Island Mountain Weather Forecast

    • 44
    • 49

    Rain

    • 48
    • 52

    Rain Likely

    • 46
    • 56

    Rain

    • 40
    • 49

    Rain

    • 36
    • 45

    Rain Likely

    • 31
    • 42

    Chance Rain

Today 3 Dec Northeastern Mendocino Interior

Mostly cloudy. Rain in the Morning, then chance of rain in the afternoon. Highs 42 to 57.

Tonight 3 Dec Northeastern Mendocino Interior

Rain in the Evening, then rain likely overnight. Lows 38 to 48.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Island Mountain Temperature Statistics

December Temperature

Fortuna Rohnerville Airport (52.8 miles)

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  • Average December

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Climate (2018–Present)

Fortuna Rohnerville Airport (52.8 miles)

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  • Average Low 2018–2023

    45.1 °F

  • Average 2018–2023

    51.3 °F

  • Average High 2018–2023

    59.7 °F
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