Jeffrey Manor Weather Forecast

    • 66
    • 80

    Mostly Sunny

    • 65
    • 79

    Slight Chance Thunderstorms

    • 66
    • 78

    Chance Rain Showers

    • 65
    • 78

    Chance Thunderstorms

    • 64
    • 77

    Chance Rain Showers

    • 62
    • 76

    Chance Rain Showers

Today 18 Sep Central Cook

Mostly sunny. Highs in the mid 80s Inland, but only around 80 near the lake. Temperature falling into the upper 70s in the afternoon. Southeast Winds around 5 Mph, becoming east in the afternoon.

Tonight 18 Sep Central Cook

Mostly clear. Lows in the mid 60s. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jeffrey Manor Temperature Statistics

September Temperature

Gary Regional Airport (10.6 miles)

  • Lowest 8 September, 2025

    42.8 °F

  • Average September

    64.4 °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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