Point Forecast: 4 Miles S Clayton CA
 37.87N 121.95W (Elev. 1509 ft)
Last Update: 4:12 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  

Date07/1607/17
Hour (PDT)212223000102030405060708091011121314151617181920
Temperature (°F)646160595857575756555458606670767980828180777370
Dewpoint (°F)494949494949494848484750515352545454555454545351
Heat Index (°F)76798081818077
Surface Wind (mph)877776666666677789999877
Wind DirSWSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSWSWSWSWWSWWSWWSWWSWWSWWSWWSWWSW
Gust1818181818181818
Sky Cover (%)44445056564346455563656147251110111112
Precipitation Potential (%)224444446666660000001111
Relative Humidity (%)586467707475737276767675736453474240404040454951
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/18
Hour (PDT)212223000102030405060708091011121314151617181920
Temperature (°F)666361605857565555555658626872767981828281787571
Dewpoint (°F)494848484848474646464849515252535353525251504948
Heat Index (°F)7679808181807975
Surface Wind (mph)777776667777777779998887
Wind DirWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWWWWWWWSWWSWWSWWSW
Gust181818
Sky Cover (%)7111414141414143030303131313331112226
Precipitation Potential (%)112222222222220000000000
Relative Humidity (%)545962656870717171727371655750454138363535374145
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