Portage Park Weather Forecast

    • 38
    • 68

    Mostly Cloudy

    • 47
    • 68

    Partly Sunny

    • 34
    • 52

    Chance Rain Showers

    • 34
    • 43

    Mostly Cloudy

    • 36
    • 53

    Mostly Cloudy

    • 42
    • 51

    Partly Sunny

Today 20 Mar Central Cook

Mostly cloudy. Highs in the mid 60s. Temperature falling into the 50s inland and 40s near the lake in the afternoon. West Winds 10 to 15 Mph, becoming northeast in the afternoon.

Tonight 20 Mar Central Cook

Mostly cloudy. Lows in the upper 30s. Northeast Winds 5 to 10 Mph.

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Portage Park Temperature Statistics

March Temperature

Chicago, Chicago-O'Hare International Airport (7.5 miles)

  • Lowest 16 March, 2026

    18.6 °F

  • Average March

    41.7 °F

  • Highest 9 March, 2026

    73.7 °F

Climate (2021–Present)

Chicago, Chicago-O'Hare International Airport (7.5 miles)

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  • Average Low 2021–2026

    45.4 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    61.8 °F
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