Cottage Grove Heights Weather Forecast

    • 65
    • 67

    Rain Showers

    • 59
    • 72

    Rain Showers

    • 51
    • 63

    Mostly Sunny

    • 50
    • 62

    Partly Sunny

    • 49
    • 65

    Mostly Sunny

    • 47
    • 60

    Mostly Sunny

Today 30 Sep Central Cook

Showers and a slight chance of Thunderstorms. Near steady temperature in the mid 60s. Southwest Winds around 10 Mph. Chance of precipitation near 100 percent.

Tonight 30 Sep Central Cook

Showers. A slight chance of Thunderstorms after midnight. Near steady temperature in the mid 60s. Southwest Winds 5 to 10 Mph. Chance of precipitation 90 percent.

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Cottage Grove Heights Temperature Statistics

September Temperature

Chicago, Chicago Midway Airport (9.3 miles)

  • Lowest 27 September, 2026

    50 °F

  • Average September

    71.2 °F

  • Highest 2 September, 2026

    96.1 °F

Climate (2021–2026)

Chicago, Chicago Midway Airport (9.3 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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