Threemile Reservoir Weather Forecast

    • 35
    • 68

    Mostly Sunny

    • 40
    • 74

    Mostly Sunny

    • 34
    • 74

    Rain Likely

    • 24
    • 51

    Chance Rain

    • 23
    • 47

    Partly Sunny

    • 27
    • 54

    Chance Rain/Snow

Today 9 Oct Northern Blaine County

Cooler, sunny. Highs in the mid 60s. Northeast Winds up to 10 Mph.

Tonight 9 Oct Northern Blaine County

Mostly clear. Lows 35 to 40. East Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Threemile Reservoir Temperature Statistics

October Temperature

Havre, Havre City-County Airport (51.6 miles)

  • Lowest 6 October, 2025

    25 °F

  • Average October

    50.4 °F

  • Highest 2 October, 2025

    75 °F

Climate (2020–Present)

Havre, Havre City-County Airport (51.6 miles)

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  • Average Low 2020–2025

    32.2 °F

  • Average 2020–2025

    45.1 °F

  • Average High 2020–2025

    57.7 °F
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