Boulder Reservoir Weather Forecast

    • 55
    • 85

    Mostly Sunny

    • 56
    • 86

    Mostly Sunny

    • 55
    • 88

    Mostly Sunny

    • 56
    • 90

    Partly Sunny

    • 58
    • 87

    Mostly Cloudy

    • 57
    • 84

    Partly Sunny

Today 8 Jul Northern Washoe County

Sunny. Highs 88 to 98. West Winds 10 to 15 Mph.

Tonight 8 Jul Northern Washoe County

Clear. Lows 54 to 64. West Winds 10 to 15 Mph. Gusts up to 30 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

    66.8 °F

  • Highest 4 July, 2026

    93.7 °F

Climate (2021–2026)

Alturas (42.9 miles)

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  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    64.8 °F
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