Thornton Lake Weather Forecast

    • 51
    • 63

    Rain Showers

    • 49
    • 70

    Slight Chance Rain Showers

    • 57
    • 70

    Rain Showers

    • 52
    • 66

    Rain Showers

    • 51
    • 70

    Partly Sunny

    • 44
    • 66

    Partly Sunny

    • 44
    • 63

    Partly Sunny

Today 26 Sep South Aitkin

Partly sunny. Highs in the lower 60s.

Tonight 26 Sep South Aitkin

Showers, mainly this evening. Lows in the lower 50s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thornton Lake Temperature Statistics

September Temperature

Aitkin Municipal Airport - Steve Kurtz Field (8.7 miles)

  • Lowest 14 September, 2026

    34.5 °F

  • Average September

    60.4 °F

  • Highest 3 September, 2026

    86.2 °F

Climate (2021–2026)

Aitkin Municipal Airport - Steve Kurtz Field (8.7 miles)

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  • Average Low 2021–2026

    30.9 °F

  • Average 2021–2026

    42.2 °F

  • Average High 2021–2026

    52.3 °F
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