Point Forecast: 4 Miles W Mount Hamilton CA
 37.34N 121.73W (Elev. 2011 ft)
Last Update: 2:42 pm PDT Jul 13, 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  

Date07/1307/14
Hour (PDT)161718192021222300010203040506070809101112131415
Temperature (°F)858583797469656261605959595859606571747882848688
Dewpoint (°F)575859575755545251504848474647484953545456545455
Heat Index (°F)858483807881838486
Surface Wind (mph)765222221111111112356667
Wind DirWWWWWWSWSSWSSNWNWENSSSSWSWSWWSWWSWWSWWWW
Gust
Sky Cover (%)000012212325779987000110
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)394044475562687070706666656365645853494540363333
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/15
Hour (PDT)161718192021222300010203040506070809101112131415
Temperature (°F)878684807468646260585856565656586164687276788081
Dewpoint (°F)565657575655545251494847464545464850515253535354
Heat Index (°F)8585838076788080
Surface Wind (mph)776322222211122222266677
Wind DirWWWWWWSWWSWSWSWSWSSWSSWSSWSSSSSWSSWSSWSWSWSWSWSW
Gust
Sky Cover (%)000013322244411111114141411111
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)353641465364697172727070696867656359544945424039
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