Sly Creek Reservoir Weather Forecast

    • 53
    • 66

    Sunny

    • 54
    • 78

    Sunny

    • 55
    • 75

    Sunny

    • 56
    • 75

    Sunny

    • 56
    • 78

    Mostly Sunny

    • 57
    • 79

    Mostly Sunny

Today 13 Sep Sierra Nevada of Tehama-Butte-Plumas Counties Above 3000 ft

Haze until late afternoon. Sunny. Highs 60 to 70. West Winds up to 10 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 13 Sep Sierra Nevada of Tehama-Butte-Plumas Counties Above 3000 ft

Clear. Lows 40 to 50. Light Winds becoming northeast 10 to 15 Mph with Gusts to around 30 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sly Creek Reservoir Temperature Statistics

September Temperature

Nevada County Air Park (26.1 miles)

  • Lowest 1 September, 2026

    48.2 °F

  • Average September

    66.9 °F

  • Highest 9 September, 2026

    91.4 °F

Climate (2021–2026)

Nevada County Air Park (26.1 miles)

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  • Average Low 2021–2026

    52.1 °F

  • Average 2021–2026

    60.2 °F

  • Average High 2021–2026

    68.4 °F
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