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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Hollister, CA (KCVH)

Lat: 36.8933°NLon: 121.4103°WElev: 229.0ft.

Clear

77°F

25°C

Humidity 47%
Wind Speed SW 4 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 27 Aug 06:35 PM PDT
Extended Forecast for

4 Miles E San Martin CA

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 8pm and 9pm. Increasing clouds, with a low around 61. Northwest wind 6 to 11 mph becoming light west northwest after midnight. Winds could gust as high as 18 mph.

    Low: 61 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Friday

    Friday: A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 85. Light and variable wind becoming west northwest 5 to 10 mph in the morning. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. Northwest wind 5 to 11 mph.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 83. Light west northwest wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52. West southwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 18 mph.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly between 8pm and 9pm. Increasing clouds, with a low around 61. Northwest wind 6 to 11 mph becoming light west northwest after midnight. Winds could gust as high as 18 mph.
Friday
A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 85. Light and variable wind becoming west northwest 5 to 10 mph in the morning. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 55. Northwest wind 5 to 11 mph.
Saturday
Sunny, with a high near 83. Light west northwest wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Saturday Night
Mostly clear, with a low around 52. West southwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 18 mph.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 51.
Monday
Mostly sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
A slight chance of showers. Mostly clear, with a low around 52.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 81.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 54.
Thursday
A slight chance of showers. Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E San Martin CA
 37.09°N 121.55°W (Elev. 787 ft)
Last Update:
1:42 pm PDT Aug 27, 2026
Forecast Valid:
6pm PDT Aug 27, 2026-6pm PDT Sep 3, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation