Heavy Rainfall Continues in Florida; Critical Fire Weather in the Southeast; Heavy Rain and Flooding Concerns in Hawaii

Thunderstorms and periods of heavy to excessive rainfall will continue over Florida through Thursday. Gusty winds and low humidity will promote elevated to critical fire weather conditions from central Georgia into north-central North Carolina Wednesday. A Kona Low is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the island chain through the weekend. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.

NA

56°F

13°C

Humidity 48%
Wind Speed WNW 13 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 07 Apr 09:45 PM PDT
Extended Forecast for

4 Miles SSE Clayton CA

  • Overnight

    Overnight: Mostly clear, with a low around 53. West wind around 14 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66. West wind 10 to 16 mph, with gusts as high as 29 mph.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. West southwest wind 10 to 16 mph, with gusts as high as 30 mph.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 63. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 54. West southwest wind 9 to 15 mph, with gusts as high as 28 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Chance Rain

  • Friday

    Friday: A chance of rain, then showers and possibly a thunderstorm after 11am.  High near 56. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 56 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm.  Mostly cloudy, with a low around 52. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of rain, then showers likely and possibly a thunderstorm after 11am.  Mostly cloudy, with a high near 55.

    High: 55 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of rain.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 53. West wind around 14 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 66. West wind 10 to 16 mph, with gusts as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 52. West southwest wind 10 to 16 mph, with gusts as high as 30 mph.
Thursday
Mostly sunny, with a high near 63. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 54. West southwest wind 9 to 15 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of rain, then showers and possibly a thunderstorm after 11am. High near 56. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Saturday
A chance of rain, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 55.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 48.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 51.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 46.
Monday
Sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Clayton CA
 37.87°N 121.92°W (Elev. 2818 ft)
11:31 pm PDT Apr 7, 2026
12am PDT Apr 8, 2026-6pm PDT Apr 14, 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