Willis Weather Forecast

    • 54
    • 83

    Mostly Sunny

    • 56
    • 86

    Mostly Sunny

    • 54
    • 76

    Mostly Sunny

    • 57
    • 77

    Mostly Cloudy

    • 61
    • 84

    Chance Rain Showers

    • 59
    • 81

    Chance Rain Showers

Today 17 Sep Washtenaw

Patchy fog in the morning. Sunny. Highs in the mid 80s. Northeast Winds up to 5 Mph.

Tonight 17 Sep Washtenaw

Clear. Lows in the mid 50s. Southeast Winds up to 5 Mph, becoming west after midnight.

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Willis Temperature Statistics

September Temperature

Detroit, Willow Run Airport (5.6 miles)

  • Lowest 8 September, 2025

    42.1 °F

  • Average September

    61.3 °F

  • Highest 3 September, 2025

    82 °F

Climate (2020–Present)

Detroit, Willow Run Airport (5.6 miles)

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  • Average Low 2020–2025

    43.2 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    62.1 °F
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