Boulder Reservoir Weather Forecast

    • 39
    • 67

    Mostly Sunny

    • 35
    • 68

    Mostly Sunny

    • 35
    • 69

    Mostly Sunny

    • 30
    • 59

    Mostly Cloudy

    • 29
    • 50

    Slight Chance Rain/Snow

    • 28
    • 49

    Chance Rain

Today 16 Oct Northern Washoe County

Sunny. Highs 68 to 78. Southeast Winds 10 to 15 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 16 Oct Northern Washoe County

Clear. Lows 35 to 45. Southeast Winds 10 to 15 Mph with Gusts up to 30 Mph in the evening becoming light.

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Boulder Reservoir Temperature Statistics

October Temperature

Alturas (42.9 miles)

  • Lowest 12 October, 2026

    15.7 °F

  • Average October

    55.8 °F

  • Highest 3 October, 2026

    89.7 °F

Climate (2021–2026)

Alturas (42.9 miles)

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  • Average Low 2021–2026

    33.2 °F

  • Average 2021–2026

    49.2 °F

  • Average High 2021–2026

    64.8 °F
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