Unionville Weather Forecast

    • 10
    • 23

    Chance Flurries

    • 4
    • 19

    Partly Sunny

    • 16
    • 28

    Partly Sunny

    • 24
    • 37

    Mostly Cloudy

    • 30
    • 43

    Chance Rain

    • 22
    • 38

    Mostly Cloudy

Today 30 Jan Massac

Mostly cloudy with a chance of Flurries this Morning, then partly sunny this afternoon. Cooler with Highs in the lower 20s. North Winds 5 to 10 Mph.

Tonight 30 Jan Massac

Mostly cloudy with a chance of Flurries. Cold with Lows around 10 above. North Winds around 10 Mph. Wind chill Readings as low as 1 below after midnight.

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Unionville Temperature Statistics

January Temperature

Metropolis Municipal Airport (11.8 miles)

  • Lowest 12 January, 2026

    21.2 °F

  • Average January

    43.5 °F

  • Highest 8 January, 2026

    68.9 °F

Climate (2021–Present)

Metropolis Municipal Airport (11.8 miles)

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  • Average Low 2021–2026

    48.8 °F

  • Average 2021–2026

    59 °F

  • Average High 2021–2026

    69.4 °F
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