Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

FW3625 San Ramon (F3625)

Lat: 37.738°NLon: 121.945°WElev: 415.09ft.

NA

84°F

29°C

Humidity 31%
Wind Speed N 0 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 50°F (10°C)
Visibility NA
Heat Index82°F (28°C)
Last update 27 Aug 10:40 AM PDT
Extended Forecast for

5 Miles NNE San Ramon CA

  • Today

    Today: A 20 percent chance of showers.  Increasing clouds, with a high near 91. Southwest wind around 7 mph.

    High: 91 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers.  Mostly cloudy, with a low around 61. West southwest wind around 5 mph becoming calm  after midnight.

    Low: 61 °F

    Slight Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers.  Cloudy, with a high near 81. Calm wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 81 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 54. West southwest wind 5 to 9 mph becoming light  in the evening.

    Low: 54 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 78. Light southwest wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers. Increasing clouds, with a high near 91. Southwest wind around 7 mph.
Tonight
A 20 percent chance of showers. Mostly cloudy, with a low around 61. West southwest wind around 5 mph becoming calm after midnight.
Friday
A 20 percent chance of showers. Cloudy, with a high near 81. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 54. West southwest wind 5 to 9 mph becoming light in the evening.
Saturday
Sunny, with a high near 78. Light southwest wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 52.
Monday
Mostly sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Patchy fog. Otherwise, mostly clear, with a low around 53.
Wednesday
A slight chance of rain. Patchy fog. Otherwise, mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE San Ramon CA
 37.81°N 121.9°W (Elev. 1086 ft)
6:47 am PDT Aug 27, 2026
10am PDT Aug 27, 2026-6pm PDT Sep 2, 2026
 
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Additional Resources

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Hourly Weather Forecast

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