Point Forecast: 9 Miles S Discovery Bay CA
 37.76N 121.6W (Elev. 381 ft)
Last Update: 11:54 pm 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)230001020304050607080910111213141516171819202122
Temperature (°F)696866646363626262646974808590929495939187797471
Dewpoint (°F)535254535253525252545555555455545454535253525252
Heat Index (°F)80838890919290898579
Surface Wind (mph)151514141414131311111010101010101113141617181817
Wind DirWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWWWWWWWWWSWWSWWSWWSW
Gust2322212020202018181818202123252526282625
Sky Cover (%)132334376101100201121233
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)575865686970707171706251423530272625262731394552
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/15
Hour (PDT)230001020304050607080910111213141516171819202122
Temperature (°F)696866656362616161626671778286888989888480767268
Dewpoint (°F)535354545453535353545555565656565656565655545454
Heat Index (°F)77818486888886838076
Surface Wind (mph)16151414141414131111109999101010151515212121
Wind DirWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWWWWWWWWWWWWWW
Gust232222212121211818212121252525303030
Sky Cover (%)232245485200000111111333
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)575864687073747676766757474036333233353842475360
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