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

Significant Coastal Impacts to the Mid-Atlantic and Northeast; Tropical Storm Nolo to Impact Hawaii

A strong coastal storm will bring moderate to major coastal flooding, strong winds, heavy rainfall and high surf to the Mid-Atlantic and New England. Tropical Storm Nolo is expected to strengthen into a hurricane Thursday as it moves north toward the Big Island of Hawaii. Heavy rainfall will continue through Saturday, with locally catastrophic flooding possible. Hurricane Watch in effect. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

Lat: 38.5°NLon: 122.81667°WElev: 125.0ft.

Clear

63°F

17°C

Humidity 63%
Wind Speed N 0 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 23 Sep 10:35 PM PDT
Extended Forecast for

2 Miles SE Saint Helena CA

  • Tonight

    Tonight: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Cloudy, then gradually becoming partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 83. Light west wind.

    High: 83 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50. Light and variable wind.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 57. Calm wind.
Thursday
Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Cloudy, then gradually becoming partly cloudy, with a low around 55. Calm wind.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 83. Light west wind.
Friday Night
Partly cloudy, with a low around 50. Light and variable wind.
Saturday
Sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Saint Helena CA
 38.49°N 122.45°W (Elev. 230 ft)
Last Update:
10:41 pm PDT Sep 23, 2026
Forecast Valid:
10pm PDT Sep 23, 2026-6pm PDT Sep 30, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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