Boneau Reservoir Weather Forecast

    • 62
    • 93

    Increasing Clouds

    • 56
    • 90

    Slight Chance Thunderstorms

    • 53
    • 79

    Mostly Sunny

    • 53
    • 77

    Mostly Sunny

    • 56
    • 80

    Mostly Sunny

    • 57
    • 83

    Mostly Sunny

Today 19 Aug Bears Paw Mountains and Southern Blaine

Sunny. Highs 90 to 95. South Winds up to 10 Mph shifting to the southwest in the afternoon.

Tonight 19 Aug Bears Paw Mountains and Southern Blaine

Partly cloudy with a 20 percent chance of rain Showers. Lows 60 to 65. Northeast Winds up to 10 Mph.

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Boneau Reservoir Temperature Statistics

August Temperature

Havre, Havre City-County Airport (16.8 miles)

  • Lowest 8 August, 2025

    53.7 °F

  • Average August

    69 °F

  • Highest 13 August, 2025

    95.6 °F

Climate (2020–Present)

Havre, Havre City-County Airport (16.8 miles)

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  • Average Low 2020–2025

    32.2 °F

  • Average 2020–2025

    45.1 °F

  • Average High 2020–2025

    57.6 °F
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