Wilton Weather Forecast

    • 65
    • 79

    Chance Thunderstorms

    • 59
    • 79

    Slight Chance Thunderstorms

    • 59
    • 78

    Mostly Sunny

    • 62
    • 78

    Chance Thunderstorms

    • 59
    • 78

    Chance Thunderstorms

    • 58
    • 76

    Partly Sunny

Today 18 Aug Southern Will

Mostly cloudy. A slight chance of Showers and Thunderstorms late. Near steady temperature in the upper 70s. Southwest Winds around 10 Mph. Chance of precipitation 20 percent.

Tonight 18 Aug Southern Will

Mostly cloudy. A chance of Thunderstorms in the evening. A chance of Showers. A slight chance of Thunderstorms after midnight. Humid with Lows in the mid 60s. Southwest Winds 5 to 10 Mph. Chance of precipitation 50 percent.

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Wilton Temperature Statistics

August Temperature

Joliet Regional Airport (15.5 miles)

  • Lowest 3 August, 2026

    60.6 °F

  • Average August

    75.4 °F

  • Highest 10 August, 2026

    89.4 °F

Climate (2021–2026)

Joliet Regional Airport (15.5 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    63.4 °F
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