Ackley Lake State Park Weather Forecast

    • 30
    • 46

    Mostly Sunny

    • 29
    • 61

    Breezy

    • 30
    • 53

    Chance Rain Showers

    • 37
    • 60

    Partly Sunny

    • 40
    • 69

    Mostly Cloudy

    • 37
    • 61

    Chance Rain Showers

Today 20 Apr Judith Basin County and Judith Gap

Not as cool. Sunny. Highs in the mid 40s. Southeast Winds 5 to 15 Mph.

Tonight 20 Apr Judith Basin County and Judith Gap

Mostly clear. Lows around 30. South Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ackley Lake State Park Temperature Statistics

April Temperature

Lewistown, Lewistown Municipal Airport (22.4 miles)

  • Lowest 1 April, 2024

    21.8 °F

  • Average April

    43.7 °F

  • Highest 14 April, 2024

    76.6 °F

Climate (2019–Present)

Lewistown, Lewistown Municipal Airport (22.4 miles)

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  • Average Low 2019–2024

    32.2 °F

  • Average 2019–2024

    43.9 °F

  • Average High 2019–2024

    55.4 °F
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