Point Forecast: 4 Miles S Clayton CA
 37.87N 121.92W (Elev. 859 m)
Last Update: 2:42 pm PDT Jul 13, 2025
Tabular Forecast
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Weather ElementsWeather/Precipitation
Temperature (°C)
Dewpoint (°C)
Heat Index (°C)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)
Rain
Thunder
Fog
Trans. Wind  
20ft Wind  

48-Hour Period Starting:       Back 2 Days  

Date07/1307/14
Hour (PDT)161718192021222300010203040506070809101112131415
Temperature (°C)242524232222222222212121212021222324242425252626
Dewpoint (°C)776544434322323346679988
Heat Index (°C)24252424242425252626
Surface Wind (mph)1010101010101010999999988777791010
Wind DirWSWWSWWSWWSWWSWWSWWSWWSWSWSWWSWSWSWWSWSWWSWWSWWSWWSWSWWSWWSWWSWWSW
Gust
Sky Cover (%)111012122112333331101111
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)313131313131313031303028303030303030303235353232
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/15
Hour (PDT)161718192021222300010203040506070809101112131415
Temperature (°C)262524222121212121202019191919192021212122222222
Dewpoint (°C)877644433333445666778999
Heat Index (°C)262524
Surface Wind (mph)101010101010101010101010101010101010101010101111
Wind DirWSWWSWWSWWSWWSWWSWSWSWSWSWSWSWSWSWSWSWWSWWSWWSWWSWWSWWSWWSWWSW
Gust
Sky Cover (%)112111355566677777722211
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)333232333334333232323234373940393939404041424344
Rain------------------------------------------------
Thunder------------------------------------------------

Additional Forecasts and Information
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7-Day ForecastHourly Weather Graph
River Stage Summary24 Hour Precipitation Summary
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