Tristan Da Cunha (St Helena - Ascension and Tristan Da Cunha) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 17° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 17° Celsius; -
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 17° Celsius;
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 17° Celsius; -
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 18° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 18° Celsius;
-
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 15° Celsius;
-
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 14° Celsius;
-
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 17° Celsius;
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 17° Celsius;
-
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 17° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 17° Celsius;
Sunny intervals changing to cloudy by nighttime.
Sunrise:
Sunset:
Ex UV
No pollution data.
No pollen data.
7 day forecast for Tristan Da Cunha
Today (9 January 2026)
| Time |
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%
|
10%
|
10%
|
| Temperature |
20°
|
20°
|
20°
|
20°
|
20°
|
20°
|
20°
|
20°
|
| Feels like temperature (°C) |
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
17°
|
| Wind direction and speed |
WNW
22
|
WNW
21
|
WNW
21
|
WNW
21
|
WNW
21
|
W
20
|
W
20
|
WSW
19
|
| Wind gust (mph) |
29
|
29
|
29
|
28
|
28
|
27
|
27
|
24
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
86%
|
86%
|
86%
|
86%
|
85%
|
86%
|
89%
|
91%
|
| UV | 5 | 3 | 1 | 1 | 1 | - | - | - |
Saturday (10 January 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%
|
20%
|
30%
|
30%
|
30%
|
30%
|
40%
|
30%
|
40%
|
30%
|
30%
|
20%
|
20%
|
20%
|
10%
|
10%
|
10%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
19°
|
18°
|
18°
|
18°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
| Feels like temperature (°C) |
16°
|
16°
|
16°
|
16°
|
15°
|
15°
|
15°
|
15°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
| Wind direction and speed (mph) |
SW
17
|
SSW
16
|
SSW
14
|
S
12
|
S
12
|
SSE
12
|
SSE
11
|
SSE
11
|
SSE
10
|
SSE
10
|
SSE
10
|
S
9
|
SSW
9
|
SSW
10
|
SSW
11
|
SSW
11
|
SW
12
|
SW
13
|
SW
15
|
WSW
16
|
WSW
16
|
WSW
17
|
WSW
17
|
WSW
17
|
| Wind gust (mph) |
23
|
20
|
19
|
18
|
17
|
17
|
16
|
16
|
14
|
15
|
14
|
15
|
15
|
17
|
17
|
17
|
19
|
20
|
22
|
23
|
24
|
24
|
24
|
24
|
| Visibility (description) |
G
|
G
|
G
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
G
|
VG
|
VG
|
G
|
G
|
VG
|
VG
|
G
|
VG
|
VG
|
VG
|
| Humidity |
91%
|
90%
|
88%
|
87%
|
85%
|
84%
|
84%
|
83%
|
81%
|
82%
|
81%
|
78%
|
80%
|
80%
|
76%
|
72%
|
71%
|
69%
|
67%
|
66%
|
66%
|
65%
|
65%
|
65%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 2 | 4 | 8 | 10 | 12 | 10 | 8 | 7 | 5 | 3 | 1 | 1 | 1 | - | - | - |
Sunday (11 January 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 |
10%
|
<5%
|
10%
|
20%
|
20%
|
20%
|
30%
|
20%
|
30%
|
20%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
18°
|
18°
|
18°
|
18°
|
18°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
| Feels like temperature (°C) |
15°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
| Wind direction and speed (mph) |
WSW
17
|
WSW
17
|
WSW
18
|
WSW
19
|
WSW
19
|
WSW
19
|
WSW
18
|
WSW
18
|
WSW
18
|
WSW
17
|
WSW
17
|
WSW
18
|
WSW
17
|
WSW
18
|
WSW
17
|
WSW
19
|
WSW
18
|
WSW
19
|
WSW
20
|
WSW
20
|
WSW
20
|
WSW
20
|
WSW
21
|
W
20
|
| Wind gust (mph) |
24
|
25
|
27
|
27
|
27
|
27
|
26
|
25
|
25
|
25
|
25
|
25
|
24
|
25
|
25
|
26
|
27
|
28
|
27
|
28
|
28
|
28
|
29
|
28
|
| 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 |
64%
|
65%
|
66%
|
69%
|
70%
|
69%
|
71%
|
71%
|
71%
|
71%
|
71%
|
69%
|
71%
|
71%
|
68%
|
67%
|
67%
|
68%
|
67%
|
69%
|
67%
|
66%
|
66%
|
67%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 3 | 6 | 9 | 11 | 12 | 12 | 11 | 8 | 6 | 3 | 1 | 1 | 1 | - | - | - |
Monday (12 January 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%
|
10%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
20%
|
20%
|
30%
|
40%
|
40%
|
50%
|
50%
|
40%
|
40%
|
| Temperature (°C) |
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
17°
|
17°
|
17°
|
17°
|
16°
|
| Feels like temperature (°C) |
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
15°
|
14°
|
14°
|
14°
|
| Wind direction and speed (mph) |
W
20
|
W
21
|
W
21
|
W
20
|
W
21
|
W
21
|
W
21
|
W
21
|
W
21
|
W
20
|
W
19
|
W
19
|
W
19
|
W
19
|
W
18
|
W
17
|
W
17
|
WSW
17
|
WSW
17
|
WSW
17
|
SW
15
|
SW
16
|
SSW
15
|
S
15
|
| Wind gust (mph) |
28
|
29
|
29
|
29
|
28
|
28
|
28
|
28
|
27
|
27
|
26
|
25
|
25
|
25
|
25
|
24
|
24
|
25
|
25
|
23
|
23
|
22
|
22
|
25
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
68%
|
68%
|
68%
|
68%
|
69%
|
70%
|
71%
|
73%
|
73%
|
73%
|
74%
|
73%
|
73%
|
73%
|
73%
|
73%
|
73%
|
74%
|
76%
|
78%
|
79%
|
81%
|
81%
|
81%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 3 | 6 | 8 | 11 | 12 | 12 | 10 | 6 | 4 | 2 | 1 | 1 | 1 | - | - | - |
Tuesday (13 January 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 |
50%
|
50%
|
50%
|
40%
|
30%
|
30%
|
20%
|
20%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
| Feels like temperature (°C) |
13°
|
13°
|
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
10°
|
10°
|
10°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
| Wind direction and speed (mph) |
SSE
17
|
SSE
17
|
SSE
19
|
SE
20
|
SE
22
|
SE
23
|
SE
24
|
SE
25
|
SE
25
|
SSE
25
|
SSE
25
|
SSE
23
|
SSE
23
|
SE
22
|
SE
21
|
SE
21
|
SE
20
|
SE
20
|
SE
19
|
SE
19
|
SE
19
|
SE
18
|
SE
17
|
SE
17
|
| Wind gust (mph) |
25
|
27
|
28
|
31
|
32
|
35
|
36
|
36
|
36
|
36
|
34
|
34
|
32
|
31
|
31
|
30
|
29
|
28
|
28
|
28
|
28
|
27
|
26
|
26
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
G
|
VG
|
VG
|
G
|
G
|
G
|
VG
|
G
|
| Humidity |
82%
|
82%
|
82%
|
81%
|
81%
|
81%
|
79%
|
75%
|
71%
|
69%
|
67%
|
66%
|
65%
|
63%
|
63%
|
62%
|
62%
|
63%
|
60%
|
60%
|
60%
|
59%
|
59%
|
59%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 2 | 5 | 8 | 10 | 11 | 10 | 9 | 7 | 5 | 3 | 1 | 1 | 1 | - | - | - |
Wednesday (14 January 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) |
15°
|
14°
|
15°
|
15°
|
15°
|
16°
|
16°
|
17°
|
| Feels like temperature (°C) |
11°
|
12°
|
12°
|
13°
|
13°
|
14°
|
15°
|
15°
|
| Wind direction and speed (mph) |
SE
16
|
ESE
13
|
ESE
12
|
E
10
|
E
9
|
ENE
9
|
NE
8
|
NNE
8
|
| Wind gust (mph) |
25
|
20
|
19
|
17
|
16
|
15
|
15
|
15
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
VG
|
G
|
G
|
| Humidity |
59%
|
59%
|
58%
|
57%
|
57%
|
56%
|
56%
|
57%
|
| UV | - | - | 1 | 5 | 11 | 7 | 1 | - |
Thursday (15 January 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%
|
10%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
17°
|
17°
|
17°
|
18°
|
18°
|
18°
|
18°
|
18°
|
| Feels like temperature (°C) |
15°
|
15°
|
15°
|
15°
|
16°
|
15°
|
16°
|
16°
|
| Wind direction and speed (mph) |
N
9
|
NNW
10
|
NW
10
|
NW
11
|
WNW
12
|
WNW
14
|
W
13
|
W
13
|
| Wind gust (mph) |
16
|
17
|
16
|
19
|
19
|
21
|
19
|
18
|
| Visibility (description) |
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
58%
|
58%
|
58%
|
58%
|
61%
|
65%
|
65%
|
67%
|
| UV | - | - | 1 | 5 | 11 | 7 | 1 | - |
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Updated 12:23 (UTC) on Fri 9 Jan 2026
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