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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Fortuna Rohnerville Airport (KFOT)

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

Overcast

55°F

13°C

Humidity 100%
Wind Speed NW 4 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 55°F (13°C)
Visibility 8.00 mi
Last update 19 Sep 10:05 AM PDT
Extended Forecast for

Fortuna CA

  • Today

    Today: Mostly cloudy, with a high near 64. North northwest wind 3 to 8 mph.

    High: 64 °F

    Mostly Cloudy

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, cloudy, with a low around 52. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 64. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 64 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 53. North northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 67. Calm wind becoming north northwest 5 to 8 mph in the afternoon.

    High: 67 °F

    Patchy Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 53. North northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 68.

    High: 68 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 64. North northwest wind 3 to 8 mph.
Tonight
Patchy fog after 2am. Otherwise, cloudy, with a low around 52. North northwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 64. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Sunday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 53. North northwest wind 5 to 8 mph becoming calm in the evening.
Monday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 67. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
Monday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 53. North northwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 66.
Tuesday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 52.
Wednesday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Partly sunny, with a high near 69.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
Partly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fortuna CA
 40.61°N 124.15°W (Elev. 197 ft)
Last Update:
10:05 am PDT Sep 19, 2026
Forecast Valid:
10am PDT Sep 19, 2026-6pm PDT Sep 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation