Grassy Lake Weather Forecast

    • 49
    • 77

    Sunny

    • 51
    • 77

    Sunny

    • 53
    • 79

    Sunny

    • 54
    • 81

    Sunny

    • 55
    • 83

    Sunny

    • 57
    • 86

    Sunny

Today 26 Jul Northeastern Interior Mendocino

Sunny. Highs 80 to 95.

Tonight 26 Jul Northeastern Interior Mendocino

Mostly clear. Lows 48 to 58.

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Grassy Lake Temperature Statistics

July Temperature

Ukiah Municipal Airport (37.9 miles)

  • Lowest 8 July, 2026

    51.7 °F

  • Average July

    75.7 °F

  • Highest 13 July, 2026

    102.7 °F

Climate (2021–2026)

Ukiah Municipal Airport (37.9 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    76.2 °F
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