Jeffrey Manor Weather Forecast

    • 64
    • 81

    Increasing Clouds

    • 66
    • 79

    Chance Thunderstorms

    • 66
    • 79

    Mostly Sunny

    • 67
    • 80

    Mostly Sunny

    • 66
    • 80

    Partly Sunny

    • 67
    • 81

    Partly Sunny

    • 65
    • 82

    Chance Rain Showers

Today 12 Sep Central Cook

Mostly sunny late in the Morning, then becoming partly cloudy. Highs in the mid 80s Inland, but only in the upper 70s near the lake. Southeast Winds 5 to 10 Mph.

Tonight 12 Sep Central Cook

Increasing cloudiness. A slight chance of Showers and Thunderstorms toward day break. Lows in the mid 60s. Southeast Winds 5 to 10 Mph. Chance of precipitation 20 percent.

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Jeffrey Manor Temperature Statistics

September Temperature

Gary Regional Airport (10.6 miles)

  • Lowest 8 September, 2025

    42.8 °F

  • Average September

    61.6 °F

  • Highest 10 September, 2025

    84.2 °F

Climate (2020–Present)

Gary Regional Airport (10.6 miles)

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  • Average Low 2020–2025

    43.6 °F

  • Average 2020–2025

    51.4 °F

  • Average High 2020–2025

    60.8 °F
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