Johnsville Weather Forecast

    • 52
    • 73

    Patchy Smoke

    • 43
    • 69

    Mostly Sunny

    • 42
    • 62

    Sunny

    • 46
    • 70

    Sunny

    • 47
    • 70

    Mostly Sunny

    • 49
    • 71

    Mostly Sunny

    • 51
    • 72

    Mostly Sunny

Today 11 Sep Lassen-Eastern Plumas-Eastern Sierra Counties

Sunny. Highs 80 to 90. West Winds 10 to 15 Mph. Gusts up to 35 Mph in the afternoon.

Tonight 11 Sep Lassen-Eastern Plumas-Eastern Sierra Counties

Clear in the evening then becoming partly cloudy. Areas of smoke through the night. Haze after midnight. Lows 42 to 52. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph in the evening becoming light.

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Johnsville Temperature Statistics

September Temperature

Emigrant Gap, Blue Canyon Nyack Airport (32.9 miles)

  • Lowest 1 September, 2026

    43.6 °F

  • Average September

    57 °F

  • Highest 9 September, 2026

    82.9 °F

Climate (2021–2026)

Emigrant Gap, Blue Canyon Nyack Airport (32.9 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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