Otter Lake Weather Forecast

    • 38
    • 63

    Mostly Cloudy

    • 35
    • 62

    Mostly Sunny

    • 38
    • 63

    Mostly Sunny

    • 43
    • 64

    Partly Sunny

    • 48
    • 65

    Slight Chance Rain Showers

    • 51
    • 69

    Partly Sunny

Today 20 Sep Northern Aitkin

Patchy fog this morning. Partly sunny. Highs in the lower 60s. Northeast Winds 5 to 10 Mph.

Tonight 20 Sep Northern Aitkin

Mostly cloudy. Cooler with Lows in the upper 30s. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Otter Lake Temperature Statistics

September Temperature

Aitkin Municipal Airport - Steve Kurtz Field (21.1 miles)

  • Lowest 14 September, 2026

    34.5 °F

  • Average September

    63.2 °F

  • Highest 3 September, 2026

    86.2 °F

Climate (2021–2026)

Aitkin Municipal Airport - Steve Kurtz Field (21.1 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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