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    • Wind animation
    GFS, ICON, GEM
    A new global model from the South Korea Meteorological Institute KMA

    Portola Valley

    United States / Lat.: 37°23'N / Lon.: 122°14'W / Altitude: 138 m
    Timezone: America/Los_Angeles (UTC-8) / Current time: 20:40 2024/12/26
    overcast with rain 12 °C
    Wind 7 km/h
     
    Humidity 94 %
    Visibility 16 km
    Clouds 80 %
    Cloud base 1981 m

    Calculated from nearby stations (19:47 2024/12/26)

    Weather for the next 24 hours

    21:0022:0023:0000:00 tomorrow01:00 tomorrow02:00 tomorrow03:00 tomorrow04:00 tomorrow05:00 tomorrow06:00 tomorrow07:00 tomorrow08:00 tomorrow09:00 tomorrow10:00 tomorrow11:00 tomorrow12:00 tomorrow13:00 tomorrow14:00 tomorrow15:00 tomorrow16:00 tomorrow17:00 tomorrow18:00 tomorrow19:00 tomorrow20:00 tomorrow21:00 tomorrow
    overcast
    12 °C
    0 mm
    50 %
    SW
    15 km/h
    		 overcast with light rain
    12 °C
    0.2 mm
    100 %
    SW
    6 km/h
    		 overcast with rain
    12 °C
    2 mm
    100 %
    S
    18 km/h
    Gust:
    43 km/h
    		 overcast with rain
    13 °C
    2 mm
    100 %
    SW
    29 km/h
    Gust:
    61 km/h
    		 overcast with heavy rain
    13 °C
    5 mm
    100 %
    SW
    30 km/h
    Gust:
    61 km/h
    		 overcast with rain
    13 °C
    2 mm
    100 %
    W
    28 km/h
    Gust:
    58 km/h
    		 overcast with rain
    13 °C
    0.5 mm
    100 %
    W
    26 km/h
    Gust:
    54 km/h
    		 overcast with rain
    13 °C
    1 mm
    90 %
    W
    24 km/h
    Gust:
    50 km/h
    		 overcast with rain
    13 °C
    3 mm
    70 %
    W
    21 km/h
    Gust:
    47 km/h
    		 overcast with rain
    13 °C
    1 mm
    60 %
    W
    19 km/h
    Gust:
    43 km/h
    		 overcast with rain
    13 °C
    0.9 mm
    60 %
    W
    15 km/h
    		 overcast with light rain
    13 °C
    0.2 mm
    60 %
    W
    7 km/h
    		 overcast with light rain
    13 °C
    0.1 mm
    60 %
    W
    9 km/h
    		 overcast
    13 °C
    0 mm
    10 %
    NW
    8 km/h
    		 overcast
    14 °C
    0 mm
    10 %
    W
    9 km/h
    		 overcast
    14 °C
    0 mm
    0 %
    W
    14 km/h
    		 overcast
    14 °C
    0 mm
    0 %
    W
    14 km/h
    		 high clouds
    13 °C
    0 mm
    10 %
    W
    14 km/h
    		 high clouds
    13 °C
    0 mm
    0 %
    SW
    13 km/h
    		 high clouds
    13 °C
    0 mm
    10 %
    SW
    12 km/h
    		 high clouds
    12 °C
    0 mm
    10 %
    SW
    8 km/h
    		 high clouds
    11 °C
    0 mm
    10 %
    SW
    8 km/h
    		 high clouds
    11 °C
    0 mm
    10 %
    SW
    6 km/h
    		 overcast
    11 °C
    0 mm
    10 %
    SW
    8 km/h
    		 overcast
    12 °C
    0 mm
    10 %
    SW
    9 km/h

    Forecast

    01:0004:0007:0010:0013:0016:0019:0022:00
    overcast with rain
    13 °C
    9 mm
    100 %
    SW
    30 km/h
    Gust:
    61 km/h
    		 overcast with rain
    13 °C
    3.5 mm
    100 %
    W
    24 km/h
    Gust:
    50 km/h
    		 overcast with rain
    13 °C
    4.9 mm
    70 %
    W
    15 km/h
    		 overcast with light rain
    13 °C
    0.3 mm
    60 %
    NW
    8 km/h
    		 overcast
    14 °C
    0 mm
    10 %
    W
    14 km/h
    		 high clouds
    13 °C
    0 mm
    10 %
    SW
    12 km/h
    		 high clouds
    11 °C
    0 mm
    10 %
    SW
    6 km/h
    		 high clouds
    12 °C
    0 mm
    10 %
    SW
    16 km/h

    Meteogram

    91111942469778871514141412111315141212131313
    17
    15
    13
    11
    9
    7
    5
    3
    1
    Th
    26
    overcast with light rain    		Fr
    27
    overcast with light rain    		Sa
    28
    partly cloudy    		Su
    29
    mixed with rain showers    		Mo
    30
    clear sky    		Tu
    31
    clear sky    		We
    01
    clear sky with few clouds    		Th
    02
    clear sky    		Fr
    03
    partly cloudy    		Sa
    04
    high clouds    		Su
    05
    clear sky with few clouds    		Mo
    06
    clear sky    		Tu
    07
    high clouds    		We
    08
    clear sky

    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