Marine and Coastal Impacts from Imelda; Unsettled Weather in the West

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine conditions and rip currents to much of the East Coast over the next several days. A series of Pacific frontal systems will bring waves of showers and thunderstorms to portions of northern California and the Pacific Northwest through midweek. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

Lat: 37.32927°NLon: 121.29538°WElev: 1861.0ft.

NA

58°F

14°C

Humidity 78%
Wind Speed S 12 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 01 Oct 12:00 AM PDT
Extended Forecast for

12 Miles SSE Tracy CA

  • Overnight

    Overnight: Partly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers before 2pm, then a slight chance of showers after 3pm.  Mostly sunny, with a high near 77. Calm wind becoming north northwest around 6 mph in the afternoon.  Chance of precipitation is 20%.

    High: 77 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 2am, then a chance of showers after 3am.  Partly cloudy, with a low around 62. Calm wind.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 62 °F

    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers.  Partly sunny, with a high near 73. Calm wind becoming northwest 5 to 7 mph in the afternoon.  New precipitation amounts of less than a tenth of an inch possible.

    High: 73 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 11pm.  Partly cloudy, with a low around 56. West wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 56 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 60. Calm wind.
Wednesday
A slight chance of showers before 2pm, then a slight chance of showers after 3pm. Mostly sunny, with a high near 77. Calm wind becoming north northwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
A chance of showers before 2am, then a chance of showers after 3am. Partly cloudy, with a low around 62. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 73. Calm wind becoming northwest 5 to 7 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 56. West wind 7 to 10 mph, with gusts as high as 18 mph.
Friday
Sunny, with a high near 73.
Friday Night
Clear, with a low around 57.
Saturday
Sunny, with a high near 78.
Saturday Night
Clear, with a low around 57.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 57.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles SSE Tracy CA
 37.58°N 121.33°W (Elev. 384 ft)
12:21 am PDT Oct 1, 2025
1am PDT Oct 1, 2025-6pm PDT Oct 7, 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