Boulder Reservoir Weather Forecast

    • 49
    • 74

    Slight Chance Thunderstorms

    • 50
    • 79

    Sunny

    • 54
    • 84

    Sunny

    • 54
    • 89

    Sunny

    • 53
    • 86

    Sunny

    • 52
    • 86

    Mostly Sunny

Today 20 Jun Northern Washoe County

Partly cloudy. Slight chance of Showers and Thunderstorms in the afternoon. Highs 79 to 89. West Winds 10 to 15 Mph.

Tonight 20 Jun Northern Washoe County

Partly cloudy in the evening then clearing. Lows 48 to 58. Northwest Winds 10 to 15 Mph.

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Boulder Reservoir Temperature Statistics

June Temperature

Alturas (42.9 miles)

  • Lowest 10 June, 2026

    33.7 °F

  • Average June

    62.9 °F

  • Highest 16 June, 2026

    95.6 °F

Climate (2021–2026)

Alturas (42.9 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    65 °F
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