Grassy Lake Weather Forecast

    • 45
    • 49

    Rain Showers

    • 48
    • 51

    Rain Likely

    • 42
    • 56

    Slight Chance Rain

    • 45
    • 62

    Mostly Cloudy

    • 46
    • 63

    Slight Chance Rain

    • 45
    • 62

    Partly Sunny

Today 5 Nov Northeastern Mendocino Interior

Isolated Thunderstorms in the morning. Rain Showers through the day. Isolated Thunderstorms in the afternoon. Breezy. Some Thunderstorms may produce heavy rainfall in the morning. Highs 47 to 62. Southwest wind 20 to 25 Mph with Gusts at higher Elevations to around 40 Mph.

Tonight 5 Nov Northeastern Mendocino Interior

Mostly cloudy. Numerous rain Showers in the Evening, then scattered rain Showers overnight. Lows 40 to 50.

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Grassy Lake Temperature Statistics

November Temperature

Ukiah Municipal Airport (37.9 miles)

  • Lowest 1 November, 2025

    43 °F

  • Average November

    59.6 °F

  • Highest 2 November, 2025

    79 °F

Climate (2020–Present)

Ukiah Municipal Airport (37.9 miles)

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  • Average Low 2020–2025

    46.8 °F

  • Average 2020–2025

    60.6 °F

  • Average High 2020–2025

    76 °F
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