Williams Lake Weather Forecast

    • 42
    • 65

    Slight Chance Thunderstorms

    • 41
    • 62

    Mostly Sunny

    • 43
    • 66

    Mostly Sunny

    • 41
    • 68

    Partly Sunny

    • 36
    • 57

    Rain/Snow Likely

    • 34
    • 43

    Rain

Today 16 Jun Northern Clearwater Mountains

Partly cloudy. A 20 percent chance of Showers and Thunderstorms in the afternoon. Highs in the upper 70s to mid 80s.

Tonight 16 Jun Northern Clearwater Mountains

Mostly cloudy with a 20 percent chance of rain in the Evening, then partly cloudy after midnight. Lows in the 40s.

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Williams Lake Temperature Statistics

June Temperature

Missoula, Missoula International Airport (37.9 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 (37.9 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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