Little Grass Valley Weather Forecast

    • 52
    • 73

    Mostly Sunny

    • 56
    • 82

    Partly Sunny

    • 52
    • 78

    Partly Sunny

    • 50
    • 72

    Mostly Sunny

    • 42
    • 62

    Mostly Sunny

    • 46
    • 64

    Sunny

    • 46
    • 64

    Mostly Sunny

Today 8 Sep Sierra Nevada of Tehama-Butte-Plumas Counties Above 3000 ft

Mostly sunny. Warmer. Highs 72 to 82. Light Winds.

Tonight 8 Sep Sierra Nevada of Tehama-Butte-Plumas Counties Above 3000 ft

Clear. Lows 50 to 60. Light Winds becoming northeast up to 10 Mph with Gusts to around 20 Mph after midnight.

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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

    52 °F

  • Highest 6 September, 2026

    62.1 °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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