Grass Lake Weather Forecast

    • 33
    • 47

    Increasing Clouds

    • 34
    • 50

    Mostly Cloudy

    • 33
    • 50

    Partly Sunny

    • 29
    • 45

    Partly Sunny

    • 29
    • 46

    Mostly Sunny

    • 31
    • 48

    Mostly Sunny

Today 29 Jan Lassen-Eastern Plumas-Eastern Sierra Counties

Mostly cloudy in the morning then becoming partly cloudy. Highs 46 to 56. Light Winds.

Tonight 29 Jan Lassen-Eastern Plumas-Eastern Sierra Counties

Partly cloudy in the evening then becoming mostly cloudy. Lows 25 to 35. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grass Lake Temperature Statistics

January Temperature

Emigrant Gap, Blue Canyon Nyack Airport (31.1 miles)

  • Lowest 8 January, 2026

    24.7 °F

  • Average January

    46.3 °F

  • Highest 13 January, 2026

    67.6 °F

Climate (2021–Present)

Emigrant Gap, Blue Canyon Nyack Airport (31.1 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    53.4 °F

  • Average High 2021–2026

    60.4 °F
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