Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Mostly Cloudy

52°F

11°C

Humidity 87%
Wind Speed SE 8 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 22 Apr 04:20 AM PDT
Extended Forecast for

2 Miles WSW Union City CA

  • Overnight

    Overnight: A chance of rain before 5am, then a chance of showers and thunderstorms after 5am.  Mostly cloudy, with a low around 49. South southeast wind around 5 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Rain and thunderstorms likely before 2pm, then a chance of rain.  Partly sunny, with a high near 64. Southeast wind 5 to 7 mph becoming west northwest in the afternoon.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. West northwest wind around 6 mph becoming calm  in the evening.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, sunny, with a high near 69. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 69 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49. West northwest wind 5 to 10 mph becoming light southwest  in the evening.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 67.

    High: 67 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of rain before 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 49. South southeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain and thunderstorms likely before 2pm, then a chance of rain. Partly sunny, with a high near 64. Southeast wind 5 to 7 mph becoming west northwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly clear, with a low around 47. West northwest wind around 6 mph becoming calm in the evening.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 69. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 49. West northwest wind 5 to 10 mph becoming light southwest in the evening.
Friday
Mostly cloudy, with a high near 67.
Friday Night
Mostly cloudy, with a low around 51.
Saturday
Partly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Partly sunny, with a high near 67.
Monday Night
Mostly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Union City CA
 37.58°N 122.04°W (Elev. 121 ft)
2:42 am PDT Apr 22, 2026
4am PDT Apr 22, 2026-6pm PDT Apr 28, 2026
 
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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