Point Forecast: 4 Miles S Clayton CA
 37.87N 121.92W (Elev. 2818 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  

Date07/1707/18
Hour (PDT)030405060708091011121314151617181920212223000102
Temperature (°F)666666666566666767686970727070696766646565666667
Dewpoint (°F)414241414041424245484848484646454342404140404040
Heat Index (°F)
Surface Wind (mph)999998777791010101110101010101010109
Wind DirSWSWSWSWSWSSWSWSWSSWSWSWSWWSWWSWSWWSWWSWWSWWSWWSWWSWWSWWSWWSW
Gust2018181818202122212121212121212118
Sky Cover (%)2734332923197500111112112588812
Precipitation Potential (%)446666660000001111112222
Relative Humidity (%)394040404040404045484644444242424242424240393938
Rain------------------------------------------------
Thunder------------------------------------------------
Snow------------------------------------------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

Date07/19
Hour (PDT)030405060708091011121314151617181920212223000102
Temperature (°F)676767676767676868697071727170696866656464646465
Dewpoint (°F)404040404040424345464747474645434240393737363737
Heat Index (°F)
Surface Wind (mph)9910101099988810101010101010101010101010
Wind DirWSWWSWWSWWSWWSWWSWWSWWSWWWWWWWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSW
Gust181818181818181820202021212121212122222222
Sky Cover (%)121217171714141422211122255519191921
Precipitation Potential (%)222222220000000000000000
Relative Humidity (%)383737373637394143434342424140403938383737363635
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