Mendon Weather Forecast

    • 39
    • 44

    Chance Rain Showers

    • 21
    • 63

    Rain Showers

    • 18
    • 25

    Chance Snow Showers

    • 20
    • 25

    Mostly Cloudy

    • 21
    • 33

    Chance Snow

    • 7
    • 27

    Slight Chance Snow

    • 18
    • 25

    Partly Sunny

Today 27 Dec Mercer

Mostly cloudy and cooler. Near steady Temperatures in the mid 40s. Southeast Winds around 5 Mph.

Tonight 27 Dec Mercer

Cloudy. A chance of Showers after midnight. Lows around 40. Temperatures rising into the upper 40s after midnight. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mendon Temperature Statistics

December Temperature

Lima, Lima Allen County Airport (26.1 miles)

  • Lowest 5 December, 2025

    1 °F

  • Average December

    27.4 °F

  • Highest 18 December, 2025

    54 °F

Climate (2020–Present)

Lima, Lima Allen County Airport (26.1 miles)

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  • Average Low 2020–2025

    44.3 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    62.6 °F
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