Boulder Reservoir Weather Forecast

    • 57
    • 90

    Mostly Sunny

    • 57
    • 92

    Mostly Sunny

    • 58
    • 95

    Sunny

    • 59
    • 95

    Mostly Sunny

    • 58
    • 93

    Mostly Sunny

    • 58
    • 91

    Sunny

    • 56
    • 90

    Mostly Sunny

Today 4 Aug Northern Washoe County

Sunny. Haze and patchy smoke. Highs 91 to 101. East Winds 10 to 15 Mph.

Tonight 4 Aug Northern Washoe County

Clear. Haze and patchy smoke. Lows 56 to 66. Northwest Winds 10 to 15 Mph.

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Boulder Reservoir Temperature Statistics

August Temperature

Alturas (42.9 miles)

  • Lowest 1 August, 2026

    46.7 °F

  • Average August

    71.6 °F

  • Highest 1 August, 2026

    95.6 °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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