Welton Weather Forecast

    • 62
    • 86

    Chance Rain Showers

    • 60
    • 79

    Chance Thunderstorms

    • 62
    • 83

    Chance Rain Showers

    • 62
    • 81

    Chance Rain Showers

    • 60
    • 81

    Chance Rain Showers

    • 56
    • 79

    Slight Chance Thunderstorms

Today 18 Sep Clinton

Mostly sunny. Highs in the upper 80s. Southeast Winds around 5 Mph.

Tonight 18 Sep Clinton

Partly cloudy in the Evening, then becoming mostly cloudy. A slight chance of Thunderstorms. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Lows in the lower 60s. East Winds around 5 Mph. Chance of rain 40 percent.

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Welton Temperature Statistics

September Temperature

Clinton Municipal Airport (14.3 miles)

  • Lowest 7 September, 2025

    39 °F

  • Average September

    63.7 °F

  • Highest 14 September, 2025

    91 °F

Climate (2020–Present)

Clinton Municipal Airport (14.3 miles)

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  • Average Low 2020–2025

    40.4 °F

  • Average 2020–2025

    50.4 °F

  • Average High 2020–2025

    60.4 °F
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