Lake Otatsy Weather Forecast

    • 54
    • 77

    Areas Smoke

    • 55
    • 77

    Sunny

    • 56
    • 78

    Sunny

    • 57
    • 80

    Sunny

    • 56
    • 83

    Mostly Sunny

    • 47
    • 71

    Sunny

Today 28 Jul Butte/Blackfoot Region

Mostly sunny. Areas of smoke through the day. Highs in the 80s to lower 90s. West Winds to 15 Mph.

Tonight 28 Jul Butte/Blackfoot Region

Mostly clear. Areas of smoke. Lows in the upper 40s to mid 50s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Otatsy Temperature Statistics

July Temperature

Missoula, Missoula International Airport (52.8 miles)

  • Lowest 2 July, 2026

    45.6 °F

  • Average July

    72.2 °F

  • Highest 25 July, 2026

    99 °F

Climate (2021–2026)

Missoula, Missoula International Airport (52.8 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    47.5 °F

  • Average High 2021–2026

    59.7 °F
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