Johnsville Weather Forecast

    • 53
    • 75

    Becoming Sunny

    • 43
    • 64

    Mostly Sunny

    • 47
    • 67

    Partly Sunny

    • 45
    • 59

    Chance Rain Showers

    • 44
    • 58

    Chance Rain Showers

    • 44
    • 64

    Mostly Sunny

Today 5 Jun Lassen-Eastern Plumas-Eastern Sierra Counties

Sunny. Highs 84 to 94. Light Winds becoming west 10 to 15 Mph with Gusts up to 30 Mph in the afternoon.

Tonight 5 Jun Lassen-Eastern Plumas-Eastern Sierra Counties

Partly cloudy. Lows 43 to 53. West Winds 10 to 20 Mph. Gusts up to 35 Mph in the evening.

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Johnsville Temperature Statistics

June Temperature

Emigrant Gap, Blue Canyon Nyack Airport (32.9 miles)

  • Lowest 1 June, 2026

    53.7 °F

  • Average June

    64 °F

  • Highest 2 June, 2026

    73.7 °F

Climate (2021–Present)

Emigrant Gap, Blue Canyon Nyack Airport (32.9 miles)

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  • Average Low 2021–2026

    46.9 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    60.6 °F
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