Grafton Weather Forecast

    • 63
    • 73

    Chance Thunderstorms

    • 66
    • 83

    Chance Rain Showers

    • 69
    • 85

    Thunderstorms Likely

    • 71
    • 86

    Rain Showers Likely

    • 66
    • 85

    Chance Thunderstorms

    • 61
    • 83

    Mostly Sunny

Today 1 Jun Jersey

Cloudy with scattered Showers. A chance of Thunderstorms this afternoon. Near steady temperature in the lower 70s. South Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 1 Jun Jersey

Mostly cloudy. Scattered Showers with a chance of Thunderstorms in the evening. Patchy fog after midnight. Lows in the upper 50s. Northwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

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Grafton Temperature Statistics

June Temperature

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

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  • Average June

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Climate (2019–Present)

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

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  • Average Low 2019–2024

    46.8 °F

  • Average 2019–2024

    56.8 °F

  • Average High 2019–2024

    67.4 °F
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