Essex Weather Forecast

    • 12
    • 19

    Becoming Sunny

    • 28
    • 33

    Partly Sunny

    • 28
    • 39

    Mostly Cloudy

    • 17
    • 49

    Rain

    • 20
    • 28

    Mostly Cloudy

    • 31
    • 44

    Chance Rain

Today 15 Dec Union

Partly cloudy. Cold with Highs 15 to 20. Southwest Winds 10 to 15 Mph.

Tonight 15 Dec Union

Partly cloudy in the Evening, then clearing. Lows 10 to 15. Southwest Winds 5 to 10 Mph.

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Essex Temperature Statistics

December Temperature

Marion, Marion Municipal Airport (15.5 miles)

  • Lowest 4 December, 2025

    3 °F

  • Average December

    25.6 °F

  • Highest 10 December, 2025

    39 °F

Climate (2020–Present)

Marion, Marion Municipal Airport (15.5 miles)

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  • Average Low 2020–2025

    42.9 °F

  • Average 2020–2025

    52.4 °F

  • Average High 2020–2025

    61.9 °F
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