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

Forecast days

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

    7 day forecast for St. Helena Is.

    Today (16 September 2025)
    Time
    13:00
    14:00
    15:00
    16:00
    17:00
    18:00
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols Sunny intervals Cloudy Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    Feels like temperature (°C)
    13°
    13°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    Wind direction and speed
    ESE
    15
    ESE
    15
    SE
    14
    SE
    14
    SE
    13
    SE
    14
    SE
    14
    SE
    14
    SE
    14
    SE
    15
    SE
    15
    Wind gust (mph)
    21
    20
    19
    19
    19
    19
    19
    20
    20
    20
    20
    Visibility
    VG
    VG
    VG
    G
    VG
    VG
    G
    G
    G
    G
    G
    Humidity
    80%
    80%
    79%
    79%
    79%
    80%
    81%
    81%
    83%
    84%
    85%
    UV 9 6 5 2 1 1 - - - - -
    Wednesday (17 September 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 Overcast Overcast Overcast Overcast Cloudy Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Cloudy
    Chance of precipitation
    10%
    <5%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    17°
    17°
    17°
    17°
    17°
    17°
    Feels like temperature (°C)
    14°
    13°
    13°
    13°
    13°
    13°
    13°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    Wind direction and speed (mph)
    ESE
    15
    ESE
    15
    ESE
    15
    ESE
    16
    ESE
    15
    ESE
    15
    ESE
    15
    ESE
    14
    ESE
    13
    ESE
    12
    ESE
    12
    ESE
    12
    SE
    12
    SE
    12
    SE
    13
    SE
    14
    SE
    15
    SE
    15
    SE
    16
    SE
    16
    SE
    16
    SE
    16
    SE
    16
    ESE
    15
    Wind gust (mph)
    20
    21
    21
    21
    21
    21
    21
    19
    18
    17
    17
    16
    17
    17
    18
    20
    21
    21
    22
    21
    21
    21
    21
    21
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    Humidity
    85%
    85%
    85%
    85%
    85%
    85%
    85%
    85%
    85%
    85%
    84%
    84%
    85%
    85%
    85%
    85%
    85%
    85%
    85%
    84%
    83%
    83%
    84%
    84%
    UV - - - - - - 1 1 3 5 8 9 10 6 5 3 2 1 1 - - - - -
    Thursday (18 September 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 Cloudy Cloudy Overcast Overcast Overcast Overcast Cloudy Cloudy Cloudy Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Sunny intervals Sunny intervals Overcast Partly cloudy night Cloudy Cloudy Cloudy Cloudy
    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°
    16°
    16°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    Feels like temperature (°C)
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    14°
    14°
    14°
    14°
    Wind direction and speed (mph)
    ESE
    15
    SE
    15
    SE
    15
    ESE
    15
    ESE
    15
    ESE
    15
    ESE
    15
    ESE
    15
    ESE
    15
    ESE
    15
    ESE
    14
    ESE
    14
    ESE
    14
    ESE
    13
    ESE
    13
    SE
    13
    SE
    13
    SE
    14
    SE
    14
    SE
    15
    SE
    15
    SE
    15
    SE
    15
    SE
    15
    Wind gust (mph)
    21
    21
    21
    21
    21
    21
    20
    20
    20
    20
    19
    19
    18
    18
    18
    18
    19
    19
    20
    20
    20
    21
    21
    21
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    83%
    83%
    84%
    84%
    84%
    84%
    83%
    82%
    82%
    81%
    80%
    81%
    82%
    82%
    83%
    82%
    82%
    81%
    79%
    79%
    79%
    81%
    81%
    81%
    UV - - - - - - 1 1 3 6 7 8 11 10 6 5 2 1 1 - - - - -
    Friday (19 September 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 Cloudy Cloudy Cloudy Overcast Overcast Overcast Overcast Overcast Cloudy Cloudy Cloudy Overcast Sunny intervals Cloudy Sunny intervals Sunny intervals Cloudy Overcast Cloudy Overcast Overcast Overcast 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)
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    Feels like temperature (°C)
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    13°
    13°
    13°
    Wind direction and speed (mph)
    SE
    15
    SE
    15
    SE
    15
    SE
    15
    SE
    15
    SE
    15
    SE
    16
    SE
    16
    SE
    17
    SE
    17
    SE
    17
    SE
    17
    SE
    17
    SE
    17
    SE
    17
    SE
    17
    SE
    18
    SE
    18
    SE
    19
    SE
    19
    SE
    19
    SE
    19
    SE
    19
    SE
    19
    Wind gust (mph)
    20
    20
    20
    20
    21
    21
    22
    22
    22
    22
    22
    22
    23
    23
    23
    24
    24
    25
    26
    26
    26
    27
    26
    26
    Visibility (description)
    VG
    VG
    G
    VG
    VG
    G
    VG
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    81%
    81%
    81%
    81%
    82%
    81%
    81%
    80%
    82%
    83%
    81%
    82%
    83%
    82%
    83%
    83%
    83%
    82%
    83%
    83%
    82%
    83%
    83%
    83%
    UV - - - - - - 1 1 3 5 8 11 11 9 6 3 2 1 1 - - - - -
    Saturday (20 September 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 Cloudy Overcast Overcast Overcast Overcast Overcast Sunny intervals Cloudy Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Cloudy Overcast 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)
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    Feels like temperature (°C)
    13°
    13°
    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)
    SE
    19
    SE
    19
    SE
    19
    SE
    19
    SE
    20
    SE
    20
    SE
    21
    SE
    21
    SE
    21
    SE
    21
    SE
    21
    SE
    21
    SE
    21
    SE
    21
    SE
    21
    SE
    21
    SE
    21
    SE
    22
    SE
    22
    SE
    22
    SE
    22
    SE
    23
    SE
    23
    SE
    23
    Wind gust (mph)
    26
    26
    26
    27
    27
    28
    28
    28
    28
    28
    28
    28
    28
    28
    29
    29
    29
    30
    30
    30
    31
    31
    31
    31
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    Humidity
    83%
    84%
    84%
    84%
    84%
    84%
    84%
    83%
    84%
    84%
    84%
    84%
    83%
    82%
    82%
    81%
    81%
    81%
    82%
    81%
    81%
    81%
    81%
    81%
    UV - - - - - - 1 1 2 6 9 10 10 9 7 4 2 1 1 - - - - -
    Sunday (21 September 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Overcast Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Overcast 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)
    13°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    Wind direction and speed (mph)
    SE
    23
    SE
    24
    SE
    25
    SE
    25
    SE
    25
    SE
    25
    SE
    25
    SE
    25
    Wind gust (mph)
    33
    34
    34
    34
    34
    35
    34
    34
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    Humidity
    83%
    83%
    81%
    79%
    80%
    79%
    78%
    77%
    UV - - 1 6 11 5 1 -
    Monday (22 September 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Overcast Overcast Overcast Cloudy Sunny intervals Overcast Overcast 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)
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    Wind direction and speed (mph)
    ESE
    24
    ESE
    24
    ESE
    24
    ESE
    24
    ESE
    24
    SE
    23
    SE
    23
    SE
    23
    Wind gust (mph)
    33
    33
    34
    34
    33
    32
    32
    33
    Visibility (description)
    VG
    G
    VG
    VG
    VG
    VG
    G
    VG
    Humidity
    78%
    77%
    75%
    75%
    75%
    75%
    75%
    75%
    UV - - 1 5 10 5 1 -

    UK video forecast

    weather map
    Forecast
    Forecast for 13:00 (UTC), Tue
    Updated 13:28 (UTC+1) on Tue 16 Sep 2025
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