Boulder Reservoir Weather Forecast

    • 55
    • 88

    Mostly Sunny

    • 55
    • 90

    Mostly Sunny

    • 52
    • 87

    Breezy

    • 52
    • 88

    Mostly Sunny

    • 51
    • 85

    Mostly Sunny

    • 53
    • 86

    Mostly Sunny

Today 23 Jul Northern Washoe County

Sunny. Highs 90 to 100. Light Winds becoming southwest 10 to 15 Mph in the afternoon.

Tonight 23 Jul Northern Washoe County

Clear. Lows 54 to 64. West Winds 10 to 15 Mph in the evening becoming light.

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Boulder Reservoir Temperature Statistics

July Temperature

Alturas (42.9 miles)

  • Lowest 1 July, 2026

    38.6 °F

  • Average July

    69.3 °F

  • Highest 11 July, 2026

    95.6 °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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