Island Mountain Weather Forecast

    • 45
    • 63

    Rain Showers

    • 41
    • 49

    Rain

    • 42
    • 50

    Rain

    • 38
    • 48

    Rain

    • 32
    • 49

    Slight Chance Rain

    • 37
    • 51

    Rain

    • 35
    • 46

    Rain

Today 12 Nov Northeastern Interior Mendocino

Mostly cloudy. Patchy valley fog. Chance of rain and snow. Highs 41 to 56.

Tonight 12 Nov Northeastern Interior Mendocino

Mostly cloudy. Slight chance of rain in the Evening, then rain Showers and isolated Thunderstorms overnight. Breezy. Lows 39 to 49. South wind 20 to 30 Mph with Gusts at higher Elevations to around 40 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Island Mountain Temperature Statistics

November Temperature

Fortuna Rohnerville Airport (52.8 miles)

  • Lowest 1 November, 2026

    41 °F

  • Average November

    52.9 °F

  • Highest 10 November, 2026

    73.4 °F

Climate (2021–2026)

Fortuna Rohnerville Airport (52.8 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.8 °F
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