Goose Lake Prairie State Park Weather Forecast

    • 74
    • 89

    Rain Showers

    • 66
    • 91

    Thunderstorms Likely

    • 66
    • 82

    Patchy Smoke

    • 73
    • 87

    Thunderstorms Likely

    • 63
    • 87

    Mostly Sunny

    • 59
    • 79

    Mostly Sunny

    • 62
    • 81

    Partly Sunny

Today 17 Jul Grundy

Numerous Showers and scattered Thunderstorms. Temperatures in the upper 80s. Southwest Winds 5 to 10 Mph. Chance of precipitation 60 percent.

Tonight 17 Jul Grundy

Mostly clear. Lows in the mid 70s. Southwest Winds 5 to 10 Mph.

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Goose Lake Prairie State Park Temperature Statistics

July Temperature

Joliet Regional Airport (13.7 miles)

  • Lowest 13 July, 2026

    61.9 °F

  • Average July

    78.9 °F

  • Highest 2 July, 2026

    94.6 °F

Climate (2021–2026)

Joliet Regional Airport (13.7 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    63.4 °F
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