Grassy Lake Weather Forecast

    • 51
    • 68

    Mostly Sunny

    • 52
    • 73

    Mostly Sunny

    • 51
    • 72

    Mostly Sunny

    • 51
    • 71

    Mostly Sunny

    • 51
    • 70

    Mostly Sunny

    • 53
    • 74

    Sunny

Today 22 Jul Northeastern Mendocino Interior

Sunny. Highs 75 to 90.

Tonight 22 Jul Northeastern Mendocino Interior

Mostly clear. Lows 49 to 59.

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Grassy Lake Temperature Statistics

July Temperature

Ukiah Municipal Airport (37.9 miles)

  • Lowest 5 July, 2025

    48.7 °F

  • Average July

    75.2 °F

  • Highest 11 July, 2025

    105.7 °F

Climate (2020–Present)

Ukiah Municipal Airport (37.9 miles)

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  • Average Low 2020–2025

    46.8 °F

  • Average 2020–2025

    60.8 °F

  • Average High 2020–2025

    76.3 °F
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