Johnsville Weather Forecast

    • 50
    • 70

    Sunny

    • 51
    • 72

    Mostly Sunny

    • 56
    • 76

    Partly Sunny

    • 52
    • 74

    Partly Sunny

    • 53
    • 75

    Partly Sunny

    • 55
    • 76

    Partly Sunny

    • 54
    • 76

    Mostly Sunny

Today 14 Aug Lassen-Eastern Plumas-Eastern Sierra Counties

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

Tonight 14 Aug Lassen-Eastern Plumas-Eastern Sierra Counties

Clear. Lows 40 to 50. West Winds 10 to 15 Mph in the evening becoming light.

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Johnsville Temperature Statistics

August Temperature

Emigrant Gap, Blue Canyon Nyack Airport (32.9 miles)

  • Lowest 12 August, 2026

    64 °F

  • Average August

    77.5 °F

  • Highest 7 August, 2026

    90.6 °F

Climate (2021–2026)

Emigrant Gap, Blue Canyon Nyack Airport (32.9 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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