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

Forecast days

Sunny changing to partly cloudy by early evening.
Sunrise iconSunrise:
Sunset iconSunset:
Ex UV
No pollution data.
No pollen data.

    7 day forecast for St. Helena Is.

    Today (26 December 2025)
    Time
    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 Clear night Clear night Clear night Partly cloudy night Clear night Sunny intervals Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Partly cloudy night Clear night Clear night Clear night
    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%
    Temperature
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    20°
    20°
    20°
    20°
    20°
    Feels like temperature (°C)
    18°
    18°
    18°
    17°
    17°
    17°
    17°
    17°
    17°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    Wind direction and speed
    SE
    9
    SE
    10
    SE
    10
    SE
    11
    SE
    11
    SE
    12
    SE
    12
    SE
    12
    SE
    11
    SE
    11
    SE
    10
    SE
    10
    SE
    10
    SE
    10
    SE
    10
    SE
    10
    SE
    10
    SE
    10
    SE
    10
    SE
    10
    SSE
    10
    SSE
    10
    SSE
    11
    Wind gust (mph)
    14
    15
    15
    16
    16
    16
    16
    16
    15
    15
    15
    15
    14
    14
    14
    14
    14
    14
    14
    14
    15
    15
    15
    Visibility
    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%
    75%
    75%
    75%
    75%
    75%
    75%
    75%
    75%
    74%
    74%
    74%
    74%
    74%
    74%
    74%
    73%
    71%
    72%
    71%
    71%
    UV - - - - 1 1 2 4 7 11 13 13 13 10 7 3 1 1 - - - - -
    Saturday (27 December 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 Clear night Clear night Partly cloudy night Clear night Clear night Clear night Sunny day Sunny day Sunny intervals Sunny intervals Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Clear night Clear night Clear night Clear night
    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)
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    20°
    20°
    19°
    Feels like temperature (°C)
    18°
    18°
    18°
    18°
    18°
    17°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    18°
    Wind direction and speed (mph)
    SSE
    10
    SSE
    10
    SSE
    10
    SE
    10
    SE
    10
    SE
    10
    SE
    10
    SE
    10
    SE
    10
    SE
    9
    SE
    8
    SE
    8
    SE
    8
    ESE
    8
    SE
    8
    SE
    7
    SE
    7
    SE
    7
    SE
    7
    SE
    7
    SE
    8
    SSE
    8
    SSE
    8
    SSE
    8
    Wind gust (mph)
    15
    15
    15
    15
    15
    15
    14
    14
    14
    13
    13
    12
    12
    12
    12
    12
    12
    11
    12
    12
    12
    12
    12
    12
    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
    71%
    72%
    72%
    73%
    74%
    73%
    74%
    73%
    74%
    74%
    74%
    74%
    74%
    73%
    73%
    73%
    72%
    72%
    71%
    71%
    71%
    71%
    71%
    71%
    UV - - - - - 1 1 2 4 8 11 13 14 13 10 7 4 1 1 - - - - -
    Sunday (28 December 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 Clear night Clear night Clear night Clear night Partly cloudy night Clear night Sunny intervals Sunny intervals Sunny intervals Sunny day Sunny intervals Sunny day Sunny day Sunny day Sunny day Sunny intervals Sunny intervals Sunny day Sunny day Clear night Clear night Clear night Clear night Clear night
    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)
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    20°
    20°
    20°
    20°
    20°
    20°
    Feels like temperature (°C)
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    Wind direction and speed (mph)
    SSE
    8
    SSE
    8
    SSE
    8
    SSE
    7
    SE
    7
    SE
    7
    SE
    7
    ESE
    7
    ESE
    6
    ESE
    6
    E
    6
    E
    5
    E
    5
    E
    4
    ESE
    4
    SE
    4
    SE
    5
    SE
    6
    SSE
    6
    SSE
    6
    SSE
    7
    SSE
    7
    SE
    7
    SE
    8
    Wind gust (mph)
    12
    12
    12
    11
    11
    10
    10
    10
    10
    10
    9
    9
    8
    8
    8
    9
    10
    10
    11
    11
    11
    11
    12
    12
    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
    69%
    71%
    72%
    71%
    71%
    72%
    72%
    72%
    72%
    72%
    72%
    72%
    71%
    70%
    69%
    69%
    69%
    69%
    69%
    69%
    69%
    68%
    68%
    68%
    UV - - - - - 1 1 2 4 8 11 13 14 13 10 7 4 1 1 - - - - -
    Monday (29 December 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 Clear night Clear night Clear night Clear night Clear night Clear night Sunny intervals Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny intervals Sunny day Sunny day Sunny day Sunny intervals Partly cloudy night Clear night Clear night Partly cloudy night Partly cloudy night
    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)
    20°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    20°
    20°
    20°
    20°
    20°
    20°
    20°
    20°
    20°
    20°
    Feels like temperature (°C)
    19°
    19°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    18°
    18°
    Wind direction and speed (mph)
    SE
    8
    SE
    8
    SE
    8
    SE
    8
    ESE
    8
    ESE
    8
    ESE
    8
    ESE
    8
    ESE
    8
    ESE
    8
    E
    8
    E
    8
    E
    8
    E
    7
    E
    7
    ESE
    6
    ESE
    6
    ESE
    7
    ESE
    7
    SE
    8
    SE
    8
    SE
    9
    SE
    9
    SE
    10
    Wind gust (mph)
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    11
    11
    11
    10
    11
    12
    12
    12
    13
    14
    14
    14
    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
    69%
    69%
    69%
    70%
    71%
    72%
    73%
    73%
    73%
    73%
    73%
    73%
    72%
    72%
    71%
    69%
    69%
    69%
    66%
    67%
    67%
    67%
    66%
    66%
    UV - - - - - 1 1 1 4 6 11 13 13 13 10 7 4 1 1 - - - - -
    Tuesday (30 December 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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny day Sunny intervals Sunny intervals Sunny day Clear night Clear night Clear night Partly cloudy night Partly cloudy night
    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)
    20°
    20°
    20°
    20°
    20°
    20°
    20°
    20°
    20°
    20°
    20°
    20°
    20°
    20°
    20°
    20°
    20°
    20°
    20°
    20°
    20°
    20°
    20°
    20°
    Feels like temperature (°C)
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    18°
    18°
    18°
    18°
    18°
    Wind direction and speed (mph)
    SE
    10
    SE
    10
    SE
    10
    SE
    10
    SE
    10
    SE
    10
    ESE
    10
    ESE
    10
    ESE
    10
    ESE
    10
    ESE
    10
    ESE
    9
    ESE
    8
    ESE
    8
    ESE
    8
    ESE
    8
    SE
    8
    SE
    8
    SE
    9
    SE
    10
    SE
    11
    SE
    11
    SE
    11
    SE
    11
    Wind gust (mph)
    15
    15
    15
    15
    15
    15
    15
    15
    15
    14
    14
    13
    13
    12
    12
    12
    13
    13
    15
    16
    16
    16
    16
    16
    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
    67%
    66%
    66%
    67%
    67%
    67%
    67%
    68%
    68%
    68%
    68%
    69%
    69%
    69%
    67%
    67%
    67%
    68%
    68%
    67%
    68%
    69%
    70%
    70%
    UV - - - - - 1 1 2 4 7 11 13 14 13 10 7 4 1 1 - - - - -
    Wednesday (31 December 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny day Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    20°
    20°
    20°
    19°
    20°
    20°
    20°
    20°
    Feels like temperature (°C)
    18°
    18°
    18°
    18°
    18°
    18°
    19°
    18°
    Wind direction and speed (mph)
    SE
    11
    SE
    12
    SE
    12
    ESE
    11
    ESE
    10
    ESE
    9
    SE
    10
    SE
    11
    Wind gust (mph)
    17
    17
    17
    16
    14
    14
    16
    17
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    69%
    73%
    73%
    74%
    73%
    73%
    72%
    72%
    UV - - 1 4 14 7 1 -
    Thursday (1 January 2026)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny day Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    20°
    19°
    19°
    19°
    20°
    20°
    20°
    20°
    Feels like temperature (°C)
    18°
    17°
    17°
    17°
    18°
    18°
    19°
    19°
    Wind direction and speed (mph)
    SE
    11
    SE
    12
    ESE
    13
    ESE
    13
    E
    11
    ESE
    9
    ESE
    8
    ESE
    9
    Wind gust (mph)
    17
    18
    18
    18
    15
    13
    14
    14
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    73%
    73%
    74%
    74%
    74%
    71%
    71%
    73%
    UV - - 1 7 14 7 1 -

    UK video forecast

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    Forecast
    Forecast for 1am (UTC) Friday
    Updated 23:32 (UTC) on Thu 25 Dec 2025
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