Rainy Lake Weather Forecast

    • 36
    • 63

    Increasing Clouds

    • 40
    • 70

    Partly Sunny

    • 43
    • 76

    Mostly Sunny

    • 44
    • 78

    Mostly Sunny

    • 44
    • 79

    Chance Rain

    • 42
    • 68

    Rain Showers Likely

    • 41
    • 67

    Chance Rain

Today 21 May Potomac/Seeley Lake Region

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

Tonight 21 May Potomac/Seeley Lake Region

Partly cloudy. Areas of frost late in the night. Lows in the 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rainy Lake Temperature Statistics

May Temperature

Missoula, Missoula International Airport (36.7 miles)

  • Lowest 18 May, 2026

    27 °F

  • Average May

    53.6 °F

  • Highest 12 May, 2026

    82.7 °F

Climate (2021–Present)

Missoula, Missoula International Airport (36.7 miles)

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  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    59.8 °F
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