Williamson Weather Forecast

    • 49
    • 67

    Mostly Cloudy

    • 54
    • 70

    Rain Showers

    • 57
    • 69

    Rain Showers

    • 60
    • 78

    Chance Rain Showers

    • 60
    • 79

    Chance Thunderstorms

    • 61
    • 80

    Chance Thunderstorms

Today 20 May Madison

Mostly cloudy. A chance of Showers this morning. Cooler with Highs in the upper 60s. North Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 20 May Madison

Mostly cloudy. Lows in the lower 50s. Northeast Winds 5 to 10 Mph.

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Williamson Temperature Statistics

May Temperature

Litchfield Municipal Airport (13 miles)

  • Lowest 7 May, 2026

    39.6 °F

  • Average May

    59.5 °F

  • Highest 17 May, 2026

    83.1 °F

Climate (2021–Present)

Litchfield Municipal Airport (13 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    54.7 °F

  • Average High 2021–2026

    64.5 °F
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