Rock Lake Weather Forecast

    • 41
    • 48

    Rain

    • 34
    • 43

    Rain

    • 37
    • 43

    Chance Rain

    • 37
    • 40

    Rain

    • 36
    • 40

    Rain

    • 35
    • 39

    Rain

Today 16 Dec Lassen-Eastern Plumas-Eastern Sierra Counties

Mostly cloudy with a chance of rain. Highs 50 to 60. Light Winds becoming southwest around 10 Mph in the afternoon.

Tonight 16 Dec Lassen-Eastern Plumas-Eastern Sierra Counties

Rain likely in the Evening, then rain after midnight. Lows 37 to 47. Southwest Winds 10 to 15 Mph. Gusts up to 30 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Lake Temperature Statistics

December Temperature

Emigrant Gap, Blue Canyon Nyack Airport (29.8 miles)

  • Lowest 3 December, 2025

    34 °F

  • Average December

    51.2 °F

  • Highest 10 December, 2025

    68 °F

Climate (2020–Present)

Emigrant Gap, Blue Canyon Nyack Airport (29.8 miles)

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  • Average Low 2020–2025

    46.6 °F

  • Average 2020–2025

    53.3 °F

  • Average High 2020–2025

    60.3 °F
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