Rock Lake Weather Forecast

    • 40
    • 65

    Increasing Clouds

    • 41
    • 61

    Mostly Sunny

    • 45
    • 73

    Mostly Sunny

    • 46
    • 73

    Mostly Sunny

    • 48
    • 75

    Mostly Sunny

    • 51
    • 82

    Sunny

Today 25 May Lassen-Eastern Plumas-Eastern Sierra Counties

Sunny. Highs 76 to 86. Light Winds becoming southwest 10 to 15 Mph in the afternoon.

Tonight 25 May Lassen-Eastern Plumas-Eastern Sierra Counties

Partly cloudy in the evening then becoming mostly cloudy. Lows 41 to 51. West Winds 10 to 15 Mph. Gusts up to 35 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Lake Temperature Statistics

May Temperature

Emigrant Gap, Blue Canyon Nyack Airport (29.8 miles)

  • Lowest 12 May, 2025

    33.7 °F

  • Average May

    54.6 °F

  • Highest 10 May, 2025

    75.7 °F

Climate (2020–Present)

Emigrant Gap, Blue Canyon Nyack Airport (29.8 miles)

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  • Average Low 2020–2025

    46.8 °F

  • Average 2020–2025

    53.5 °F

  • Average High 2020–2025

    60.5 °F
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