Grassy Lake Weather Forecast

    • 48
    • 58

    Rain

    • 45
    • 67

    Mostly Sunny

    • 53
    • 78

    Sunny

    • 59
    • 87

    Sunny

    • 61
    • 85

    Sunny

    • 59
    • 86

    Sunny

    • 60
    • 84

    Mostly Sunny

Today 8 Jun Northeastern Interior Mendocino

Mostly cloudy. Slight chance of rain in the Morning, then chance of rain in the afternoon. Highs 60 to 75.

Tonight 8 Jun Northeastern Interior Mendocino

Mostly cloudy. Rain likely in the Evening, then slight chance of rain overnight. Patchy valley fog overnight. Lows 44 to 54.

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  • Temperature Forecast NOAA

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Grassy Lake Temperature Statistics

June Temperature

Ukiah Municipal Airport (37.9 miles)

  • Lowest 1 June, 2026

    52.6 °F

  • Average June

    70.3 °F

  • Highest 1 June, 2026

    93.7 °F

Climate (2021–Present)

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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