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

Check Water Temperatures Before Your River Visit

Water temperatures below 70 degrees causes you to lose breathing & muscle control which can lead to drowning. The colder the water the more extreme the impacts. Enjoy the river by staying dry when water is cold. Read More >

Current conditions at

Fortuna Rohnerville Airport (KFOT)

Lat: 40.55296°NLon: 124.13338°WElev: 377.0ft.

Overcast

54°F

12°C

Humidity 100%
Wind Speed W 4 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 54°F (12°C)
Visibility 2.50 mi
Last update 04 Jul 12:30 AM PDT
Extended Forecast for

4 Miles SE Petrolia CA

  • Overnight

    Overnight: Mostly clear, with a low around 53. Light north wind.

    Low: 53 °F

    Mostly Clear

  • Independence Day

    Independence Day: Sunny, with a high near 79. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 54. North northwest wind around 6 mph becoming calm in the evening.

    Low: 54 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 74. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 74 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 52. West northwest wind around 6 mph becoming calm in the evening.

    Low: 52 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 73. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 73 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 53. Light north wind.
Independence Day
Sunny, with a high near 79. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Saturday Night
Increasing clouds, with a low around 54. North northwest wind around 6 mph becoming calm in the evening.
Sunday
Mostly cloudy, with a high near 74. Calm wind becoming west northwest around 6 mph in the afternoon.
Sunday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 52. West northwest wind around 6 mph becoming calm in the evening.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 73. Calm wind becoming northwest around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 73.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Petrolia CA
 40.28°N 124.2°W (Elev. 390 ft)
Last Update:
11:07 pm PDT Jul 3, 2026
Forecast Valid:
12am PDT Jul 4, 2026-6pm PDT Jul 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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