Big Flat Weather Forecast

    • 65
    • 70

    Mostly Sunny

    • 63
    • 68

    Mostly Sunny

    • 63
    • 67

    Mostly Sunny

    • 61
    • 71

    Mostly Sunny

    • 58
    • 71

    Breezy

    • 55
    • 64

    Mostly Sunny

Today 5 Oct Southwestern Humboldt

Sunny. Highs 83 to 98. Northeast wind around 5 Mph shifting to the northwest in the afternoon.

Tonight 5 Oct Southwestern Humboldt

Mostly clear. Lows 56 to 66. North wind around 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Flat Temperature Statistics

October Temperature

Fortuna Rohnerville Airport (29.2 miles)

  • Lowest 2 October, 2026

    48.2 °F

  • Average October

    55.8 °F

  • Highest 1 October, 2026

    66.2 °F

Climate (2021–2026)

Fortuna Rohnerville Airport (29.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    45.4 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.8 °F
Get WillyWeather+ to remove ads