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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: 21:24 2024/11/23
    clear sky 9 °C
    Wind 5 km/h
     
    Humidity 87 %
    Visibility 16 km
    Clouds 0 %

    Calculated from nearby stations (21:15 2024/11/23)

    Weather for the next 24 hours

    22:0023:0000:00 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 tomorrow22:00 tomorrow
    clear sky
    9 °C
    0 mm
    0 %
    SW
    13 km/h
    		 clear sky
    9 °C
    0 mm
    0 %
    SW
    10 km/h
    		 clear sky
    8 °C
    0 mm
    0 %
    SW
    11 km/h
    		 clear sky
    8 °C
    0 mm
    0 %
    SW
    13 km/h
    		 clear sky
    8 °C
    0 mm
    0 %
    SW
    11 km/h
    		 high clouds
    8 °C
    0 mm
    0 %
    SW
    14 km/h
    		 high clouds
    8 °C
    0 mm
    0 %
    SW
    14 km/h
    		 clear sky
    8 °C
    0 mm
    0 %
    SW
    14 km/h
    		 clear sky
    8 °C
    0 mm
    0 %
    SW
    11 km/h
    		 clear sky
    8 °C
    0 mm
    0 %
    SW
    13 km/h
    		 clear sky
    9 °C
    0 mm
    0 %
    SW
    10 km/h
    		 overcast
    10 °C
    0 mm
    0 %
    S
    14 km/h
    		 partly cloudy
    11 °C
    0 mm
    0 %
    SW
    17 km/h
    		 overcast
    13 °C
    0 mm
    0 %
    SW
    15 km/h
    		 overcast
    12 °C
    0 mm
    0 %
    SW
    15 km/h
    		 overcast
    12 °C
    0 mm
    10 %
    S
    14 km/h
    		 overcast with rain
    12 °C
    2 mm
    50 %
    S
    24 km/h
    		 overcast with rain
    11 °C
    0.9 mm
    50 %
    S
    11 km/h
    		 overcast with rain
    10 °C
    0.5 mm
    50 %
    S
    9 km/h
    		 overcast
    10 °C
    0 mm
    0 %
    SW
    15 km/h
    		 overcast
    10 °C
    0 mm
    10 %
    SW
    17 km/h
    		 overcast
    10 °C
    0 mm
    10 %
    SW
    15 km/h
    		 overcast
    10 °C
    0 mm
    10 %
    SW
    17 km/h
    		 clear sky with few clouds
    10 °C
    0 mm
    10 %
    SW
    17 km/h
    		 high clouds
    9 °C
    0 mm
    10 %
    SW
    16 km/h

    Forecast

    01:0004:0007:0010:0013:0016:0019:0022:00
    clear sky
    8 °C
    0 mm
    0 %
    SW
    13 km/h
    		 high clouds
    8 °C
    0 mm
    0 %
    SW
    14 km/h
    		 clear sky
    8 °C
    0 mm
    0 %
    SW
    13 km/h
    		 partly cloudy
    11 °C
    0 mm
    0 %
    SW
    17 km/h
    		 overcast
    12 °C
    0 mm
    10 %
    S
    14 km/h
    		 overcast with rain
    10 °C
    3.4 mm
    50 %
    S
    9 km/h
    		 overcast
    10 °C
    0 mm
    10 %
    SW
    15 km/h
    		 high clouds
    9 °C
    0 mm
    10 %
    SW
    16 km/h

    Meteogram

    981076434612111212131412121212131415141615161616
    18
    16
    14
    12
    10
    8
    6
    4
    2
    Sa
    23
    clear sky with few clouds    		Su
    24
    overcast with rain    		Mo
    25
    overcast with rain    		Tu
    26
    mostly cloudy    		We
    27
    clear sky with few clouds    		Th
    28
    clear sky    		Fr
    29
    clear sky    		Sa
    30
    clear sky    		Su
    01
    overcast    		Mo
    02
    partly cloudy    		Tu
    03
    clear sky    		We
    04
    partly cloudy    		Th
    05
    high clouds    		Fr
    06
    high clouds

    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