Banner Reservoir Weather Forecast

    • 50
    • 67

    Sunny

    • 58
    • 76

    Patchy Smoke

    • 58
    • 82

    Mostly Sunny

    • 59
    • 80

    Partly Sunny

    • 58
    • 80

    Mostly Sunny

    • 59
    • 81

    Sunny

    • 60
    • 83

    Mostly Sunny

Today 17 Sep Sierra Nevada of Yuba-Sierra-Nevada-Placer Counties Between 3000-5000 ft Including Interstate 80

Mostly clear. Lows 53 to 63. Highs 75 to 85.

Tonight 17 Sep Sierra Nevada of Yuba-Sierra-Nevada-Placer Counties Between 3000-5000 ft Including Interstate 80

Clear. Lows 43 to 52. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Banner Reservoir Temperature Statistics

September Temperature

Nevada County Air Park (1.2 miles)

  • Lowest 1 September, 2026

    48.2 °F

  • Average September

    67 °F

  • Highest 9 September, 2026

    91.4 °F

Climate (2021–2026)

Nevada County Air Park (1.2 miles)

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  • Average Low 2021–2026

    52.1 °F

  • Average 2021–2026

    60.1 °F

  • Average High 2021–2026

    68.4 °F
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