Mercer Field Weather Forecast

    • 69
    • 84

    Chance Rain Showers

    • 69
    • 92

    Rain Showers

    • 61
    • 82

    Chance Rain Showers

    • 61
    • 81

    Mostly Sunny

    • 65
    • 85

    Chance Thunderstorms

    • 62
    • 83

    Chance Thunderstorms

Today 7 Sep Union

Partly sunny early this Morning, then becoming mostly sunny. A chance of Showers early this Morning, then a slight chance of Showers this afternoon. Humid with Highs in the mid 80s. Southeast Winds 10 to 15 Mph. Chance of rain 50 percent.

Tonight 7 Sep Union

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 60s. Southeast Winds 10 to 15 Mph.

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Mercer Field Temperature Statistics

September Temperature

Creston Municipal Airport (5 miles)

  • Lowest 2 September, 2026

    68 °F

  • Average September

    82.2 °F

  • Highest 1 September, 2026

    95 °F

Climate (2021–2026)

Creston Municipal Airport (5 miles)

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  • Average Low 2021–2026

    41.5 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    62.2 °F
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