Mendon Weather Forecast

    • 64
    • 76

    Rain Showers Likely

    • 56
    • 75

    Rain Showers Likely

    • 53
    • 66

    Chance Rain Showers

    • 54
    • 66

    Chance Rain Showers

    • 54
    • 67

    Slight Chance Rain Showers

    • 53
    • 69

    Mostly Cloudy

Today 19 Sep Mercer

Partly cloudy. Patchy fog in the morning. A chance of Showers in the Morning, then Showers likely with a chance of Thunderstorms in the afternoon. Highs in the upper 70s. Southeast Winds around 5 Mph. Chance of rain 70 percent.

Tonight 19 Sep Mercer

Showers likely with a chance of Thunderstorms in the Evening, then Showers likely with a slight chance of Thunderstorms after midnight. Muggy. Lows in the mid 60s. South Winds around 5 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mendon Temperature Statistics

September Temperature

Lima, Lima Allen County Airport (26.1 miles)

  • Lowest 14 September, 2026

    49.6 °F

  • Average September

    73.4 °F

  • Highest 2 September, 2026

    93.7 °F

Climate (2021–2026)

Lima, Lima Allen County Airport (26.1 miles)

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  • Average Low 2021–2026

    44.2 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    62.8 °F
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