Boulder Reservoir Weather Forecast

    • 27
    • 50

    Mostly Sunny

    • 30
    • 51

    Mostly Cloudy

    • 28
    • 48

    Partly Sunny

    • 28
    • 45

    Chance Rain/Snow

    • 24
    • 42

    Mostly Sunny

    • 29
    • 47

    Mostly Cloudy

Today 28 Oct Northern Washoe County

Partly cloudy in the morning then becoming sunny. Highs 51 to 61. Light Winds.

Tonight 28 Oct Northern Washoe County

Clear. Lows 24 to 34. Light Winds.

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Boulder Reservoir Temperature Statistics

October Temperature

Alturas (42.9 miles)

  • Lowest 12 October, 2026

    15.7 °F

  • Average October

    52.4 °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

    64.9 °F
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