Sierra City Weather Forecast

    • 51
    • 76

    Mostly Sunny

    • 51
    • 72

    Mostly Sunny

    • 55
    • 82

    Sunny

    • 57
    • 89

    Mostly Sunny

    • 59
    • 88

    Partly Sunny

    • 59
    • 89

    Mostly Sunny

Today 16 Sep Sierra Nevada of Yuba-Sierra-Nevada-Placer Counties Between 3000-5000 ft Including Interstate 80

Sunny. Highs 65 to 75. South Winds up to 10 Mph with Gusts to around 20 Mph.

Tonight 16 Sep Sierra Nevada of Yuba-Sierra-Nevada-Placer Counties Between 3000-5000 ft Including Interstate 80

Clear. Lows 45 to 53. 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

    59.8 °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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