Hemlock Lake Weather Forecast

    • 24
    • 38

    Snow

    • 29
    • 46

    Partly Sunny

    • 33
    • 49

    Chance Rain

    • 35
    • 50

    Slight Chance Rain/Snow

    • 38
    • 55

    Partly Sunny

    • 38
    • 55

    Chance Rain

Today 17 May Potomac/Seeley Lake Region

Rain and snow likely in the Morning, then rain Showers likely with possible snow Showers and Thunderstorms in the afternoon. Patchy fog early in the morning. Chance of precipitation 70 percent. Snow level 4500 feet. Little or no new snow accumulation. Highs in the 40s.

Tonight 17 May Potomac/Seeley Lake Region

Mostly cloudy with a 50 percent chance of rain and snow in the Evening, then mostly clear after midnight. Widespread frost after midnight. Lows in the 20s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hemlock Lake Temperature Statistics

May Temperature

Missoula, Missoula International Airport (37.3 miles)

  • Lowest 1 May, 2026

    31.6 °F

  • Average May

    56.1 °F

  • Highest 12 May, 2026

    82.7 °F

Climate (2021–Present)

Missoula, Missoula International Airport (37.3 miles)

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  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    59.9 °F
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