Sierra City Weather Forecast

    • 41
    • 60

    Mostly Sunny

    • 42
    • 64

    Mostly Sunny

    • 41
    • 61

    Partly Sunny

    • 42
    • 64

    Partly Sunny

    • 44
    • 66

    Mostly Sunny

    • 47
    • 68

    Partly Sunny

Today 4 Dec West Slope Northern Sierra Nevada

Mostly sunny. Not as cool. Highs 41 to 56 higher Elevations. 50 to 59 lower Elevations. Prevailing east Winds up to 10 Mph in the morning becoming light.

Tonight 4 Dec West Slope Northern Sierra Nevada

Mostly clear. Lows 28 to 43 higher Elevations. 37 to 47 lower Elevations. Prevailing northeast Winds up to 10 Mph.

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Sierra City Temperature Statistics

December Temperature

Emigrant Gap, Blue Canyon Nyack Airport (20.5 miles)

  • Lowest 1 December, 2025

    39 °F

  • Average December

    44.8 °F

  • Highest 1 December, 2025

    52 °F

Climate (2020–Present)

Emigrant Gap, Blue Canyon Nyack Airport (20.5 miles)

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  • Average Low 2020–2025

    46.6 °F

  • Average 2020–2025

    53.2 °F

  • Average High 2020–2025

    60.3 °F
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