Point Forecast: 4 Miles S Clayton CA
 37.87N 121.92W (Elev. 859 m)
Last Update: 2:16 am PDT May 12, 2026
Tabular Forecast
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Date05/1305/14
Hour (PDT)020304050607080910111213141516171819202122230001
Temperature (°C)141413131315161414131414151615141414131312111111
Dewpoint (°C)456666654466676665433333
Heat Index (°C)
Surface Wind (km/h)262727323232343434262626212121232323232323181818
Wind DirWWSWWSWWSWWSWWSWWSWWSWWSWWWWWWWWWWWSWWSWWSWWSWWSWWSW
Gust505151616161636363474747
Sky Cover (%)221133373737292929161616444555333111
Precipitation Potential (%)000111110000000000000000
Relative Humidity (%)525558626054525152545857565555565654515255585960
Rain------------------------------------------------
Thunder------------------------------------------------
Snow------------------------------------------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

Date05/15
Hour (PDT)020304050607080910111213141516171819202122230001
Temperature (°C)109991214171921222223222221201918171716151414
Dewpoint (°C)333333222345667665433332
Heat Index (°C)
Surface Wind (km/h)161616131313131313131313181818232323232323232323
Wind DirWSWWSWWSWSWSWSWWSWWSWWSWWNWWNWWNWWWWWSWWSWWSWSWSWSWSWSWSW
Gust
Sky Cover (%)333333444111222333333222
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)616465645645363230303132343740424241414243444546
Rain------------------------------------------------
Thunder------------------------------------------------
Snow------------------------------------------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

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