Mill Creek Weather Forecast

    • 52
    • 77

    Mostly Sunny

    • 48
    • 78

    Sunny

    • 51
    • 80

    Mostly Sunny

    • 59
    • 86

    Mostly Sunny

    • 61
    • 90

    Mostly Sunny

    • 62
    • 92

    Mostly Sunny

Today 6 Sep Union

Partly sunny with a chance of Showers in the Morning, then sunny in the afternoon. Highs in the upper 70s. North Winds around 5 Mph. Chance of rain 50 percent.

Tonight 6 Sep Union

Showers likely. Near steady temperature around 60. Northwest Winds around 5 Mph. Chance of rain 60 percent.

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Mill Creek Temperature Statistics

September Temperature

Cairo Regional Airport (19.3 miles)

  • Lowest 1 September, 2025

    57.2 °F

  • Average September

    73.4 °F

  • Highest 3 September, 2025

    88.9 °F

Climate (2020–Present)

Cairo Regional Airport (19.3 miles)

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  • Average Low 2020–2025

    49.2 °F

  • Average 2020–2025

    58.7 °F

  • Average High 2020–2025

    68.5 °F
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