Rock Lake Weather Forecast

    • 37
    • 63

    Mostly Cloudy

    • 35
    • 61

    Partly Sunny

    • 35
    • 64

    Mostly Sunny

    • 39
    • 65

    Partly Sunny

    • 45
    • 64

    Slight Chance Rain Showers

    • 48
    • 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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Rock Lake Temperature Statistics

September Temperature

Mc Gregor - Isedor Iverson Airport (3.1 miles)

  • Lowest 14 September, 2026

    33.8 °F

  • Average September

    62.9 °F

  • Highest 2 September, 2026

    82.4 °F

Climate (2021–2026)

Mc Gregor - Isedor Iverson Airport (3.1 miles)

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  • Average Low 2021–2026

    32.9 °F

  • Average 2021–2026

    42.9 °F

  • Average High 2021–2026

    52.5 °F
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