Point Forecast: 4 Miles S Clayton CA
 37.87N 121.92W (Elev. 2818 ft)
Last Update: 1:26 am PDT Jul 13, 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  

Date07/1307/14
Hour (PDT)070809101112131415161718192021222300010203040506
Temperature (°F)707173737375767778777776747271707170717070706870
Dewpoint (°F)393740434549494949454544424040393839383736373537
Heat Index (°F)75767778777776
Surface Wind (mph)1099889101010101010101010101010999999
Wind DirSWSWSWSWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWSWWSWWSWWSWWSWWSW
Gust181820212121212021212020201818181818
Sky Cover (%)552111211112112121111122
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)322930333639393736323232323132323032303029303030
Rain------------------------------------------------
Thunder------------------------------------------------
Snow------------------------------------------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

Date07/15
Hour (PDT)070809101112131415161718192021222300010203040506
Temperature (°F)707476777677787979797875737069686868696968686766
Dewpoint (°F)374042444445464646454442403938383838383839404040
Heat Index (°F)76777777787979797875
Surface Wind (mph)98777771010101010101010101010101010101010
Wind DirWSWWSWWSWWWWWWWWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSW
Gust1818182222222121212121212121212121
Sky Cover (%)221100000011111144455566
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)303030313232313131303030313232333332323234363839
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