Boulder Reservoir Weather Forecast

    • 53
    • 84

    Breezy

    • 56
    • 84

    Increasing Clouds

    • 54
    • 84

    Partly Sunny

    • 53
    • 84

    Partly Sunny

    • 51
    • 85

    Mostly Sunny

    • 51
    • 84

    Mostly Sunny

    • 51
    • 84

    Mostly Sunny

Today 22 Aug Northern Washoe County

Partly cloudy in the morning then becoming sunny. Highs 86 to 96. Southwest Winds around 10 Mph increasing to 15 to 25 Mph with Gusts up to 35 Mph in the afternoon.

Tonight 22 Aug Northern Washoe County

Clear. Lows 52 to 62. West Winds 15 to 20 Mph with Gusts up to 35 Mph decreasing to around 10 Mph after midnight.

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Boulder Reservoir Temperature Statistics

August Temperature

Alturas (42.9 miles)

  • Lowest 16 August, 2026

    38.6 °F

  • Average August

    70.5 °F

  • Highest 7 August, 2026

    101.6 °F

Climate (2021–2026)

Alturas (42.9 miles)

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  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    49.3 °F

  • Average High 2021–2026

    64.8 °F
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