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

Forecast days

Partly cloudy.
Sunrise iconSunrise:
Sunset iconSunset:
VH UV
No pollution data.
No pollen data.

    7 day forecast for St. Helena Is.

    Today (21 May 2025)
    Time
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols Partly cloudy night Partly cloudy night Partly cloudy night Cloudy Cloudy
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature
    20°
    20°
    20°
    20°
    20°
    Feels like temperature (°C)
    15°
    15°
    15°
    15°
    15°
    Wind direction and speed
    ESE
    22
    ESE
    22
    ESE
    22
    ESE
    21
    ESE
    21
    Wind gust (mph)
    31
    30
    30
    30
    30
    Visibility
    VG
    VG
    VG
    VG
    VG
    Humidity
    75%
    75%
    74%
    74%
    73%
    UV - - - - -
    Thursday (22 May 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 Overcast Overcast Overcast Overcast Overcast Overcast Cloudy Drizzle Drizzle Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    <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°
    19°
    19°
    19°
    Feels like temperature (°C)
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    14°
    14°
    14°
    15°
    15°
    15°
    15°
    15°
    15°
    16°
    16°
    16°
    16°
    16°
    16°
    15°
    Wind direction and speed (mph)
    ESE
    21
    ESE
    21
    ESE
    21
    ESE
    21
    ESE
    21
    ESE
    21
    ESE
    21
    ESE
    22
    ESE
    22
    ESE
    22
    ESE
    22
    ESE
    21
    ESE
    20
    ESE
    19
    ESE
    19
    ESE
    19
    ESE
    19
    ESE
    19
    ESE
    19
    ESE
    19
    ESE
    19
    ESE
    19
    ESE
    19
    ESE
    19
    Wind gust (mph)
    29
    29
    30
    30
    30
    30
    30
    30
    31
    30
    30
    29
    28
    28
    26
    26
    26
    26
    26
    26
    26
    26
    26
    26
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    G
    VG
    G
    VG
    G
    VG
    VG
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    74%
    74%
    74%
    75%
    74%
    76%
    75%
    76%
    76%
    76%
    76%
    77%
    77%
    76%
    75%
    75%
    75%
    75%
    75%
    75%
    75%
    75%
    75%
    75%
    UV - - - - - - 1 1 2 4 6 8 8 7 5 3 1 1 - - - - - -
    Friday (23 May 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Overcast Cloudy Overcast Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Overcast
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    19°
    19°
    19°
    19°
    19°
    19°
    20°
    20°
    Feels like temperature (°C)
    15°
    15°
    15°
    16°
    16°
    17°
    17°
    17°
    Wind direction and speed (mph)
    ESE
    19
    ESE
    19
    ESE
    18
    ESE
    18
    ESE
    16
    ESE
    15
    ESE
    15
    SE
    15
    Wind gust (mph)
    27
    26
    25
    25
    22
    21
    22
    22
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    75%
    75%
    74%
    75%
    74%
    75%
    74%
    74%
    UV - - 1 4 8 3 - -
    Saturday (24 May 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Overcast Overcast Overcast Overcast Sunny intervals Cloudy Overcast Overcast
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    Feels like temperature (°C)
    17°
    17°
    17°
    17°
    17°
    18°
    18°
    18°
    Wind direction and speed (mph)
    SE
    15
    ESE
    15
    ESE
    14
    ESE
    13
    ESE
    12
    SE
    10
    SE
    10
    SE
    10
    Wind gust (mph)
    21
    21
    21
    19
    17
    16
    16
    16
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    75%
    75%
    74%
    74%
    73%
    73%
    73%
    72%
    UV - - 1 4 6 3 - -
    Sunday (25 May 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Overcast Overcast Overcast Overcast Cloudy Overcast Overcast Overcast
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    Feels like temperature (°C)
    18°
    17°
    17°
    18°
    18°
    19°
    18°
    18°
    Wind direction and speed (mph)
    SE
    10
    SE
    10
    ESE
    10
    ESE
    10
    ESE
    8
    ESE
    7
    SE
    9
    SSE
    9
    Wind gust (mph)
    15
    16
    15
    14
    12
    13
    14
    15
    Visibility (description)
    G
    G
    VG
    VG
    VG
    VG
    VG
    G
    Humidity
    74%
    74%
    75%
    74%
    74%
    73%
    72%
    73%
    UV - - 1 2 8 3 - -
    Monday (26 May 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    Feels like temperature (°C)
    18°
    18°
    17°
    18°
    18°
    18°
    18°
    17°
    Wind direction and speed (mph)
    SSE
    9
    SSE
    9
    SE
    10
    SE
    10
    SE
    10
    SE
    9
    SE
    10
    SE
    12
    Wind gust (mph)
    15
    15
    15
    15
    14
    16
    18
    18
    Visibility (description)
    VG
    G
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    74%
    75%
    75%
    74%
    74%
    73%
    73%
    73%
    UV - - 1 3 7 3 - -
    Tuesday (27 May 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Overcast Overcast Sunny intervals Sunny intervals Overcast Cloudy Overcast Overcast
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    19°
    19°
    19°
    19°
    19°
    19°
    20°
    20°
    Feels like temperature (°C)
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    Wind direction and speed (mph)
    SE
    12
    SE
    12
    SE
    12
    SE
    13
    SE
    13
    SE
    12
    SE
    13
    SE
    15
    Wind gust (mph)
    18
    18
    19
    19
    18
    19
    21
    21
    Visibility (description)
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    73%
    73%
    74%
    74%
    74%
    73%
    73%
    73%
    UV - - 1 3 7 3 - -

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    Forecast
    Forecast for 19:00 (UTC), Wed
    Updated 18:59 (UTC+1) on Wed 21 May 2025
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