Lake Agnes Weather Forecast

    • 49
    • 65

    Decreasing Clouds

    • 53
    • 69

    Mostly Sunny

    • 55
    • 75

    Mostly Sunny

    • 50
    • 73

    Mostly Sunny

    • 50
    • 70

    Mostly Sunny

    • 48
    • 70

    Mostly Sunny

Today 17 Aug Northwest Beaverhead County

Haze in the morning. Partly cloudy in the Morning, then mostly cloudy with rain Showers likely and chance of Thunderstorms in the afternoon. Highs 65 to 75. Southwest Winds 5 to 15 Mph. Chance of precipitation 70 percent.

Tonight 17 Aug Northwest Beaverhead County

Mostly cloudy with a 30 percent chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows 45 to 50. Southeast Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Agnes Temperature Statistics

August Temperature

Dillon, Dillon Airport (22.4 miles)

  • Lowest 8 August, 2025

    41.6 °F

  • Average August

    65.3 °F

  • Highest 13 August, 2025

    91.7 °F

Climate (2020–Present)

Dillon, Dillon Airport (22.4 miles)

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  • Average Low 2020–2025

    30.6 °F

  • Average 2020–2025

    42.8 °F

  • Average High 2020–2025

    55.8 °F
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