Mendon Weather Forecast

    • 57
    • 68

    Rain Showers

    • 56
    • 74

    Rain Showers

    • 59
    • 77

    Chance Thunderstorms

    • 60
    • 80

    Slight Chance Rain Showers

    • 62
    • 82

    Chance Rain Showers

    • 62
    • 82

    Chance Rain Showers

Today 22 May Mercer

Mostly cloudy. Showers likely in the afternoon. Highs in the upper 60s. East Winds 10 to 15 Mph. Chance of rain 60 percent.

Tonight 22 May Mercer

Showers with a chance of Thunderstorms. Lows in the upper 50s. East Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mendon Temperature Statistics

May Temperature

Lima, Lima Allen County Airport (26.1 miles)

  • Lowest 2 May, 2026

    32.6 °F

  • Average May

    56.8 °F

  • Highest 18 May, 2026

    86 °F

Climate (2021–Present)

Lima, Lima Allen County Airport (26.1 miles)

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  • Average Low 2021–2026

    44.3 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    62.8 °F
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