Boulder Reservoir Weather Forecast

    • 36
    • 66

    Breezy

    • 44
    • 66

    Mostly Cloudy

    • 37
    • 64

    Partly Sunny

    • 37
    • 63

    Mostly Sunny

    • 40
    • 67

    Mostly Sunny

    • 42
    • 71

    Mostly Sunny

Today 25 Sep Northern Washoe County

Mostly cloudy in the morning then clearing. Areas of blowing dust in the afternoon. Highs 73 to 83. Southwest Winds 10 to 15 Mph increasing to 20 to 30 Mph in the afternoon. Gusts up to 40 Mph.

Tonight 25 Sep Northern Washoe County

Partly cloudy in the evening then becoming mostly cloudy. Areas of blowing dust in the evening. Lows 37 to 47. Northwest Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening.

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Boulder Reservoir Temperature Statistics

September Temperature

Alturas (42.9 miles)

  • Lowest 14 September, 2026

    28.7 °F

  • Average September

    59 °F

  • Highest 10 September, 2026

    85.6 °F

Climate (2021–2026)

Alturas (42.9 miles)

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  • Average Low 2021–2026

    33.2 °F

  • Average 2021–2026

    49.1 °F

  • Average High 2021–2026

    64.7 °F
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