Boulder Reservoir Weather Forecast

    • 51
    • 86

    Mostly Sunny

    • 51
    • 84

    Mostly Sunny

    • 53
    • 86

    Sunny

    • 55
    • 88

    Sunny

    • 54
    • 90

    Sunny

    • 55
    • 91

    Mostly Sunny

Today 26 Jul Northern Washoe County

Sunny. Highs 88 to 98. Southwest Winds 10 to 15 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 26 Jul Northern Washoe County

Clear. Lows 50 to 60. West Winds 15 to 25 Mph with Gusts up to 35 Mph decreasing to around 10 Mph after midnight.

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Boulder Reservoir Temperature Statistics

July Temperature

Alturas (42.9 miles)

  • Lowest 1 July, 2026

    38.6 °F

  • Average July

    70.2 °F

  • Highest 24 July, 2026

    96.1 °F

Climate (2021–2026)

Alturas (42.9 miles)

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  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    49.3 °F

  • Average High 2021–2026

    64.7 °F
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