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

Severe Weather and Flooding Threats for the Central U.S.; Fire Weather Concerns for the Western U.S.

Severe weather and flooding threats will continue for portions of the central U.S. Rounds of heavy rainfall may cause impactful flash flooding in parts of southern Kansas and Missouri. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, and dry thunderstorms may spark additional wildfires. Dangerous heat will build across the southern U.S. Friday into the weekend. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

N/A

Humidity 28%
Wind Speed NW 9 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update 17 May 05:05 PM PDT
Extended Forecast for

5 Miles NNE San Ramon CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 76. West southwest wind 8 to 10 mph, with gusts as high as 22 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 53. Southwest wind around 11 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Friday

    Friday: A slight chance of drizzle before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 69. West southwest wind 11 to 14 mph, with gusts as high as 29 mph.

    High: 69 °F

    Slight Chance
    Drizzle then
    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 54. West southwest wind 11 to 14 mph, with gusts as high as 31 mph.

    Low: 54 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 67. West southwest wind 11 to 14 mph, with gusts as high as 28 mph.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 3am. Otherwise, mostly clear, with a low around 48.

    Low: 48 °F

    Clear then
    Patchy Fog

  • Sunday

    Sunday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 76. West southwest wind 8 to 10 mph, with gusts as high as 22 mph.
Tonight
Increasing clouds, with a low around 53. Southwest wind around 11 mph, with gusts as high as 25 mph.
Friday
A slight chance of drizzle before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 69. West southwest wind 11 to 14 mph, with gusts as high as 29 mph.
Friday Night
Increasing clouds, with a low around 54. West southwest wind 11 to 14 mph, with gusts as high as 31 mph.
Saturday
Mostly sunny, with a high near 67. West southwest wind 11 to 14 mph, with gusts as high as 28 mph.
Saturday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 48.
Sunday
Sunny, with a high near 79.
Sunday Night
Clear, with a low around 52.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE San Ramon CA
 37.81°N 121.9°W (Elev. 1086 ft)
Last Update:
12:42 pm PDT Jun 25, 2026
Forecast Valid:
1pm PDT Jun 25, 2026-6pm PDT Jul 1, 2026
 
Forecast Discussion
 
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Additional Resources

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