Grafton Weather Forecast

    • 58
    • 79

    Mostly Sunny

    • 59
    • 81

    Mostly Sunny

    • 59
    • 79

    Partly Sunny

    • 60
    • 74

    Slight Chance Rain Showers

    • 59
    • 72

    Chance Thunderstorms

    • 61
    • 75

    Chance Rain Showers

Today 16 Sep Ozaukee

Sunny. Highs in the upper 70s. Southeast Winds up to 10 Mph.

Tonight 16 Sep Ozaukee

Mostly clear. Lows in the upper 50s. Calm Winds.

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Grafton Temperature Statistics

September Temperature

West Bend Municipal Airport (11.2 miles)

  • Lowest 8 September, 2025

    41 °F
  • Average September

    61.6 °F
  • Highest 14 September, 2025

    80.6 °F

Climate (2020–Present)

West Bend Municipal Airport (11.2 miles)

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  • Average Low 2020–2025

    38.3 °F
  • Average 2020–2025

    47.5 °F
  • Average High 2020–2025

    56.4 °F
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