Boulder Lake Weather Forecast

    • 36
    • 45

    Increasing Clouds

    • 38
    • 50

    Partly Sunny

    • 36
    • 48

    Partly Sunny

    • 39
    • 50

    Partly Sunny

    • 34
    • 48

    Rain

    • 25
    • 35

    Chance Rain/Snow

Today 18 Oct Potomac/Seeley Lake Region

Partly cloudy in the morning then clearing. Highs in the mid 50s to lower 60s.

Tonight 18 Oct Potomac/Seeley Lake Region

Partly cloudy. Lows in the 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Boulder Lake Temperature Statistics

October Temperature

Missoula, Missoula International Airport (15.5 miles)

  • Lowest 15 October, 2026

    26.1 °F

  • Average October

    50.2 °F

  • Highest 5 October, 2026

    81.6 °F

Climate (2021–2026)

Missoula, Missoula International Airport (15.5 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    59.8 °F
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