Johnsville Weather Forecast

    • 52
    • 67

    Chance Rain Showers

    • 49
    • 71

    Mostly Sunny

    • 51
    • 75

    Sunny

    • 49
    • 72

    Mostly Sunny

    • 45
    • 65

    Mostly Sunny

    • 45
    • 63

    Partly Sunny

    • 46
    • 64

    Slight Chance Rain Showers

Today 28 Aug Lassen-Eastern Plumas-Eastern Sierra Counties

Mostly cloudy with a chance of Showers. Highs 73 to 83. South Winds 10 to 15 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 28 Aug Lassen-Eastern Plumas-Eastern Sierra Counties

Partly cloudy in the evening then clearing. Lows 42 to 52. Southwest Winds around 10 Mph with Gusts up to 30 Mph in the evening becoming light.

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  • Temperature Real-Time

Johnsville Temperature Statistics

August Temperature

Emigrant Gap, Blue Canyon Nyack Airport (32.9 miles)

  • Lowest 13 August, 2026

    55.7 °F

  • Average August

    73.8 °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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