Point Forecast: 4 Miles S Clayton CA
 37.87N 121.95W (Elev. 1509 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)141516171819202122230001020304050607080910111213
Temperature (°F)808280797671696663616058575656555455576064697376
Dewpoint (°F)545655545553514948484948484747474647495052525453
Heat Index (°F)808280797676
Surface Wind (mph)1010101099888877777777777789
Wind DirSWSWSWSWSWSWSWSSWSSWSSWSSSWSSSSSSSSWSSWSSWSWSWSW
Gust212122212120202020181818181818181818
Sky Cover (%)01111131418262532354750545558503211111
Precipitation Potential (%)000222222111111111111000
Relative Humidity (%)404042434852535659636769727272737575757265555046
Rain------------------------------------------------
Thunder------------------------------------------------
Snow------------------------------------------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

Date07/17
Hour (PDT)141516171819202122230001020304050607080910111213
Temperature (°F)777877767470676462605958575655555556596369747881
Dewpoint (°F)545453535452505049484848484746464648495253545555
Heat Index (°F)777877767880
Surface Wind (mph)1010101098887777666666666777
Wind DirSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWWW
Gust182121202018181818
Sky Cover (%)01121141418222222202020393939303030222
Precipitation Potential (%)000111111111111000000000
Relative Humidity (%)444444454854555862646768707071717272706558514541
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