Point Forecast: 4 Miles W Lake Berryessa CA
 38.58N 122.33W (Elev. 1138 ft)
Last Update: 3:02 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  

Date07/1507/16
Hour (PDT)030405060708091011121314151617181920212223000102
Temperature (°F)555453525457616771757880818281797771666259575554
Dewpoint (°F)515151505252535455586060595959595856555454545353
Heat Index (°F)7578818282827977
Surface Wind (mph)322223566789999887766553
Wind DirSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSWSWSWSWSWSWSWSSWSSWSSWSSWSSWSSW
Gust181818
Sky Cover (%)44335531111111111357781016
Precipitation Potential (%)001111110000001111113333
Relative Humidity (%)868992939382756457555250474646505360677581899197
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/17
Hour (PDT)030405060708091011121314151617181920212223000102
Temperature (°F)535252515254576367717476787978767369656157555352
Dewpoint (°F)525252515152535556565858585858575656555453525251
Heat Index (°F)7678797876
Surface Wind (mph)222222336668888887776663
Wind DirSSWSSWSSWSSWSSWSWSSWSSWSSSSSWSSWSSWSWSWSWSWSWSWWSWWSWWSWWSW
Gust181818
Sky Cover (%)1716212422164100011111144414141424
Precipitation Potential (%)331111111111112222222222
Relative Humidity (%)98100991009994877466605654514949525763707885909497
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