National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall 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; and will begin to impact the central Plains today. Dry and gusty conditions will promote elevated to critical fire weather conditions in the Southeast. 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

62°F

17°C

Humidity 60%
Wind Speed WNW 6 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 08 Apr 04:45 PM PDT
Extended Forecast for

4 Miles ENE Danville CA

  • Tonight

    Tonight: Partly cloudy, with a low around 50. West wind 6 to 11 mph, with gusts as high as 23 mph.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers between 2pm and 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 72. Southwest wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 72 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 51. West southwest wind 5 to 11 mph, with gusts as high as 22 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers and possibly a thunderstorm after 11am. High near 67. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. West southwest wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 62. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Showers

  • Saturday Night

    Saturday Night: Rain likely. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.

    Low: 42 °F

    Rain Likely

  • Sunday

    Sunday: Rain likely, mainly after 11am. Partly sunny, with a high near 59.

    High: 59 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A chance of rain before 11pm. Partly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain
    then Mostly
    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 50. West wind 6 to 11 mph, with gusts as high as 23 mph.
Thursday
A slight chance of showers between 2pm and 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 72. Southwest wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Thursday Night
A 40 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 51. West southwest wind 5 to 11 mph, with gusts as high as 22 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of showers, then showers and possibly a thunderstorm after 11am. High near 67. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. West southwest wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 62. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Rain likely. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Sunday
Rain likely, mainly after 11am. Partly sunny, with a high near 59.
Sunday Night
A chance of rain before 11pm. Partly cloudy, with a low around 40.
Monday
Sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Mostly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Danville CA
 37.85°N 121.94°W (Elev. 1362 ft)
Last Update:
4:51 pm PDT Apr 8, 2026
Forecast Valid:
5pm PDT Apr 8, 2026-6pm PDT Apr 15, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation