Johnsville Weather Forecast

    • 25
    • 32

    Snow

    • 17
    • 34

    Chance Snow

    • 19
    • 33

    Mostly Sunny

    • 22
    • 35

    Mostly Sunny

    • 26
    • 40

    Mostly Sunny

    • 29
    • 44

    Mostly Sunny

Today 26 Dec Lassen-Eastern Plumas-Eastern Sierra Counties

Chance of snow and rain. Patchy fog in the morning. Areas of dense freezing fog through the day. Snow accumulation up to 4 Inches. Highs 35 to 45. Southwest Winds 10 to 20 Mph with Gusts up to 35 Mph.

Tonight 26 Dec Lassen-Eastern Plumas-Eastern Sierra Counties

Areas of dense freezing fog and patchy fog in the evening. Snow likely and chance of Showers. Snow accumulation up to 2 Inches. Lows 18 to 28. Southwest Winds 10 to 15 Mph.

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Johnsville Temperature Statistics

December Temperature

Emigrant Gap, Blue Canyon Nyack Airport (32.9 miles)

  • Lowest 3 December, 2025

    34 °F

  • Average December

    49.2 °F

  • Highest 10 December, 2025

    68 °F

Climate (2020–Present)

Emigrant Gap, Blue Canyon Nyack Airport (32.9 miles)

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  • Average Low 2020–2025

    46.6 °F

  • Average 2020–2025

    53.3 °F

  • Average High 2020–2025

    60.3 °F
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