Grasshopper Reservoir Weather Forecast

    • 58
    • 81

    Increasing Clouds

    • 63
    • 86

    Chance Rain Showers

    • 63
    • 93

    Mostly Sunny

    • 58
    • 88

    Mostly Sunny

    • 52
    • 76

    Mostly Sunny

    • 51
    • 74

    Mostly Sunny

Today 17 Aug Bears Paw Mountains and Southern Blaine

Partly cloudy. Highs 80 to 85. West Winds 5 to 15 Mph.

Tonight 17 Aug Bears Paw Mountains and Southern Blaine

Mostly cloudy with a 20 percent chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows 55 to 60. Southwest Winds up to 10 Mph.

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Grasshopper Reservoir Temperature Statistics

August Temperature

Havre, Havre City-County Airport (23.6 miles)

  • Lowest 8 August, 2025

    53.7 °F

  • Average August

    68.5 °F

  • Highest 13 August, 2025

    95.6 °F

Climate (2020–Present)

Havre, Havre City-County Airport (23.6 miles)

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  • Average Low 2020–2025

    32.1 °F

  • Average 2020–2025

    45.1 °F

  • Average High 2020–2025

    57.6 °F
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