Johnsville Weather Forecast

    • 57
    • 81

    Increasing Clouds

    • 55
    • 77

    Mostly Sunny

    • 53
    • 77

    Sunny

    • 54
    • 77

    Sunny

    • 56
    • 79

    Sunny

    • 57
    • 81

    Sunny

    • 59
    • 83

    Sunny

Today 24 Jul Lassen-Eastern Plumas-Eastern Sierra Counties

Sunny. Highs 90 to 100. Southwest Winds 10 to 15 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 24 Jul Lassen-Eastern Plumas-Eastern Sierra Counties

Clear. Lows 47 to 57. Southwest Winds 10 to 15 Mph. Gusts up to 35 Mph in the evening.

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Johnsville Temperature Statistics

July Temperature

Emigrant Gap, Blue Canyon Nyack Airport (32.9 miles)

  • Lowest 1 July, 2026

    53.7 °F

  • Average July

    69.9 °F

  • Highest 11 July, 2026

    81.6 °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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