Thornton Lake Weather Forecast

    • 47
    • 73

    Increasing Clouds

    • 25
    • 60

    Rain Likely

    • 23
    • 38

    Partly Sunny

    • 27
    • 46

    Mostly Sunny

    • 39
    • 61

    Partly Sunny

    • 37
    • 65

    Mostly Sunny

Today 16 Apr South Aitkin

Sunny. Highs in the mid 70s. South Winds 10 to 15 Mph.

Tonight 16 Apr South Aitkin

Mostly clear in the Evening, then becoming partly cloudy. Not as cool with Lows in the lower 50s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thornton Lake Temperature Statistics

April Temperature

Aitkin Municipal Airport - Steve Kurtz Field (8.7 miles)

  • Lowest 7 April, 2026

    5 °F

  • Average April

    35.6 °F

  • Highest 12 April, 2026

    80.6 °F

Climate (2021–Present)

Aitkin Municipal Airport - Steve Kurtz Field (8.7 miles)

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  • Average Low 2021–2026

    31 °F

  • Average 2021–2026

    42.4 °F

  • Average High 2021–2026

    52.6 °F
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