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 >

Hazardous Weather Conditions

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

San Juan Bautista CA

Red Flag Warning August 28, 05:00am until August 28, 03:00pm
Click here for hazard details and duration
Red Flag Warning

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 7pm and 8pm. Mostly cloudy, with a low around 61. Southwest wind 5 to 8 mph becoming calm after midnight.

    Low: 61 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Friday

    Friday: A slight chance of showers and thunderstorms. Cloudy, then gradually becoming mostly sunny, with a high near 78. Light and variable wind becoming southwest 9 to 14 mph in the afternoon. Chance of precipitation is 20%.

    High: 78 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. Southwest wind 6 to 11 mph becoming light south.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 74. West southwest wind 5 to 14 mph, with gusts as high as 23 mph.

    High: 74 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52. Southwest wind 10 to 17 mph, with gusts as high as 28 mph.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly between 7pm and 8pm. Mostly cloudy, with a low around 61. Southwest wind 5 to 8 mph becoming calm after midnight.
Friday
A slight chance of showers and thunderstorms. Cloudy, then gradually becoming mostly sunny, with a high near 78. Light and variable wind becoming southwest 9 to 14 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 55. Southwest wind 6 to 11 mph becoming light south.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 74. West southwest wind 5 to 14 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 52. Southwest wind 10 to 17 mph, with gusts as high as 28 mph.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
A slight chance of showers. Patchy fog. Otherwise, partly cloudy, with a low around 53.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 75.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 55.
Thursday
A slight chance of showers. Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Juan Bautista CA
 36.84°N 121.54°W (Elev. 200 ft)
Last Update:
1:42 pm PDT Aug 27, 2026
Forecast Valid:
6pm PDT Aug 27, 2026-6pm PDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation