Johnsville Weather Forecast

    • 39
    • 59

    Mostly Sunny

    • 35
    • 52

    Chance Rain Showers

    • 32
    • 46

    Rain Showers Likely

    • 36
    • 54

    Mostly Sunny

    • 39
    • 60

    Mostly Sunny

    • 40
    • 63

    Sunny

Today 10 Oct Lassen-Eastern Plumas-Eastern Sierra Counties

Sunny. Highs 66 to 76. West Winds around 10 Mph increasing to southwest 15 to 20 Mph with Gusts up to 40 Mph in the afternoon.

Tonight 10 Oct Lassen-Eastern Plumas-Eastern Sierra Counties

Clear in the evening then becoming partly cloudy. Lows 28 to 38. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

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Johnsville Temperature Statistics

October Temperature

Emigrant Gap, Blue Canyon Nyack Airport (32.9 miles)

  • Lowest 1 October, 2026

    62.7 °F
  • Average October

    72.9 °F
  • Highest 3 October, 2026

    82.7 °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

    53.5 °F
  • Average High 2021–2026

    60.5 °F
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