Grafton Weather Forecast

    • 43
    • 48

    Rain

    • 33
    • 49

    Chance Rain

    • 42
    • 49

    Partly Sunny

    • 40
    • 62

    Mostly Cloudy

    • 30
    • 53

    Partly Sunny

    • 36
    • 46

    Mostly Cloudy

Today 30 Jan Jersey

Rain likely with a slight chance of Thunderstorms. Patchy fog. Highs in the upper 40s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Tonight 30 Jan Jersey

Cloudy with a slight chance of Thunderstorms. Rain Likely, mainly in the evening. Patchy fog. Not as cool. Near steady temperature in the mid 40s. East Winds 5 to 10 Mph, becoming south with Gusts up to 20 Mph after midnight. Chance of rain 70 percent.

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Grafton Temperature Statistics

January Temperature

St. Charles, St. Charles County Smartt Airport (2.5 miles)

  • Lowest 21 January, 2025

    -0.1 °F

  • Average January

    23.9 °F

  • Highest 17 January, 2025

    48.7 °F

Climate (2020–Present)

St. Charles, St. Charles County Smartt Airport (2.5 miles)

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  • Average Low 2020–2025

    47.4 °F

  • Average 2020–2025

    57.5 °F

  • Average High 2020–2025

    68.1 °F
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