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

Forecast days

Overcast changing to sunny intervals in the afternoon.
Sunrise iconSunrise:
Sunset iconSunset:
H UV
No pollution data.
No pollen data.

    7 day forecast for St. Helena Is.

    Today (8 July 2025)
    Time
    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 Overcast Cloudy Overcast Overcast Overcast Cloudy Overcast Sunny intervals Cloudy Sunny intervals Partly cloudy night Partly cloudy night Overcast Overcast Partly cloudy night Overcast
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature
    17°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    Feels like temperature (°C)
    16°
    16°
    16°
    16°
    16°
    16°
    17°
    17°
    17°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    Wind direction and speed
    ESE
    10
    E
    10
    E
    9
    E
    9
    ESE
    8
    ESE
    8
    ESE
    7
    ESE
    7
    SE
    8
    SE
    8
    SE
    9
    SE
    10
    SE
    10
    SE
    10
    SE
    10
    SE
    10
    Wind gust (mph)
    15
    15
    14
    13
    13
    12
    12
    12
    13
    13
    14
    15
    15
    15
    16
    16
    Visibility
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    65%
    64%
    64%
    65%
    65%
    65%
    65%
    65%
    65%
    65%
    65%
    65%
    65%
    66%
    66%
    66%
    UV 1 3 5 6 7 7 5 3 1 1 1 - - - - -
    Wednesday (9 July 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 Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Sunny intervals Cloudy Sunny intervals Sunny intervals Cloudy Sunny intervals Overcast Cloudy Sunny intervals Partly cloudy night Partly cloudy night Cloudy Cloudy Cloudy Overcast
    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°
    17°
    17°
    17°
    17°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    Feels like temperature (°C)
    16°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    Wind direction and speed (mph)
    SE
    11
    SE
    11
    SE
    12
    SE
    12
    SE
    13
    SE
    13
    SE
    13
    ESE
    14
    ESE
    15
    ESE
    15
    ESE
    15
    ESE
    15
    ESE
    15
    ESE
    15
    ESE
    15
    ESE
    14
    ESE
    14
    ESE
    14
    ESE
    15
    ESE
    15
    ESE
    15
    ESE
    15
    ESE
    14
    ESE
    15
    Wind gust (mph)
    17
    17
    18
    18
    19
    19
    20
    21
    21
    21
    22
    21
    21
    21
    20
    20
    20
    20
    20
    20
    20
    20
    20
    21
    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
    66%
    67%
    67%
    68%
    68%
    67%
    67%
    67%
    67%
    69%
    68%
    68%
    68%
    68%
    69%
    67%
    68%
    69%
    69%
    69%
    69%
    70%
    70%
    68%
    UV - - - - - - 1 1 1 3 5 7 8 7 6 3 1 1 1 - - - - -
    Thursday (10 July 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 Cloudy Overcast Overcast
    Chance of precipitation
    <5%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    18°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    Feels like temperature (°C)
    15°
    14°
    14°
    14°
    15°
    15°
    15°
    15°
    Wind direction and speed (mph)
    ESE
    14
    ESE
    15
    ESE
    15
    ESE
    15
    SE
    14
    SE
    13
    SE
    13
    SE
    13
    Wind gust (mph)
    21
    21
    21
    21
    19
    19
    19
    20
    Visibility (description)
    VG
    VG
    G
    VG
    VG
    VG
    VG
    VG
    Humidity
    71%
    72%
    74%
    74%
    74%
    73%
    71%
    71%
    UV - - 1 3 7 3 1 -
    Friday (11 July 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 Sunny intervals Partly cloudy night Overcast
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    Feels like temperature (°C)
    15°
    14°
    14°
    14°
    14°
    15°
    15°
    15°
    Wind direction and speed (mph)
    SE
    14
    SE
    15
    SE
    16
    SE
    16
    ESE
    15
    ESE
    13
    ESE
    13
    ESE
    14
    Wind gust (mph)
    21
    23
    23
    23
    21
    20
    19
    20
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    72%
    73%
    74%
    74%
    72%
    73%
    72%
    72%
    UV - - 1 3 6 3 1 -
    Saturday (12 July 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Overcast Overcast Overcast 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)
    17°
    17°
    17°
    17°
    17°
    18°
    18°
    18°
    Feels like temperature (°C)
    15°
    15°
    14°
    14°
    15°
    15°
    15°
    15°
    Wind direction and speed (mph)
    ESE
    14
    SE
    14
    SE
    15
    ESE
    15
    ESE
    14
    ESE
    13
    ESE
    13
    ESE
    14
    Wind gust (mph)
    21
    22
    22
    21
    21
    19
    19
    20
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    72%
    71%
    69%
    68%
    70%
    71%
    71%
    71%
    UV - - 1 3 8 3 1 -
    Sunday (13 July 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 intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    18°
    17°
    18°
    17°
    18°
    18°
    18°
    18°
    Feels like temperature (°C)
    15°
    15°
    14°
    14°
    14°
    15°
    15°
    14°
    Wind direction and speed (mph)
    ESE
    14
    ESE
    15
    ESE
    16
    ESE
    16
    ESE
    16
    ESE
    16
    ESE
    16
    ESE
    17
    Wind gust (mph)
    21
    22
    23
    23
    23
    22
    23
    24
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    71%
    70%
    69%
    71%
    72%
    72%
    74%
    73%
    UV - - 1 3 7 3 1 -
    Monday (14 July 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 intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    10%
    10%
    10%
    <5%
    10%
    10%
    10%
    <5%
    Temperature (°C)
    18°
    17°
    17°
    18°
    18°
    18°
    18°
    18°
    Feels like temperature (°C)
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    Wind direction and speed (mph)
    ESE
    17
    ESE
    18
    ESE
    19
    ESE
    19
    ESE
    18
    ESE
    18
    ESE
    17
    ESE
    17
    Wind gust (mph)
    25
    26
    26
    27
    26
    25
    24
    25
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    74%
    73%
    72%
    70%
    72%
    73%
    73%
    73%
    UV - - 1 3 8 3 1 -

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    Forecast for 08:00 (UTC), Tue
    Updated 07:16 (UTC+1) on Tue 8 Jul 2025
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