Point Forecast: 4 Miles S Clayton CA
 37.87N 121.92W (Elev. 2818 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)181920212223000102030405060708091011121314151617
Temperature (°F)706866666566666666666665646362646464656667686766
Dewpoint (°F)474442414141414040404241404039404244474848494444
Heat Index (°F)
Surface Wind (mph)1311111111111111111111111010998891010111111
Wind DirSWSWSWSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSWSWSWWSWWSWSW
Gust2423242424242323232323222220201821222222
Sky Cover (%)1024413131715142119283113530011111
Precipitation Potential (%)222221111111111110000001
Relative Humidity (%)434341404240414039374242424242434548545250504444
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/17
Hour (PDT)181920212223000102030405060708091011121314151617
Temperature (°F)666464626364656666666666666666676869707172727170
Dewpoint (°F)434242404040404040404040393940424446474848484745
Heat Index (°F)
Surface Wind (mph)111111111110101099999988877710101011
Wind DirWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWWWWWWW
Gust222223232322222220202018181818181821
Sky Cover (%)212491414141818182020201717171110001
Precipitation Potential (%)111111111110000000000000
Relative Humidity (%)444444434241404039393838383838404143434343434241
Rain------------------------------------------------
Thunder------------------------------------------------

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