Johnsville Weather Forecast

    • 40
    • 49

    Chance Rain Showers

    • 41
    • 59

    Mostly Sunny

    • 47
    • 67

    Sunny

    • 50
    • 71

    Mostly Sunny

    • 51
    • 72

    Mostly Sunny

    • 51
    • 72

    Sunny

Today 29 May Lassen-Eastern Plumas-Eastern Sierra Counties

Showers likely. Highs 53 to 63. Light Winds becoming west around 10 Mph in the afternoon.

Tonight 29 May Lassen-Eastern Plumas-Eastern Sierra Counties

Mostly cloudy with a slight chance of Showers in the Evening, then partly cloudy after midnight. Lows 34 to 44. West Winds around 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnsville Temperature Statistics

May Temperature

Emigrant Gap, Blue Canyon Nyack Airport (32.9 miles)

  • Lowest 26 May, 2026

    32.6 °F

  • Average May

    56.4 °F

  • Highest 11 May, 2026

    77.6 °F

Climate (2021–Present)

Emigrant Gap, Blue Canyon Nyack Airport (32.9 miles)

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  • Average Low 2021–2026

    47 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    60.7 °F
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