Long Lake State Recreation Area Weather Forecast

    • 49
    • 65

    Chance Rain Showers

    • 51
    • 71

    Slight Chance Rain Showers

    • 56
    • 75

    Partly Sunny

    • 56
    • 83

    Mostly Sunny

    • 51
    • 78

    Mostly Sunny

    • 53
    • 79

    Mostly Sunny

Today 18 Sep Brown

Mostly cloudy with a 20 percent chance of Showers. Highs in the mid 60s. Northwest Winds 10 to 15 Mph.

Tonight 18 Sep Brown

Mostly cloudy. Lows in the upper 40s. Northwest Winds around 10 Mph in the Evening, becoming light and variable.

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Long Lake State Recreation Area Temperature Statistics

September Temperature

Ainsworth Regional Airport (19.9 miles)

  • Lowest 6 September, 2025

    38.3 °F

  • Average September

    66.2 °F

  • Highest 12 September, 2025

    94.5 °F

Climate (2020–Present)

Ainsworth Regional Airport (19.9 miles)

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  • Average Low 2020–2025

    37.5 °F

  • Average 2020–2025

    49.3 °F

  • Average High 2020–2025

    61.7 °F
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