Boulder Reservoir Weather Forecast

    • 37
    • 71

    Sunny

    • 38
    • 65

    Mostly Sunny

    • 30
    • 57

    Breezy

    • 30
    • 50

    Breezy

    • 34
    • 62

    Mostly Sunny

    • 39
    • 68

    Mostly Sunny

Today 14 May Northern Washoe County

Sunny. Highs 76 to 86. Light Winds becoming southwest around 10 Mph in the afternoon.

Tonight 14 May Northern Washoe County

Clear. Lows 37 to 47. Northwest Winds 15 to 25 Mph decreasing to 10 to 15 Mph after midnight. Gusts up to 35 Mph.

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Boulder Reservoir Temperature Statistics

May Temperature

Alturas (42.9 miles)

  • Lowest 1 May, 2026

    30.7 °F

  • Average May

    61 °F

  • Highest 12 May, 2026

    87.1 °F

Climate (2021–Present)

Alturas (42.9 miles)

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  • Average Low 2021–2026

    33.6 °F

  • Average 2021–2026

    49.7 °F

  • Average High 2021–2026

    65 °F
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