Point Forecast: 5 Miles W Napa Co. Airport CA
 38.21N 122.38W (Elev. 3 ft)
Last Update: 6:22 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)091011121314151617181920212223000102030405060708
Temperature (°F)586163666870717170706863605958575756565656555656
Dewpoint (°F)555657586060596059595856555554545453535353525353
Heat Index (°F)
Surface Wind (mph)67910101111111010109877666665666
Wind DirWSWSWSSWSSWSSWSSWSSWSSWSSWSWSWSWWSWWSWWSWWSWWSWWWWSWWSWWSWWSWSW
Gust1818181818
Sky Cover (%)746030102110112593649617074798689929388
Precipitation Potential (%)333333336666666666668888
Relative Humidity (%)908481767370676768677177848888908990889090919089
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/17
Hour (PDT)091011121314151617181920212223000102030405060708
Temperature (°F)575962646769707070686562605856565656555555555657
Dewpoint (°F)545556575858585858585756555554545453535252525354
Heat Index (°F)
Surface Wind (mph)679991010101010109996665553335
Wind DirSWSSWSSWSSWSSWSSWSSWSSWSWSWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSW
Gust181818
Sky Cover (%)896436363655544413131345454563636381818171
Precipitation Potential (%)888888889999991313131313136666
Relative Humidity (%)898783787369676667707479848992939392929190909089
Rain----------------------------SChcSChcSChcSChcSChcSChc--------
Thunder------------------------------------------------

Additional Forecasts and Information
International System of UnitsForecast Discussion
7-Day ForecastHourly Weather Graph
River Stage Summary24 Hour Precipitation Summary
NWS Office Map