Sierra City Weather Forecast

    • 61
    • 90

    Partly Sunny

    • 58
    • 86

    Mostly Sunny

    • 50
    • 77

    Mostly Sunny

    • 50
    • 75

    Mostly Sunny

    • 53
    • 80

    Mostly Sunny

    • 54
    • 77

    Mostly Sunny

Today 10 Sep Sierra Nevada of Yuba-Sierra-Nevada-Placer Counties Between 3000-5000 ft Including Interstate 80

Partly cloudy. A slight chance of rain in the afternoon. Highs 81 to 91. Light Winds becoming southwest up to 10 Mph in the afternoon.

Tonight 10 Sep Sierra Nevada of Yuba-Sierra-Nevada-Placer Counties Between 3000-5000 ft Including Interstate 80

Clear. Lows 57 to 67. 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

    54.8 °F

  • Highest 8 September, 2026

    75 °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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