Sierra City Weather Forecast

    • 51
    • 74

    Sunny

    • 54
    • 85

    Sunny

    • 55
    • 83

    Sunny

    • 55
    • 84

    Sunny

    • 57
    • 87

    Sunny

    • 58
    • 89

    Mostly Sunny

Today 13 Sep Sierra Nevada of Yuba-Sierra-Nevada-Placer Counties Between 3000-5000 ft Including Interstate 80

Sunny. Haze in the late morning and early afternoon. Highs 63 to 73. Southwest Winds up to 10 Mph with Gusts to around 20 Mph.

Tonight 13 Sep Sierra Nevada of Yuba-Sierra-Nevada-Placer Counties Between 3000-5000 ft Including Interstate 80

Clear. Lows 47 to 57. Light Winds becoming northeast around 10 Mph with Gusts to around 25 Mph after midnight.

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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

    59.5 °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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