Pacific Storm System Across the West; Fire Weather Concerns in the Southeast

A Pacific storm system will bring strong winds and low elevation rain to much of the West Coast, and heavy high elevation mountain snow to the Sierra-Nevada through Wednesday. Fire weather concerns will continue into Tuesday across the Mid-South and Southeast as gusty winds and dry conditions persist. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

light rain,mist

54°F

12°C

Humidity 100%
Wind Speed E 4 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 54°F (12°C)
Visibility 5.00 mi
Last update 21 Apr 02:00 AM PDT
Extended Forecast for

2 Miles ENE Union City CA

  • Overnight

    Overnight: Rain, mainly before 5am, then showers after 5am.  Low around 52. South wind 5 to 7 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Rain

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then rain likely and possibly a thunderstorm after 5pm.  High near 57. South wind 6 to 13 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 57 °F

    Showers

  • Tuesday Night

    Tuesday Night: A chance of rain before midnight, then a chance of rain after 2am.  Mostly cloudy, with a low around 49. West southwest wind 6 to 10 mph becoming south after midnight.  Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Chance Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly before 11am.  Mostly sunny, with a high near 60. South wind 5 to 7 mph becoming west in the afternoon.  New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46. West northwest wind 5 to 9 mph becoming calm  after midnight.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Friday Night

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

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain, mainly before 5am, then showers after 5am. Low around 52. South wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then rain likely and possibly a thunderstorm after 5pm. High near 57. South wind 6 to 13 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A chance of rain before midnight, then a chance of rain after 2am. Mostly cloudy, with a low around 49. West southwest wind 6 to 10 mph becoming south after midnight. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 40 percent chance of rain, mainly before 11am. Mostly sunny, with a high near 60. South wind 5 to 7 mph becoming west in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly clear, with a low around 46. West northwest wind 5 to 9 mph becoming calm after midnight.
Thursday
Sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Partly sunny, with a high near 64.
Saturday Night
Mostly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Union City CA
 37.61°N 122°W (Elev. 594 ft)
12:31 am PDT Apr 21, 2026
2am PDT Apr 21, 2026-6pm PDT Apr 27, 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