Wilton Weather Forecast

    • 60
    • 75

    Chance Thunderstorms

    • 60
    • 83

    Chance Rain Showers

    • 66
    • 86

    Chance Thunderstorms

    • 65
    • 86

    Rain Showers Likely

    • 53
    • 79

    Rain Showers Likely

    • 47
    • 67

    Partly Sunny

    • 49
    • 69

    Mostly Cloudy

Today 15 May Southern Will

Partly cloudy. Breezy. Highs in the mid 70s. South Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 15 May Southern Will

Mostly clear in the Evening, then becoming mostly cloudy. Scattered Showers and a chance of Thunderstorms after midnight. Lows in the lower 60s. South Winds 10 to 15 Mph. Chance of precipitation 50 percent.

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Wilton Temperature Statistics

May Temperature

Joliet Regional Airport (15.5 miles)

  • Lowest 2 May, 2026

    29.8 °F

  • Average May

    55 °F

  • Highest 4 May, 2026

    81.7 °F

Climate (2021–Present)

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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