Hamilton Weather Forecast

    • 51
    • 81

    Slight Chance Thunderstorms

    • 50
    • 80

    Chance Thunderstorms

    • 48
    • 80

    Mostly Sunny

    • 50
    • 84

    Mostly Sunny

    • 49
    • 86

    Partly Sunny

    • 44
    • 76

    Chance Rain

    • 39
    • 64

    Rain Showers Likely

Today 15 Jun Missoula/Bitterroot Valleys

Mostly cloudy. A 20 percent chance of Showers and Thunderstorms in the afternoon. Highs near 80.

Tonight 15 Jun Missoula/Bitterroot Valleys

Partly cloudy early in the evening then becoming mostly cloudy. Lows near 50.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hamilton Temperature Statistics

June Temperature

Missoula, Missoula International Airport (46.6 miles)

  • Lowest 3 June, 2025

    37.7 °F

  • Average June

    65.1 °F

  • Highest 9 June, 2025

    94.6 °F

Climate (2020–Present)

Missoula, Missoula International Airport (46.6 miles)

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  • Average Low 2020–2025

    35.4 °F

  • Average 2020–2025

    46.9 °F

  • Average High 2020–2025

    59.1 °F
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