Johnsville Weather Forecast

    • 57
    • 77

    Mostly Sunny

    • 60
    • 78

    Mostly Sunny

    • 62
    • 81

    Mostly Cloudy

    • 63
    • 77

    Mostly Cloudy

    • 61
    • 78

    Mostly Sunny

    • 59
    • 80

    Mostly Sunny

    • 59
    • 80

    Mostly Sunny

Today 17 Jul Lassen-Eastern Plumas-Eastern Sierra Counties

Sunny. Highs 86 to 96. Light Winds becoming southwest 10 to 15 Mph in the afternoon.

Tonight 17 Jul Lassen-Eastern Plumas-Eastern Sierra Counties

Clear. Lows 47 to 57. West Winds 10 to 15 Mph in the evening becoming light.

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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

    68.8 °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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