Little Grass Valley Weather Forecast

    • 49
    • 73

    Mostly Sunny

    • 46
    • 72

    Mostly Sunny

    • 44
    • 62

    Mostly Sunny

    • 45
    • 63

    Partly Sunny

    • 41
    • 59

    Partly Sunny

    • 42
    • 65

    Mostly Sunny

Today 23 Sep Sierra Nevada of Tehama-Butte-Plumas Counties Above 3000 ft

Sunny. Highs 72 to 82. Light Winds becoming southwest up to 10 Mph in the afternoon.

Tonight 23 Sep Sierra Nevada of Tehama-Butte-Plumas Counties Above 3000 ft

Mostly clear. Lows 46 to 56. Light Winds.

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Little Grass Valley Temperature Statistics

September Temperature

Emigrant Gap, Blue Canyon Nyack Airport (33.6 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 (33.6 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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