Another Round of Heavy Rain and Mountain Snow in California; Snow in the Great Lakes and Northeast

Another round of heavy rainfall will renew concerns for additional flash flooding and landslides in southern California around burn scars and coastal mountain ranges. A low pressure system is bringing enhanced snowfall downwind from the lower Great Lakes into the Northeast mountain ranges. Above average temperatures will challenge or break daily record high temperatures across the southern Plains. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

Lat: 37.66083°NLon: 122.11833°WElev: 46.0ft.

Overcast

55°F

13°C

Humidity 87%
Wind Speed WSW 8 MPH
Barometer 29.76 in (1007.79 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 17 Nov 05:35 AM PST
Extended Forecast for

2 Miles ENE Union City CA

  • Overnight

    Overnight: Rain likely.  Patchy fog.  Otherwise, mostly cloudy, with a low around 50. South southwest wind around 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Rain Likely
    and Patchy
    Fog

  • Monday

    Monday: Rain likely, mainly before 4pm.  Mostly cloudy, with a high near 55. West wind 9 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Rain Likely

  • Monday Night

    Monday Night: A chance of rain and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm.  Mostly cloudy, with a low around 47. West wind 5 to 8 mph becoming light and variable  in the evening.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 55. North northeast wind 5 to 7 mph becoming west in the afternoon.

    High: 55 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46. Light and variable wind.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after 10pm.  Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain.  Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain before 10pm.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain
    then Mostly
    Cloudy

Detailed Forecast

Overnight
Rain likely. Patchy fog. Otherwise, mostly cloudy, with a low around 50. South southwest wind around 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 55. West wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A chance of rain and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm. Mostly cloudy, with a low around 47. West wind 5 to 8 mph becoming light and variable in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny, with a high near 55. North northeast wind 5 to 7 mph becoming west in the afternoon.
Tuesday Night
Partly cloudy, with a low around 46. Light and variable wind.
Wednesday
Mostly sunny, with a high near 56.
Wednesday Night
A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 49.
Thursday
A chance of rain. Mostly cloudy, with a high near 55.
Thursday Night
A chance of rain before 10pm. Mostly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 60.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Union City CA
 37.61°N 122°W (Elev. 594 ft)
12:26 am PST Nov 17, 2025
5am PST Nov 17, 2025-6pm PST Nov 23, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database