Grafton Weather Forecast

    • 54
    • 65

    Rain Showers Likely

    • 55
    • 62

    Rain Showers

    • 53
    • 66

    Chance Rain Showers

    • 52
    • 73

    Partly Sunny

    • 51
    • 74

    Partly Sunny

    • 50
    • 73

    Partly Sunny

Today 18 Sep Eastern Walsh County

Cloudy. A slight chance of Showers early this Morning, then a chance of Showers this afternoon. Highs in the mid 60s. Northeast Winds 10 to 20 Mph. Chance of rain 50 percent.

Tonight 18 Sep Eastern Walsh County

Cloudy with a chance of Thunderstorms. A chance of Showers in the Evening, then Showers likely after midnight. Lows in the mid 50s. Northeast Winds 5 to 15 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grafton Temperature Statistics

September Temperature

GRAFTON (1.9 miles)

  • Lowest 7 September, 2025

    32 °F

  • Average September

    60.1 °F

  • Highest 14 September, 2025

    86 °F

Climate (2020–Present)

GRAFTON (1.9 miles)

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  • Average Low 2020–2025

    31.5 °F

  • Average 2020–2025

    41.6 °F

  • Average High 2020–2025

    51.4 °F
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