Boulder Reservoir Weather Forecast

    • 49
    • 78

    Increasing Clouds

    • 50
    • 78

    Becoming Sunny

    • 50
    • 81

    Mostly Sunny

    • 52
    • 81

    Partly Sunny

    • 50
    • 81

    Partly Sunny

    • 50
    • 78

    Partly Sunny

    • 49
    • 78

    Partly Sunny

Today 13 Aug Northern Washoe County

Partly cloudy. Slight chance of Showers and Thunderstorms in the afternoon. Highs 78 to 88. Southwest Winds 10 to 15 Mph.

Tonight 13 Aug Northern Washoe County

Mostly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows 49 to 59. Southwest Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening.

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Boulder Reservoir Temperature Statistics

August Temperature

Alturas (42.9 miles)

  • Lowest 4 August, 2026

    43.6 °F

  • Average August

    72.9 °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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