Mercer Field Weather Forecast

    • 60
    • 70

    Rain Showers Likely

    • 65
    • 71

    Rain Showers Likely

    • 66
    • 80

    Rain Showers Likely

    • 68
    • 84

    Rain Showers Likely

    • 63
    • 81

    Chance Thunderstorms

    • 58
    • 71

    Mostly Cloudy

Today 15 Sep Union

Showers with a chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall. Highs in the lower 70s. North Winds 5 to 10 Mph. Chance of rain 80 percent.

Tonight 15 Sep Union

A chance of Thunderstorms. A chance of Showers Early, then Showers likely after midnight. Some Thunderstorms may produce heavy rainfall. Lows around 60. Northeast Winds 5 to 10 Mph, becoming east after midnight. Chance of rain 70 percent.

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Mercer Field Temperature Statistics

September Temperature

Creston Municipal Airport (5 miles)

  • Lowest 13 September, 2026

    53.6 °F

  • Average September

    75.1 °F

  • Highest 1 September, 2026

    95 °F

Climate (2021–2026)

Creston Municipal Airport (5 miles)

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  • Average Low 2021–2026

    41.6 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    62.2 °F
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