Spirit Lake Weather Forecast

    • 60
    • 79

    Mostly Cloudy

    • 64
    • 81

    Slight Chance Thunderstorms

    • 61
    • 80

    Chance Thunderstorms

    • 60
    • 83

    Chance Thunderstorms

    • 57
    • 76

    Chance Thunderstorms

    • 51
    • 68

    Chance Rain Showers

Today 13 Sep South Aitkin

Mostly sunny. Near steady temperature in the lower 70s. East Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 13 Sep South Aitkin

Mostly cloudy. Patchy fog after midnight. Humid with Lows in the upper 50s. East Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Spirit Lake Temperature Statistics

September Temperature

Aitkin Municipal Airport - Steve Kurtz Field (7.5 miles)

  • Lowest 7 September, 2025

    33.8 °F

  • Average September

    55.1 °F

  • Highest 1 September, 2025

    75.2 °F

Climate (2020–Present)

Aitkin Municipal Airport - Steve Kurtz Field (7.5 miles)

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  • Average Low 2020–2025

    31.5 °F

  • Average 2020–2025

    42.8 °F

  • Average High 2020–2025

    52.9 °F
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