St Marys Weather Forecast

    • 2
    • 14

    Decreasing Clouds

    • 15
    • 21

    Mostly Cloudy

    • 29
    • 34

    Partly Sunny

    • 29
    • 40

    Mostly Cloudy

    • 16
    • 51

    Rain

    • 19
    • 26

    Chance Rain

Today 14 Dec Auglaize

Partly cloudy. Cooler with Highs 10 to 15. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Wind chill Values as low as 6 below.

Tonight 14 Dec Auglaize

Mostly cloudy in the Evening, then becoming partly cloudy. Cold with Lows 0 to 5 above. West Winds 5 to 10 Mph. Wind chill Values as low as 10 below.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St Marys Temperature Statistics

December Temperature

Lima, Lima Allen County Airport (22.4 miles)

  • Lowest 5 December, 2025

    1 °F

  • Average December

    25.1 °F

  • Highest 10 December, 2025

    39 °F

Climate (2020–Present)

Lima, Lima Allen County Airport (22.4 miles)

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  • Average Low 2020–2025

    44.4 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    62.6 °F
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