Boulder Reservoir Weather Forecast

    • 56
    • 85

    Slight Chance Thunderstorms

    • 54
    • 82

    Slight Chance Thunderstorms

    • 53
    • 87

    Mostly Sunny

    • 54
    • 85

    Sunny

    • 56
    • 88

    Sunny

    • 56
    • 90

    Mostly Sunny

Today 5 Jul Northern Washoe County

Mostly cloudy. Slight chance of Showers and Thunderstorms in the afternoon. Highs 86 to 96. West Winds 10 to 15 Mph.

Tonight 5 Jul Northern Washoe County

Mostly cloudy. Slight chance of Showers and Thunderstorms in the Evening, then slight chance of Showers after midnight. Lows 55 to 65. Northwest 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

    63.5 °F

  • Highest 3 July, 2026

    87.1 °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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