Boulder Reservoir Weather Forecast

    • 58
    • 89

    Increasing Clouds

    • 58
    • 85

    Mostly Cloudy

    • 56
    • 81

    Slight Chance Thunderstorms

    • 55
    • 82

    Slight Chance Thunderstorms

    • 56
    • 87

    Mostly Sunny

    • 57
    • 89

    Mostly Sunny

Today 11 Jul Northern Washoe County

Sunny. Highs 92 to 102. South Winds 10 to 15 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 11 Jul Northern Washoe County

Partly cloudy in the evening then becoming mostly cloudy. Lows 57 to 67. West Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening.

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Boulder Reservoir Temperature Statistics

July Temperature

Alturas (42.9 miles)

  • Lowest 1 July, 2026

    38.6 °F

  • Average July

    67.9 °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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