Mercer Field Weather Forecast

    • -8
    • 34

    Partly Sunny

    • 11
    • 15

    Increasing Clouds

    • 19
    • 31

    Mostly Cloudy

    • 9
    • 30

    Chance Snow

    • 1
    • 20

    Mostly Cloudy

    • 20
    • 29

    Partly Sunny

    • 27
    • 35

    Mostly Cloudy

Today 3 Dec Union

Partly sunny. Highs in the mid 30s. Temperature falling to around 20 late. North Winds around 15 Mph with Gusts up to 25 Mph.

Tonight 3 Dec Union

Partly cloudy this Evening, then clearing. Much Colder with Lows around 8 below. North Winds 10 to 15 Mph, Diminishing to around 5 Mph after midnight.

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Mercer Field Temperature Statistics

December Temperature

Creston Municipal Airport (5 miles)

  • Lowest 1 December, 2025

    15.8 °F

  • Average December

    18.9 °F

  • Highest 1 December, 2025

    21.2 °F

Climate (2020–Present)

Creston Municipal Airport (5 miles)

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  • Average Low 2020–2025

    41.3 °F

  • Average 2020–2025

    51.3 °F

  • Average High 2020–2025

    61.6 °F
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