Island Mountain Weather Forecast

    • 50
    • 69

    Sunny

    • 46
    • 72

    Sunny

    • 44
    • 62

    Chance Rain

    • 39
    • 49

    Chance Rain

    • 43
    • 59

    Mostly Sunny

    • 50
    • 69

    Mostly Sunny

    • 50
    • 71

    Mostly Sunny

Today 30 Apr Northeastern Mendocino Interior

Sunny. Highs 72 to 87.

Tonight 30 Apr Northeastern Mendocino Interior

Clear. Lows 46 to 56.

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Island Mountain Temperature Statistics

April Temperature

Fortuna Rohnerville Airport (52.8 miles)

  • Lowest 4 April, 2025

    37.4 °F
  • Average April

    49.5 °F
  • Highest 10 April, 2025

    68 °F

Climate (2020–Present)

Fortuna Rohnerville Airport (52.8 miles)

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  • Average Low 2020–2025

    45 °F
  • Average 2020–2025

    51.2 °F
  • Average High 2020–2025

    59.6 °F
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