Point Forecast: 4 Miles SW Mount Hamilton CA
 37.3N 121.69W (Elev. 1401 ft)
Last Update: 1:26 pm PDT Jul 16, 2025
Tabular Forecast
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Weather ElementsWeather/Precipitation
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)
Rain
Thunder
Fog
Trans. Wind  
20ft Wind  

48-Hour Period Starting:       Back 2 Days  

Date07/1607/17
Hour (PDT)151617181920212223000102030405060708091011121314
Temperature (°F)828180787469635856545352515151505155606772778082
Dewpoint (°F)555657575656545352504949484847464850505354565555
Heat Index (°F)81818078778081
Surface Wind (mph)776653322222211122235566
Wind DirSWWSWWSWWSWWSWWSWSSWSSSESSESSESSESSESSESSESESSSSSWSSWSWSWWSW
Gust
Sky Cover (%)000011333477131313201714810010
Precipitation Potential (%)000000001111110000000000
Relative Humidity (%)404346485463748388888888888888888883716053474339
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/18
Hour (PDT)151617181920212223000102030405060708091011121314
Temperature (°F)848382807570646057555453525151525457626874788182
Dewpoint (°F)565758585756565453515049484747474749515354545454
Heat Index (°F)8382828175788081
Surface Wind (mph)666653222221111112225556
Wind DirWWWWWWWSWWSWSWSWSWSWSWSWWWWWSWWSWWSWWSWWSWWSWW
Gust
Sky Cover (%)000001333338881717171414141111
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)394144485461748185878685868685837974665850443937
Rain------------------------------------------------
Thunder------------------------------------------------

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