Tristan Da Cunha (St Helena - Ascension and Tristan Da Cunha) weather

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Forecast days

Thu 9 Apr

Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 18° Celsius;

Sunrise: 07:10

Sunset: 18:31

Partly cloudy.

H UV

No pollution data.

No pollen data.

Thu 9 Apr

Maximum daytime temperature: 18 degrees Celsius; Minimum nighttime temperature: 18 degrees Celsius;
Fri 10 Apr

Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 20° Celsius;

Sunrise: 07:11

Sunset: 18:30

Cloudy changing to sunny intervals by late morning.

H UV

No pollution data.

No pollen data.

Fri 10 Apr

Maximum daytime temperature: 20 degrees Celsius; Minimum nighttime temperature: 20 degrees Celsius;
Sat 11 Apr

Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 18° Celsius;

Sunrise: 07:12

Sunset: 18:28

Light rain changing to sunny intervals by late morning.

H UV

No pollution data.

No pollen data.

Sat 11 Apr

Maximum daytime temperature: 21 degrees Celsius; Minimum nighttime temperature: 18 degrees Celsius;
Sun 12 Apr

Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 14° Celsius;

Sunrise: 07:13

Sunset: 18:27

Sunny intervals changing to partly cloudy by early evening.

H UV

No pollution data.

No pollen data.

Sun 12 Apr

Maximum daytime temperature: 18 degrees Celsius; Minimum nighttime temperature: 14 degrees Celsius;
Mon 13 Apr

Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 14° Celsius;

Sunrise: 07:14

Sunset: 18:25

Overcast.

M UV

No pollution data.

No pollen data.

Mon 13 Apr

Maximum daytime temperature: 15 degrees Celsius; Minimum nighttime temperature: 14 degrees Celsius;
Tue 14 Apr

Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 15° Celsius;

Sunrise: 07:14

Sunset: 18:24

Overcast.

M UV

No pollution data.

No pollen data.

Tue 14 Apr

Maximum daytime temperature: 15 degrees Celsius; Minimum nighttime temperature: 15 degrees Celsius;
Wed 15 Apr

Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 15° Celsius;

Sunrise: 07:15

Sunset: 18:23

Overcast changing to sunny intervals by late morning.

M UV

No pollution data.

No pollen data.

Wed 15 Apr

Maximum daytime temperature: 17 degrees Celsius; Minimum nighttime temperature: 15 degrees Celsius;

Partly cloudy.

Sunrise: 07:10

Sunset: 18:31

H UV

No pollution data.

No pollen data.

7 day forecast for Tristan Da Cunha

Today (9 April 2026)

Time	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	18°	18°	18°	18°	18°
Feels like temperature (°C)	15°	15°	15°	15°	14°
Wind direction and speed (mph)	NW 10	NW 11	NW 12	NNW 14	NNW 16
Wind gust (mph)	15	17	18	20	23
Visibility (description)	VG	VG	VG	VG	VG
Humidity	57%	57%	56%	57%	58%
UV	-	-	-	-	-

Friday (10 April 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)	18°	18°	18°	18°	18°	18°	18°	18°	18°	19°	19°	19°	19°	19°	19°	19°	20°	20°	20°	20°	20°	20°	20°	20°
Feels like temperature (°C)	14°	14°	13°	13°	13°	13°	13°	13°	13°	13°	13°	13°	13°	13°	13°	13°	13°	13°	13°	13°	13°	13°	13°	13°
Wind direction and speed (mph)	NNW 17	NNW 19	NNW 21	NNW 22	NNW 23	NNW 23	NNW 24	NNW 25	NNW 26	NNW 26	NNW 27	NNW 28	NNW 28	NNW 28	NNW 28	NNW 28	NNW 29	NNW 29	NNW 29	NNW 29	NNW 30	NNW 30	NNW 31	NNW 31
Wind gust (mph)	25	27	28	30	30	31	32	33	34	35	36	36	36	37	37	37	38	38	38	38	39	40	41	41
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%	63%	64%	65%	65%	66%	66%	67%	69%	71%	73%	75%	75%	75%	76%	77%	79%	83%	84%	85%	85%	85%	85%	85%
UV	-	-	-	-	-	-	-	1	1	2	3	5	5	6	5	3	1	1	1	-	-	-	-	-

Saturday (11 April 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%	10%	30%	50%	60%	50%	50%	50%	30%	20%	10%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	19°	19°	19°	18°	18°
Feels like temperature (°C)	13°	13°	13°	13°	13°	13°	13°	13°	13°	14°	14°	14°	14°	13°	13°	13°	13°	13°	13°	13°	13°	13°	13°	13°
Wind direction and speed (mph)	NNW 32	NNW 32	NNW 32	NNW 32	NNW 32	NNW 31	NNW 32	NNW 32	NNW 32	NW 32	NW 32	NW 32	NW 32	WNW 32	WNW 32	WNW 32	WNW 32	WNW 31	W 31	W 30	W 29	WSW 28	WSW 26	WSW 26
Wind gust (mph)	42	42	42	41	41	42	42	42	42	42	42	41	42	42	42	43	42	41	40	38	37	35	33	32
Visibility (description)	VG	VG	VG	VG	VG	G	M	M	M	M	M	M	G	G	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	85%	85%	85%	85%	85%	86%	89%	91%	92%	92%	92%	92%	91%	88%	86%	85%	85%	85%	85%	85%	84%	83%	81%	79%
UV	-	-	-	-	-	-	-	1	1	1	1	5	6	6	5	3	2	1	1	-	-	-	-	-

Sunday (12 April 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%	10%	20%	30%	20%	10%	10%	<5%	<5%	<5%	10%	<5%	<5%	<5%
Temperature (°C)	18°	18°	18°	18°	18°	18°	18°	18°	18°	18°	18°	18°	18°	18°	18°	18°	18°	17°	17°	17°	17°	17°	16°	16°
Feels like temperature (°C)	13°	13°	13°	13°	13°	13°	12°	12°	12°	12°	12°	12°	12°	12°	11°	11°	11°	11°	10°	10°	10°	10°	10°	10°
Wind direction and speed (mph)	W 25	W 25	W 25	W 25	W 25	W 25	W 26	W 26	W 26	W 27	W 28	W 29	W 30	W 30	W 31	WSW 31	WSW 32	WSW 32	WSW 32	WSW 32	WSW 32	WSW 32	WSW 32	WSW 32
Wind gust (mph)	33	33	33	33	33	34	34	34	35	36	37	40	40	41	41	42	43	43	43	43	43	43	43	43
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	G	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	76%	75%	75%	74%	71%	71%	70%	69%	72%	73%	73%	75%	77%	79%	76%	71%	68%	66%	66%	67%	66%	65%	65%	63%
UV	-	-	-	-	-	-	-	1	1	2	4	5	6	6	5	3	2	1	1	-	-	-	-	-

Monday (13 April 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)	16°	16°	16°	16°	15°	15°	15°	15°	15°	15°	14°	14°	14°	14°	14°	14°	14°	14°	14°	14°	14°	14°	14°	14°
Feels like temperature (°C)	10°	9°	9°	9°	9°	9°	9°	9°	9°	9°	9°	9°	9°	10°	10°	10°	10°	10°	10°	10°	10°	11°	11°	11°
Wind direction and speed (mph)	WSW 32	SW 32	SW 32	SW 33	SW 33	SW 33	SW 33	SW 33	SSW 32	SSW 30	SSW 29	SSW 28	SSW 27	SSW 26	SSW 26	SSW 25	SSW 25	S 23	S 23	S 21	S 20	S 19	S 18	S 17
Wind gust (mph)	44	44	44	45	45	45	45	44	42	40	39	38	36	35	35	34	33	32	30	29	28	26	25	23
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	63%	63%	64%	63%	63%	63%	64%	65%	65%	65%	65%	65%	65%	65%	64%	65%	64%	65%	64%	64%	64%	64%	64%	64%
UV	-	-	-	-	-	-	-	1	1	2	3	4	3	4	3	3	1	1	1	-	-	-	-	-

Tuesday (14 April 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)	14°	14°	14°	14°	14°	15°	15°	15°
Feels like temperature (°C)	11°	11°	12°	12°	13°	13°	13°	14°
Wind direction and speed (mph)	S 16	S 14	S 11	SSW 9	SW 7	WSW 9	W 9	W 9
Wind gust (mph)	23	20	17	15	14	15	15	15
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	64%	65%	64%	65%	64%	65%	65%	65%
UV	-	-	-	2	5	3	1	-

Wednesday (15 April 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%	10%	10%	10%
Temperature (°C)	16°	16°	16°	16°	17°	17°	17°	17°
Feels like temperature (°C)	14°	13°	13°	13°	14°	14°	14°	14°
Wind direction and speed (mph)	WNW 11	WNW 14	W 14	W 15	W 17	W 17	WSW 17	SW 18
Wind gust (mph)	19	20	21	21	23	23	24	24
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	66%	67%	68%	68%	71%	73%	75%	77%
UV	-	-	-	2	5	3	1	-

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Forecast for 8pm (UTC) Thursday

Updated 19:27 (UTC+1) on Thu 9 Apr 2026

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Tristan Da Cunha (St Helena - Ascension and Tristan Da Cunha) weather

Find a forecast

Forecast days

Thu 9 Apr

Thu 9 Apr

Fri 10 Apr

Fri 10 Apr

Sat 11 Apr

Sat 11 Apr

Sun 12 Apr

Sun 12 Apr

Mon 13 Apr

Mon 13 Apr

Tue 14 Apr

Tue 14 Apr

Wed 15 Apr

Wed 15 Apr

7 day forecast for Tristan Da Cunha

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