Sierra City Weather Forecast

    • 44
    • 62

    Mostly Cloudy

    • 36
    • 61

    Partly Sunny

    • 33
    • 58

    Mostly Sunny

    • 33
    • 53

    Mostly Sunny

    • 35
    • 56

    Mostly Cloudy

    • 36
    • 57

    Partly Sunny

Today 21 Jan West Slope Northern Sierra Nevada

In the Valleys, Areas of fog. Locally dense in the morning. Mostly cloudy. Highs 43 to 58 higher Elevations. 55 to 65 lower Elevations. Light Winds.

Tonight 21 Jan West Slope Northern Sierra Nevada

Cloudy. At lower Elevations, a slight chance of rain after midnight. At higher Elevations, a slight chance of rain and snow after midnight. Colder. Lows 30 to 45 higher Elevations. 42 to 51 lower Elevations. Snow level 7500 feet. Light Winds.

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Sierra City Temperature Statistics

January Temperature

Emigrant Gap, Blue Canyon Nyack Airport (20.5 miles)

  • Lowest 8 January, 2026

    24.1 °F

  • Average January

    45 °F

  • Highest 13 January, 2026

    66.9 °F

Climate (2021–Present)

Emigrant Gap, Blue Canyon Nyack Airport (20.5 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    53.3 °F

  • Average High 2021–2026

    60.3 °F
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