Round Lake Weather Forecast

    • 48
    • 82

    Slight Chance Thunderstorms

    • 44
    • 70

    Chance Rain Showers

    • 40
    • 64

    Partly Sunny

    • 45
    • 75

    Partly Sunny

    • 50
    • 82

    Partly Sunny

    • 54
    • 88

    Partly Sunny

Today 20 Jun Eastern Pondera and Eastern Teton

Warmer. Mostly sunny. A 20 percent chance of Thunderstorms late in the afternoon. Highs in the lower 80s. Southeast Winds 5 to 10 Mph.

Tonight 20 Jun Eastern Pondera and Eastern Teton

Mostly cloudy with a 50 percent chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the upper 40s. Southwest Winds 5 to 10 Mph shifting to the northwest 10 to 15 Mph with Gusts to around 30 Mph after midnight.

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Round Lake Temperature Statistics

June Temperature

Cut Bank, Cut Bank Municipal Airport (46 miles)

  • Lowest 18 June, 2026

    48.9 °F

  • Average June

    56.8 °F

  • Highest 18 June, 2026

    62.1 °F

Climate (2021–2026)

Cut Bank, Cut Bank Municipal Airport (46 miles)

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  • Average Low 2021–2026

    31.6 °F

  • Average 2021–2026

    43.9 °F

  • Average High 2021–2026

    55.6 °F
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