Point Forecast: 2 Miles SW Union City CA
 37.58N 122.04W (Elev. 37 m)
Last Update: 2:42 pm PDT Jul 13, 2025
Tabular Forecast
[hide menu]Get as XML
Weather ElementsWeather/Precipitation
Temperature (°C)
Dewpoint (°C)
Heat Index (°C)

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)151617181920212223000102030405060708091011121314
Temperature (°C)252424222018171615151414141414141516171921232426
Dewpoint (°C)161616161414131313131312121212121213141414161615
Heat Index (°C)2524242526
Surface Wind (mph)10111110998766553222222367810
Wind DirNWNWNWNWNWNWNNWNNWNWNNWNWNWNWNWNWNWNWWNWWNWWNWWNWWNWWNWWNW
Gust
Sky Cover (%)211114172337517074747679828173604012621
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)585759647077828788878888888887878685817668625652
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/15
Hour (PDT)151617181920212223000102030405060708091011121314
Temperature (°C)262524232018161616151515141414141416171921222324
Dewpoint (°C)161516151413141313131212121212121213131414151616
Heat Index (°C)26252424
Surface Wind (mph)101113111098877755533355566611
Wind DirNWNWNWNWNWWNWWNWWNWWWWWWWWWWSWSWSWWSWWSWWSWW
Gust
Sky Cover (%)12222915182121215252527575755454541515152
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)535358616975848786868585868787878684797468646260
Rain------------------------------------------------
Thunder------------------------------------------------

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