Sierra City Weather Forecast

    • 58
    • 87

    Mostly Sunny

    • 58
    • 86

    Partly Sunny

    • 52
    • 76

    Mostly Sunny

    • 54
    • 77

    Partly Sunny

    • 48
    • 72

    Partly Sunny

    • 51
    • 78

    Mostly Sunny

Today 23 Sep Sierra Nevada of Yuba-Sierra-Nevada-Placer Counties Between 3000-5000 ft Including Interstate 80

Sunny. Highs 75 to 85. Light Winds.

Tonight 23 Sep Sierra Nevada of Yuba-Sierra-Nevada-Placer Counties Between 3000-5000 ft Including Interstate 80

Clear. Patchy smoke after midnight. Lows 53 to 63. Light Winds.

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Sierra City Temperature Statistics

September Temperature

Emigrant Gap, Blue Canyon Nyack Airport (20.5 miles)

  • Lowest 1 September, 2026

    43.6 °F

  • Average September

    60 °F

  • Highest 9 September, 2026

    84.7 °F

Climate (2021–2026)

Emigrant Gap, Blue Canyon Nyack Airport (20.5 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    53.4 °F

  • Average High 2021–2026

    60.4 °F
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