Elwood Weather Forecast

    • 18
    • 41

    Becoming Sunny

    • 21
    • 30

    Partly Sunny

    • 36
    • 41

    Mostly Cloudy

    • 32
    • 48

    Mostly Cloudy

    • 45
    • 50

    Cloudy

    • 38
    • 62

    Mostly Cloudy

Today 20 Dec Southern Will

Mostly cloudy and breezy. Highs in the lower 40s. Temperature falling into the mid 30s in the afternoon. Southwest Winds 15 to 20 Mph, becoming west 10 to 15 Mph in the afternoon. Gusts up to 30 Mph.

Tonight 20 Dec Southern Will

Mostly clear. Lows around 18. West Winds 10 to 15 Mph.

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Elwood Temperature Statistics

December Temperature

Joliet Regional Airport (8.1 miles)

  • Lowest 5 December, 2025

    -1.1 °F

  • Average December

    23.6 °F

  • Highest 17 December, 2025

    42.3 °F

Climate (2020–Present)

Joliet Regional Airport (8.1 miles)

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  • Average Low 2020–2025

    43.5 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    63 °F
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