Point Forecast: 2 Miles WSW Portola Valley CA
 37.37N 122.25W (Elev. 1473 ft)
Last Update: 1:37 pm PST Feb 16, 2025
Tabular Forecast
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Weather ElementsWeather/Precipitation
Temperature (°F)
Dewpoint (°F)
Wind Chill (°F)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)
Rain
Thunder
Snow
Freezing Rain
Sleet
Fog
Lightning Activity Level
Trans. Wind  
20ft Wind  

48-Hour Period Starting:       Back 2 Days  

Date02/1602/17
Hour (PST)141516171819202122230001020304050607080910111213
Temperature (°F)535250504949494948484746454545444444454647485050
Dewpoint (°F)444445464545454544444343424241404142424343424242
Wind Chill (°F)50504848474746454443424242404141424244454646
Surface Wind (mph)322233556666666666677899
Wind DirWSWWSWWSWWSWWSWWWWWWNWWNWNWNWNWNNWNWNWNNWNNWNNWNNWNNWNNWNNW
Gust1818
Sky Cover (%)808787869083807469705659647275707884847271687256
Precipitation Potential (%)10106666661111112222222222
Relative Humidity (%)727682858585858587888789888987878890888885807573
Rain------------------------------------------------
Thunder------------------------------------------------
Snow------------------------------------------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

Date02/18
Hour (PST)141516171819202122230001020304050607080910111213
Temperature (°F)505049484646454545454545444443434343444648505354
Dewpoint (°F)424242414040404040404040403939393939404141424243
Wind Chill (°F)47464544414140394040404040394039394142444750
Surface Wind (mph)9101010101010109998886665553336
Wind DirNWNWNWNWNWNWNWNWNWNWNWNWNWNWNNNNNNNNNNW
Gust20212120181818
Sky Cover (%)424446434743444138383839393941414149494933333345
Precipitation Potential (%)220000000000000000001111
Relative Humidity (%)737375777881828382828384848484858686848177736865
Rain------------------------------------------------
Thunder------------------------------------------------
Snow------------------------------------------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

Additional Forecasts and Information
International System of UnitsForecast Discussion
7-Day ForecastHourly Weather Graph
River Stage Summary24 Hour Precipitation Summary
NWS Office Map