• Login
  • Premium
  • myVentusky
  • About
  • Wind Animation
    ECMWF, GFS, ICON, GEM
    New: ECMWF model in high resolution with hourly forecast steps ECMWF

    South San Francisco

    World / United States / California

    37°39'N / 122°25'W / Altitude 8 m / 04:29 2025/12/18, America/Los_Angeles (UTC-8)

    overcast 6 °C
    Wind speed 0 km/h
     
    Humidity 100 %
    Visibility 10 km
    Clouds 80 %
    Cloud base 121 m

    Calculated from nearby stations (04:15 2025/12/18)

    Open Radar Map

    Weather for the next 24 hours

    05:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:0000:00 tomorrow01:00 tomorrow02:00 tomorrow03:00 tomorrow04:00 tomorrow05:00 tomorrow
    high clouds
    8 °C
    0 mm
    0 %
    NW
    4 km/h
    high clouds
    7 °C
    0 mm
    0 %
    NW
    1 km/h
    overcast
    8 °C
    0 mm
    0 %
    NW
    1 km/h
    overcast
    8 °C
    0 mm
    0 %
    SW
    6 km/h
    fog
    10 °C
    0 mm
    0 %
    SW
    1 km/h
    overcast
    11 °C
    0 mm
    0 %
    SE
    1 km/h
    high clouds
    13 °C
    0 mm
    0 %
    E
    3 km/h
    high clouds
    13 °C
    0 mm
    0 %
    E
    5 km/h
    high clouds
    14 °C
    0 mm
    0 %
    E
    5 km/h
    high clouds
    15 °C
    0 mm
    0 %
    E
    5 km/h
    overcast
    15 °C
    0 mm
    0 %
    E
    3 km/h
    high clouds
    15 °C
    0 mm
    0 %
    NW
    7 km/h
    high clouds
    12 °C
    0 mm
    0 %
    NW
    7 km/h
    overcast
    12 °C
    0 mm
    0 %
    NW
    7 km/h
    overcast
    12 °C
    0 mm
    0 %
    NW
    7 km/h
    overcast
    13 °C
    0 mm
    0 %
    NW
    9 km/h
    overcast
    12 °C
    0 mm
    0 %
    SW
    1 km/h
    overcast
    12 °C
    0 mm
    10 %
    NW
    1 km/h
    overcast
    12 °C
    0 mm
    10 %
    SW
    1 km/h
    overcast
    11 °C
    0 mm
    0 %
    SE
    1 km/h
    high clouds
    11 °C
    0 mm
    10 %
    SE
    1 km/h
    overcast
    10 °C
    0 mm
    10 %
    SE
    1 km/h
    high clouds
    10 °C
    0 mm
    10 %
    NE
    1 km/h
    overcast
    10 °C
    0 mm
    10 %
    NW
    1 km/h
    overcast
    11 °C
    0 mm
    20 %
    S
    5 km/h

    Forecast

    01:0004:0007:0010:0013:0016:0019:0022:00
    high clouds
    11 °C
    0 mm
    10 %
    SE
    1 km/h
    overcast
    10 °C
    0 mm
    10 %
    NW
    1 km/h
    overcast
    10 °C
    0 mm
    20 %
    SW
    1 km/h
    overcast
    15 °C
    0 mm
    30 %
    SW
    9 km/h
    overcast
    15 °C
    0 mm
    40 %
    SW
    8 km/h
    overcast with rain
    14 °C
    1.1 mm
    90 %
    S
    3 km/h
    overcast with light rain
    13 °C
    0.1 mm
    90 %
    SE
    8 km/h
    overcast with rain
    13 °C
    1.4 mm
    90 %
    E
    3 km/h

    Meteogram

    8101314131010121111101011111515151616151514131312121314
    17
    15
    13
    11
    9
    7
    Th
    18
    mostly cloudy
    Fr
    19
    overcast with light rain
    Sa
    20
    overcast with rain
    Su
    21
    overcast
    Mo
    22
    overcast
    Tu
    23
    overcast with rain
    We
    24
    mostly cloudy
    Th
    25
    mixed with rain showers
    Fr
    26
    mixed with rain showers
    Sa
    27
    mixed with rain showers
    Su
    28
    mostly cloudy
    Mo
    29
    partly cloudy
    Tu
    30
    overcast
    We
    31
    overcast

    Air quality (AQI)


    Air quality index (marked as AQI) is developed by Environmental Protection Agency. Values over 300 represents hazardous air quality, between 200-300 very unhealthy, 150-200 unhealthy, 100-150 unhealthy for sensitive groups and below 100 or rather below 50 the air quality is good.

    Sun and Moon

    Heading: Time:
    Phase: Altitude:


    Heading: Time:
    Illumination: Altitude:


    Date rise set rise Illumination


    Phase Time Length