Mendon Weather Forecast

    • 30
    • 35

    Increasing Clouds

    • 30
    • 39

    Mostly Cloudy

    • 20
    • 50

    Rain

    • 21
    • 28

    Slight Chance Snow Showers

    • 25
    • 44

    Mostly Cloudy

    • 23
    • 34

    Mostly Cloudy

    • 29
    • 37

    Mostly Cloudy

Today 16 Dec Mercer

Sunny and not as cool. Near steady temperature in the lower 30s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 16 Dec Mercer

Mostly Clear, then becoming partly cloudy late this Evening, then becoming mostly cloudy. Warmer with Lows around 30. Southwest Winds around 15 Mph with Gusts up to 30 Mph.

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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

    23.7 °F

  • Highest 10 December, 2025

    39 °F

Climate (2020–Present)

Lima, Lima Allen County Airport (26.1 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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