Round Lake Weather Forecast

    • 50
    • 72

    Mostly Sunny

    • 52
    • 74

    Partly Sunny

    • 51
    • 73

    Partly Sunny

    • 49
    • 72

    Partly Sunny

    • 48
    • 73

    Mostly Sunny

    • 48
    • 73

    Mostly Sunny

Today 22 Aug Lassen-Eastern Plumas-Eastern Sierra Counties

Sunny. Highs 84 to 94. Southwest Winds around 10 Mph increasing to 15 to 20 Mph with Gusts up to 35 Mph in the afternoon.

Tonight 22 Aug Lassen-Eastern Plumas-Eastern Sierra Counties

Clear in the evening then becoming partly cloudy. Lows 44 to 54. Southwest Winds 10 to 15 Mph with Gusts up to 35 Mph in the evening becoming light.

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Round Lake Temperature Statistics

August Temperature

Emigrant Gap, Blue Canyon Nyack Airport (28 miles)

  • Lowest 13 August, 2026

    55.7 °F

  • Average August

    74 °F

  • Highest 7 August, 2026

    90.6 °F

Climate (2021–2026)

Emigrant Gap, Blue Canyon Nyack Airport (28 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    60.5 °F
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