Grass Lake Weather Forecast

    • 59
    • 80

    Mostly Sunny

    • 60
    • 80

    Sunny

    • 59
    • 78

    Mostly Sunny

    • 57
    • 79

    Mostly Sunny

    • 49
    • 68

    Mostly Sunny

    • 49
    • 67

    Sunny

Today 15 Jun Lassen-Eastern Plumas-Eastern Sierra Counties

Sunny. Highs 88 to 98. Light Winds becoming northwest around 10 Mph in the afternoon.

Tonight 15 Jun Lassen-Eastern Plumas-Eastern Sierra Counties

Clear. Lows 49 to 59. Northwest Winds around 10 Mph in the evening becoming light.

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Grass Lake Temperature Statistics

June Temperature

Emigrant Gap, Blue Canyon Nyack Airport (31.1 miles)

  • Lowest 9 June, 2026

    47.6 °F

  • Average June

    64.1 °F

  • Highest 12 June, 2026

    79.6 °F

Climate (2021–Present)

Emigrant Gap, Blue Canyon Nyack Airport (31.1 miles)

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  • Average Low 2021–2026

    47 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    60.7 °F
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