Boulder Reservoir Weather Forecast

    • 37
    • 62

    Mostly Sunny

    • 40
    • 66

    Mostly Sunny

    • 31
    • 62

    Mostly Sunny

    • 36
    • 60

    Mostly Sunny

    • 35
    • 61

    Partly Sunny

    • 36
    • 61

    Partly Sunny

Today 17 Oct Northern Washoe County

Mostly cloudy in the morning then clearing. Highs 61 to 71. Light Winds becoming south around 10 Mph in the afternoon.

Tonight 17 Oct Northern Washoe County

Clear. Lows 35 to 45. Light Winds.

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Boulder Reservoir Temperature Statistics

October Temperature

Alturas (42.9 miles)

  • Lowest 15 October, 2025

    30 °F

  • Average October

    49.5 °F

  • Highest 7 October, 2025

    73 °F

Climate (2020–Present)

Alturas (42.9 miles)

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  • Average Low 2020–2025

    33 °F

  • Average 2020–2025

    49.1 °F

  • Average High 2020–2025

    64.3 °F
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