Upsata Lake Weather Forecast

    • 43
    • 80

    Decreasing Clouds

    • 37
    • 74

    Mostly Sunny

    • 46
    • 84

    Partly Sunny

    • 43
    • 84

    Mostly Cloudy

    • 40
    • 72

    Slight Chance Thunderstorms

    • 38
    • 69

    Slight Chance Rain

Today 10 May Butte/Blackfoot Region

Partly cloudy. Highs in the 70s. West Winds to 15 Mph in the afternoon.

Tonight 10 May Butte/Blackfoot Region

Mostly cloudy in the evening then becoming partly cloudy. Lows in the 40s. West Winds to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upsata Lake Temperature Statistics

May Temperature

Missoula, Missoula International Airport (42.3 miles)

  • Lowest 1 May, 2026

    31.6 °F

  • Average May

    55 °F

  • Highest 3 May, 2026

    77.6 °F

Climate (2021–Present)

Missoula, Missoula International Airport (42.3 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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