Boulder Lake Weather Forecast

    • 16
    • 36

    Partly Cloudy

    • 22
    • 38

    Mostly Cloudy

    • 24
    • 43

    Partly Sunny

    • 29
    • 48

    Mostly Sunny

    • 30
    • 51

    Mostly Sunny

    • 28
    • 54

    Mostly Sunny

    • 27
    • 53

    Sunny

Today 9 Jan Northern Washoe County

Partly cloudy in the morning then clearing. Highs 33 to 43. Light Winds.

Tonight 9 Jan Northern Washoe County

Clear in the evening then becoming partly cloudy. Lows 14 to 24. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Boulder Lake Temperature Statistics

January Temperature

Alturas (37.3 miles)

  • Lowest 7 January, 2026

    26.1 °F

  • Average January

    39.7 °F

  • Highest 2 January, 2026

    51.1 °F

Climate (2021–Present)

Alturas (37.3 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    64.5 °F
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