Point Forecast: Mount Hamilton CA
 37.33N 121.61W (Elev. 3786 ft)
Last Update: 1:26 pm PDT Jul 15, 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  

Date07/1507/16
Hour (PDT)212223000102030405060708091011121314151617181920
Temperature (°F)707069686666656464636465656769707272727372707169
Dewpoint (°F)434038393838383838383940404042444546464645444443
Heat Index (°F)
Surface Wind (mph)666666666655555566667666
Wind DirSSWSSWSWSSWSWSWSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSWSWSWWSWWSWWSWWSWWSW
Gust
Sky Cover (%)222333443532200001000101
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)383333353635373738404040393737383840403939393939
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/17
Hour (PDT)212223000102030405060708091011121314151617181920
Temperature (°F)676767666565646363646566687072737374747575747271
Dewpoint (°F)424141404039383838383940404142434445464646454443
Heat Index (°F)7575
Surface Wind (mph)555553332222223336666666
Wind DirWSWWSWSWSWSWWSWWSWWSWSWSWSWSSWSSWSSWSWSWSWWSWWSWWSWWSWWSWWSWWSW
Gust
Sky Cover (%)333335557774441111111113
Precipitation Potential (%)000000002222220000000000
Relative Humidity (%)393939393939393939393837363534343536363636363636
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