Boulder Reservoir Weather Forecast

    • 28
    • 41

    Increasing Clouds

    • 32
    • 46

    Mostly Cloudy

    • 33
    • 51

    Mostly Cloudy

    • 35
    • 52

    Mostly Cloudy

    • 29
    • 51

    Mostly Cloudy

    • 29
    • 47

    Mostly Sunny

    • 30
    • 50

    Mostly Sunny

Today 28 Jan Northern Washoe County

Mostly cloudy in the morning then becoming partly cloudy. Highs 41 to 51. Light Winds becoming southwest around 10 Mph in the afternoon.

Tonight 28 Jan Northern Washoe County

Partly cloudy. Lows 23 to 28. Light Winds.

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Boulder Reservoir Temperature Statistics

January Temperature

Alturas (42.9 miles)

  • Lowest 9 January, 2026

    4.6 °F

  • Average January

    36.1 °F

  • Highest 14 January, 2026

    60.7 °F

Climate (2021–Present)

Alturas (42.9 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    49.5 °F

  • Average High 2021–2026

    64.6 °F
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