Point Forecast: 4 Miles S Clayton CA
 37.87N 121.92W (Elev. 2818 ft)
Last Update: 6:22 am 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  

Date07/16
Hour (PDT)000102030405060708091011121314151617181920212223
Temperature (°F)666666676665646362646565666768686766656464646464
Dewpoint (°F)424040404241404038414345464849484543424141404040
Heat Index (°F)
Surface Wind (mph)11111111111110998777710101011111111111110
Wind DirSSWSSWSSWSSWSSWSSWSSWSWSWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSW
Gust23232222222222201820202022222223232322
Sky Cover (%)545454545416161485200011111144414
Precipitation Potential (%)31313131310000000000001111111
Relative Humidity (%)423939374141414242434548505050484643434343434241
RainChcChcChcChcChc--------------------------------------
Thunder------------------------------------------------
Snow------------------------------------------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

Date07/17
Hour (PDT)000102030405060708091011121314151617181920212223
Temperature (°F)656565656464646566676768697071717070686766656566
Dewpoint (°F)403939383838383940414344464748474645444241404040
Heat Index (°F)
Surface Wind (mph)101099999988877710101011111110101010
Wind DirWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWWWWWWWWWWSWWSWWSWWSW
Gust222220202018181820202022222222222222
Sky Cover (%)141421212126262616161611100011122210
Precipitation Potential (%)111110000000000000000000
Relative Humidity (%)403838383838383838404243444444434241414140403938
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