Tristan Da Cunha (St Helena - Ascension and Tristan Da Cunha) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 14 degrees Celsius; Minimum nighttime temperature: 13 degrees Celsius; -
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 14 degrees Celsius; Minimum nighttime temperature: 14 degrees Celsius;
-
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 15 degrees Celsius; Minimum nighttime temperature: 14 degrees Celsius; -
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 15 degrees Celsius; Minimum nighttime temperature: 10 degrees Celsius; -
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: 12 degrees Celsius;
-
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 14 degrees Celsius; Minimum nighttime temperature: 14 degrees Celsius;
-
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 14 degrees Celsius; Minimum nighttime temperature: 13 degrees Celsius;
Clear.
Sunrise:
Sunset:
H UV
No pollution data.
No pollen data.
7 day forecast for Tristan Da Cunha
Today (10 September 2026)
| Time |
23:00
|
|---|---|
| Weather symbols |  |
| Chance of precipitation |
<5%
|
| Temperature |
14°
|
| Feels like temperature (°C) |
11°
|
| Wind direction and speed |
WNW
13
|
| Wind gust (mph) |
16
|
| Visibility |
VG
|
| Humidity |
74%
|
| UV | - |
Friday (11 September 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%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
| Feels like temperature (°C) |
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
| Wind direction and speed (mph) |
WNW
13
|
WNW
13
|
WNW
12
|
WNW
12
|
W
11
|
W
11
|
W
10
|
W
11
|
W
11
|
W
10
|
W
9
|
W
9
|
W
8
|
W
8
|
WNW
8
|
WNW
8
|
WNW
8
|
WNW
8
|
WNW
8
|
NW
8
|
NW
9
|
NW
10
|
NNW
11
|
NNW
12
|
| Wind gust (mph) |
16
|
16
|
15
|
15
|
14
|
14
|
14
|
14
|
14
|
12
|
12
|
11
|
10
|
10
|
10
|
11
|
10
|
11
|
11
|
12
|
12
|
14
|
15
|
18
|
| 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%
|
76%
|
76%
|
76%
|
77%
|
78%
|
77%
|
77%
|
77%
|
78%
|
76%
|
76%
|
76%
|
76%
|
76%
|
76%
|
75%
|
74%
|
74%
|
74%
|
75%
|
75%
|
75%
|
75%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 4 | 5 | 6 | 6 | 5 | 3 | 2 | 1 | 1 | - | - | - | - | - |
Saturday (12 September 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%
|
10%
|
| Temperature (°C) |
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
| Feels like temperature (°C) |
11°
|
11°
|
11°
|
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
9°
|
9°
|
9°
|
10°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
| Wind direction and speed (mph) |
NNW
14
|
NNW
15
|
NNW
17
|
NNW
17
|
NNW
18
|
NNW
19
|
NNW
20
|
NNW
21
|
NNW
22
|
NNW
23
|
NNW
24
|
NNW
25
|
NNW
26
|
NNW
27
|
NNW
27
|
NNW
27
|
NNW
27
|
NNW
28
|
NNW
28
|
NNW
29
|
NNW
29
|
NNW
30
|
NNW
32
|
NNW
34
|
| Wind gust (mph) |
19
|
21
|
22
|
23
|
24
|
25
|
26
|
28
|
30
|
31
|
32
|
33
|
35
|
35
|
35
|
35
|
36
|
37
|
37
|
38
|
39
|
42
|
44
|
47
|
| 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%
|
76%
|
75%
|
75%
|
75%
|
76%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
76%
|
76%
|
76%
|
76%
|
76%
|
76%
|
76%
|
76%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 4 | 5 | 5 | 5 | 4 | 3 | 1 | 1 | 1 | - | - | - | - | - |
Sunday (13 September 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 |
20%
|
50%
|
70%
|
80%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
80%
|
50%
|
30%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
14°
|
12°
|
12°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
| Feels like temperature (°C) |
9°
|
8°
|
8°
|
8°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
8°
|
8°
|
7°
|
7°
|
7°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
| Wind direction and speed (mph) |
NNW
35
|
NNW
37
|
NNW
39
|
NNW
41
|
NNW
43
|
NNW
44
|
NNW
46
|
NNW
47
|
NNW
46
|
NNW
45
|
NW
43
|
WNW
36
|
WSW
34
|
SW
33
|
SSW
32
|
SSW
32
|
SSW
30
|
SSW
29
|
SSW
28
|
SSW
26
|
SSW
25
|
SSW
23
|
SSW
21
|
SSW
21
|
| Wind gust (mph) |
50
|
53
|
54
|
58
|
60
|
62
|
64
|
64
|
63
|
61
|
58
|
49
|
45
|
44
|
43
|
42
|
40
|
38
|
36
|
35
|
33
|
30
|
29
|
28
|
| Visibility (description) |
VG
|
M
|
M
|
M
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
M
|
G
|
VG
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
77%
|
78%
|
81%
|
83%
|
84%
|
85%
|
85%
|
85%
|
85%
|
85%
|
87%
|
86%
|
81%
|
78%
|
76%
|
75%
|
75%
|
71%
|
68%
|
66%
|
65%
|
63%
|
63%
|
63%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 1 | 3 | 5 | 5 | 3 | 2 | 1 | 1 | 1 | - | - | - | - | - |
Monday (14 September 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%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
10%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
20%
|
20%
|
10%
|
20%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
| Feels like temperature (°C) |
6°
|
6°
|
6°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
9°
|
9°
|
9°
|
9°
|
| Wind direction and speed (mph) |
SW
20
|
SW
19
|
SW
19
|
SW
18
|
SW
18
|
SW
18
|
WSW
18
|
WSW
17
|
WSW
18
|
WSW
18
|
WSW
19
|
WSW
19
|
WSW
20
|
WSW
20
|
W
21
|
W
21
|
W
20
|
W
21
|
W
21
|
W
20
|
W
19
|
W
19
|
W
19
|
W
19
|
| Wind gust (mph) |
27
|
26
|
25
|
25
|
25
|
25
|
24
|
24
|
25
|
25
|
26
|
26
|
26
|
27
|
28
|
28
|
28
|
28
|
27
|
26
|
25
|
25
|
26
|
27
|
| 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 |
61%
|
59%
|
58%
|
58%
|
57%
|
56%
|
56%
|
55%
|
55%
|
55%
|
55%
|
55%
|
56%
|
57%
|
58%
|
59%
|
61%
|
62%
|
63%
|
63%
|
63%
|
64%
|
63%
|
64%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 4 | 6 | 6 | 6 | 5 | 3 | 2 | 1 | 1 | - | - | - | - | - |
Tuesday (15 September 2026)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
20%
|
10%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
| Temperature (°C) |
12°
|
12°
|
13°
|
13°
|
13°
|
14°
|
14°
|
14°
|
| Feels like temperature (°C) |
9°
|
8°
|
9°
|
9°
|
9°
|
9°
|
9°
|
10°
|
| Wind direction and speed (mph) |
W
21
|
WNW
23
|
WNW
23
|
WNW
23
|
WNW
24
|
WNW
25
|
WNW
24
|
WNW
23
|
| Wind gust (mph) |
30
|
30
|
30
|
31
|
32
|
32
|
31
|
30
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
64%
|
64%
|
64%
|
65%
|
66%
|
67%
|
68%
|
71%
|
| UV | - | - | 1 | 2 | 6 | 3 | 1 | - |
Wednesday (16 September 2026)
| 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%
|
20%
|
20%
|
40%
|
50%
|
50%
|
| Temperature (°C) |
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
| Feels like temperature (°C) |
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
| Wind direction and speed (mph) |
NW
22
|
NW
22
|
NW
20
|
NNW
21
|
NNW
22
|
NNW
23
|
NNW
25
|
NNW
28
|
| Wind gust (mph) |
29
|
29
|
28
|
29
|
31
|
36
|
38
|
40
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
M
|
M
|
M
|
| Humidity |
74%
|
75%
|
76%
|
77%
|
79%
|
84%
|
84%
|
86%
|
| UV | - | - | 1 | 2 | 4 | 2 | 1 | - |
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Forecast
Forecast for 12am (UTC) Friday
Updated 19:37 (UTC+1) on Thu 10 Sep 2026
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