
66%
|
66%
|
65%
|
| UV | - | - | - | 1 | 3 | 1 | 1 | - |
Monday (4 August 2025)
| 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) |
10°
|
10°
|
10°
|
11°
|
12°
|
13°
|
14°
|
15°
|
| Feels like temperature (°C) |
6°
|
7°
|
8°
|
8°
|
9°
|
9°
|
10°
|
10°
|
| Wind direction and speed (mph) |
SSW
22
|
SSW
18
|
SW
14
|
WSW
13
|
WNW
15
|
WNW
21
|
WNW
25
|
NW
28
|
| Wind gust (mph) |
32
|
28
|
23
|
22
|
30
|
34
|
39
|
42
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
| Humidity |
64%
|
63%
|
57%
|
57%
|
63%
|
66%
|
72%
|
75%
|
| UV | - | - | - | 1 | 3 | 2 | 1 | - |
Tuesday (5 August 2025)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
20%
|
40%
|
40%
|
30%
|
40%
|
30%
|
| Temperature (°C) |
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
13°
|
| Feels like temperature (°C) |
9°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
9°
|
| Wind direction and speed (mph) |
NW
31
|
NW
31
|
WNW
32
|
WNW
30
|
WNW
29
|
W
25
|
WSW
22
|
WSW
19
|
| Wind gust (mph) |
44
|
45
|
45
|
43
|
39
|
35
|
30
|
26
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
G
|
G
|
VG
|
G
|
| Humidity |
77%
|
83%
|
84%
|
85%
|
88%
|
86%
|
83%
|
80%
|
| UV | - | - | - | 1 | 3 | 1 | 1 | - |
Wednesday (6 August 2025)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
| Temperature (°C) |
13°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
| Feels like temperature (°C) |
10°
|
9°
|
9°
|
9°
|
9°
|
8°
|
9°
|
8°
|
| Wind direction and speed (mph) |
SW
17
|
SW
18
|
SW
18
|
SSW
18
|
SSW
16
|
SSW
17
|
SSW
17
|
S
17
|
| Wind gust (mph) |
25
|
27
|
26
|
25
|
25
|
25
|
25
|
25
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
| Humidity |
75%
|
69%
|
68%
|
66%
|
65%
|
65%
|
64%
|
63%
|
| UV | - | - | - | 1 | 3 | 2 | 1 | - |
Thursday (7 August 2025)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
11°
|
11°
|
11°
|
11°
|
12°
|
12°
|
12°
|
12°
|
| Feels like temperature (°C) |
8°
|
8°
|
8°
|
9°
|
9°
|
9°
|
9°
|
10°
|
| Wind direction and speed (mph) |
S
16
|
S
17
|
S
16
|
SSE
14
|
SSE
14
|
SSE
13
|
SSE
12
|
SSE
11
|
| Wind gust (mph) |
25
|
24
|
23
|
22
|
20
|
19
|
19
|
18
|
| Visibility (description) |
G
|
G
|
G
|
VG
|
G
|
G
|
VG
|
G
|
| Humidity |
63%
|
63%
|
61%
|
58%
|
56%
|
55%
|
55%
|
54%
|
| UV | - | - | - | 1 | 3 | 2 | 1 | - |
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Forecast for 18:00 (UTC), Fri
Updated 18:34 (UTC+1) on Fri 1 Aug 2025
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