Simi Valley (United States of America) weather

Forecast days

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

    7 day forecast for Simi Valley

    Today (17 September 2026)
    Time
    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 Sunny intervals Sunny intervals Sunny day Sunny day Sunny day Sunny day Sunny day Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature
    22°
    22°
    23°
    23°
    23°
    22°
    21°
    20°
    19°
    18°
    18°
    17°
    Feels like temperature (°C)
    21°
    22°
    22°
    22°
    22°
    21°
    20°
    19°
    18°
    18°
    17°
    17°
    Wind direction and speed
    S
    5
    S
    6
    SSW
    7
    SW
    8
    SW
    8
    WSW
    8
    WSW
    8
    WSW
    8
    WSW
    7
    W
    6
    W
    5
    W
    4
    Wind gust (mph)
    16
    17
    19
    19
    19
    19
    17
    15
    13
    12
    10
    8
    Visibility
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    56%
    54%
    48%
    50%
    52%
    55%
    58%
    65%
    73%
    76%
    78%
    84%
    UV 6 7 7 5 3 1 - - - - - -
    Friday (18 September 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 Clear night Clear night Clear night Partly cloudy night Clear night Clear night Clear night 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 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)
    17°
    16°
    16°
    15°
    15°
    14°
    14°
    14°
    16°
    17°
    19°
    21°
    23°
    24°
    25°
    25°
    25°
    24°
    22°
    20°
    19°
    18°
    18°
    17°
    Feels like temperature (°C)
    17°
    17°
    16°
    16°
    15°
    15°
    14°
    14°
    16°
    18°
    20°
    22°
    23°
    23°
    24°
    23°
    23°
    22°
    21°
    20°
    19°
    19°
    18°
    18°
    Wind direction and speed (mph)
    W
    3
    W
    3
    W
    2
    W
    2
    WNW
    2
    NNW
    2
    N
    2
    N
    2
    NNE
    1
    NNE
    1
    S
    2
    SSW
    3
    SSW
    6
    SW
    8
    SW
    8
    SW
    9
    WSW
    9
    WSW
    8
    WSW
    8
    WSW
    6
    WSW
    5
    WSW
    3
    SW
    2
    S
    1
    Wind gust (mph)
    7
    6
    5
    4
    4
    4
    4
    4
    5
    5
    7
    13
    17
    19
    21
    21
    19
    18
    15
    12
    9
    6
    4
    3
    Visibility (description)
    VG
    G
    G
    G
    G
    G
    M
    M
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    Humidity
    85%
    89%
    92%
    93%
    94%
    95%
    95%
    95%
    87%
    78%
    67%
    58%
    54%
    44%
    41%
    42%
    42%
    45%
    55%
    64%
    73%
    79%
    85%
    89%
    UV - - - - - - - 1 2 3 6 8 9 8 7 5 3 1 - - - - - -
    Saturday (19 September 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 Clear night Clear night Clear night Clear night Clear night Clear night Clear night 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 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)
    16°
    16°
    15°
    15°
    14°
    14°
    14°
    14°
    16°
    19°
    21°
    23°
    26°
    27°
    28°
    27°
    27°
    26°
    24°
    22°
    20°
    19°
    18°
    18°
    Feels like temperature (°C)
    17°
    17°
    16°
    15°
    15°
    14°
    14°
    14°
    16°
    19°
    22°
    24°
    25°
    26°
    26°
    26°
    25°
    24°
    23°
    21°
    20°
    20°
    19°
    18°
    Wind direction and speed (mph)
    SSE
    1
    SE
    1
    E
    1
    ENE
    1
    ENE
    2
    NE
    2
    NE
    3
    NE
    3
    ENE
    2
    E
    1
    SSE
    2
    SSW
    3
    SW
    5
    SW
    7
    SW
    9
    WSW
    10
    WSW
    10
    WSW
    8
    WSW
    7
    WSW
    6
    WSW
    4
    WSW
    3
    WSW
    3
    SW
    2
    Wind gust (mph)
    3
    3
    3
    3
    4
    4
    4
    5
    5
    5
    7
    13
    17
    20
    21
    21
    20
    17
    15
    11
    8
    6
    5
    5
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    91%
    92%
    92%
    92%
    92%
    92%
    91%
    89%
    77%
    66%
    60%
    52%
    42%
    40%
    40%
    40%
    41%
    43%
    47%
    58%
    68%
    79%
    84%
    85%
    UV - - - - - - - 1 2 3 6 8 8 8 7 5 3 1 - - - - - -
    Sunday (20 September 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 Clear night Clear night Clear night Clear night Clear night Clear night Clear night Sunny intervals Sunny intervals Sunny day Sunny day Sunny day Sunny intervals Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Clear night Clear night Clear 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°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    17°
    18°
    20°
    22°
    23°
    24°
    25°
    25°
    25°
    25°
    23°
    21°
    20°
    19°
    18°
    17°
    Feels like temperature (°C)
    18°
    17°
    17°
    16°
    16°
    16°
    16°
    17°
    18°
    19°
    21°
    22°
    24°
    24°
    25°
    25°
    25°
    24°
    23°
    21°
    20°
    19°
    19°
    18°
    Wind direction and speed (mph)
    SSW
    2
    S
    2
    SSE
    1
    SE
    1
    SSE
    1
    E
    2
    E
    2
    ESE
    2
    E
    2
    ESE
    3
    SE
    3
    SSE
    4
    SSE
    4
    S
    5
    SSW
    6
    SW
    6
    SW
    6
    SW
    7
    SW
    6
    WSW
    6
    WSW
    5
    WSW
    4
    SW
    3
    WSW
    3
    Wind gust (mph)
    4
    4
    4
    3
    4
    4
    5
    5
    7
    9
    10
    12
    13
    14
    16
    17
    16
    15
    13
    11
    9
    8
    7
    6
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    Humidity
    89%
    92%
    93%
    95%
    96%
    96%
    96%
    96%
    92%
    84%
    74%
    66%
    62%
    57%
    53%
    48%
    49%
    50%
    59%
    69%
    77%
    84%
    87%
    91%
    UV - - - - - - - 1 1 3 3 6 5 6 6 5 3 1 - - - - - -
    Monday (21 September 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
    20:00
    23:00
    Weather symbols Partly cloudy night Cloudy Overcast Overcast Overcast Overcast Overcast Overcast Overcast Sunny intervals Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day 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%
    Temperature (°C)
    17°
    17°
    17°
    16°
    16°
    17°
    16°
    16°
    17°
    18°
    20°
    21°
    23°
    24°
    25°
    25°
    24°
    23°
    19°
    17°
    Feels like temperature (°C)
    18°
    18°
    18°
    17°
    17°
    17°
    17°
    17°
    18°
    19°
    20°
    22°
    23°
    24°
    24°
    24°
    23°
    22°
    19°
    17°
    Wind direction and speed (mph)
    WSW
    3
    SW
    3
    WSW
    2
    SW
    2
    SW
    2
    SW
    1
    E
    2
    ENE
    2
    E
    2
    SSE
    2
    S
    3
    S
    3
    SSW
    5
    SSW
    7
    SW
    8
    SW
    8
    SW
    8
    WSW
    8
    WSW
    5
    SW
    2
    Wind gust (mph)
    6
    5
    4
    4
    4
    4
    4
    5
    7
    8
    11
    14
    16
    18
    19
    19
    19
    17
    9
    4
    Visibility (description)
    G
    G
    G
    M
    M
    M
    M
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    Humidity
    92%
    93%
    94%
    95%
    96%
    95%
    95%
    95%
    90%
    83%
    75%
    66%
    56%
    53%
    50%
    51%
    54%
    57%
    80%
    91%
    UV - - - - - - - 1 1 3 5 7 8 8 7 5 3 1 - -
    Tuesday (22 September 2026)
    Time
    02:00
    05:00
    08:00
    11:00
    14:00
    17:00
    20:00
    23:00
    Weather symbols Clear night Clear night Sunny day Sunny day Sunny day Sunny day Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    15°
    15°
    16°
    22°
    26°
    25°
    20°
    17°
    Feels like temperature (°C)
    16°
    15°
    17°
    22°
    25°
    24°
    20°
    18°
    Wind direction and speed (mph)
    S
    1
    E
    1
    ENE
    2
    SSW
    3
    SW
    8
    WSW
    7
    WSW
    4
    S
    2
    Wind gust (mph)
    4
    4
    6
    13
    18
    16
    8
    5
    Visibility (description)
    G
    M
    M
    VG
    VG
    VG
    VG
    G
    Humidity
    95%
    96%
    90%
    62%
    47%
    51%
    74%
    87%
    UV - - 1 7 7 1 - -
    Wednesday (23 September 2026)
    Time
    02:00
    05:00
    08:00
    11:00
    14:00
    17:00
    20:00
    23:00
    Weather symbols Clear night Clear night Sunny day Sunny day Sunny day Sunny day Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    16°
    16°
    17°
    25°
    28°
    27°
    22°
    19°
    Feels like temperature (°C)
    17°
    16°
    18°
    25°
    27°
    27°
    23°
    20°
    Wind direction and speed (mph)
    SSE
    2
    E
    2
    ENE
    2
    SSW
    3
    SW
    7
    WSW
    7
    SW
    4
    S
    3
    Wind gust (mph)
    4
    5
    9
    14
    18
    16
    8
    5
    Visibility (description)
    G
    M
    G
    VG
    VG
    VG
    VG
    VG
    Humidity
    92%
    94%
    80%
    54%
    43%
    46%
    64%
    81%
    UV - - 1 7 7 1 - -

    UK video forecast

    weather map
    Forecast
    Forecast for 1pm (UTC-7) Thursday
    Updated 13:34 (UTC+1) on Thu 17 Sep 2026
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