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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

HOLLISTER (HSEC1)

Lat: 36.8422°NLon: 121.36216°WElev: 404.0ft.

NA

91°F

33°C

Humidity 28%
Wind Speed W 7 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Heat Index89°F (32°C)
Last update 20 Mar 05:13 PM PDT
Extended Forecast for

Hollister CA

Heat Advisory March 20, 05:50pm until March 20, 08:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory March 20, 05:50pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 82. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 46. West wind 5 to 7 mph becoming calm after midnight.

    Low: 46 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Sunny, with a high near 81. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48. West wind 5 to 7 mph becoming calm in the evening.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Monday Night

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

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 54. West wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 82. Calm wind becoming west 5 to 9 mph in the afternoon.
Saturday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 46. West wind 5 to 7 mph becoming calm after midnight.
Sunday
Sunny, with a high near 81. Calm wind becoming west northwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 48. West wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Clear, with a low around 50.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hollister CA
 36.84°N 121.4°W (Elev. 285 ft)
Last Update:
2:07 pm PDT Mar 20, 2026
Forecast Valid:
5pm PDT Mar 20, 2026-6pm PDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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