Brainerd Weather Forecast

    • 65
    • 77

    Mostly Sunny

    • 65
    • 78

    Mostly Sunny

    • 74
    • 86

    Partly Sunny

    • 67
    • 87

    Partly Sunny

    • 63
    • 80

    Partly Sunny

    • 64
    • 81

    Partly Sunny

Today 6 Sep Central Cook

Mostly sunny. Highs in the upper 70s. Northeast Winds 5 to 10 Mph.

Tonight 6 Sep Central Cook

Mostly clear. Lows in the mid 60s. Northeast Winds 5 to 10 Mph, becoming east after midnight.

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Brainerd Temperature Statistics

September Temperature

Chicago, Chicago Midway Airport (6.2 miles)

  • Lowest 1 September, 2026

    78.1 °F

  • Average September

    85.3 °F

  • Highest 2 September, 2026

    96.1 °F

Climate (2021–2026)

Chicago, Chicago Midway Airport (6.2 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    61.9 °F
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