Cairo Weather Forecast

    • 64
    • 79

    Chance Thunderstorms

    • 58
    • 74

    Mostly Cloudy

    • 65
    • 76

    Rain Showers

    • 59
    • 74

    Rain Showers Likely

    • 56
    • 68

    Chance Rain Showers

    • 56
    • 67

    Slight Chance Rain Showers

Today 17 Sep Allen

Cloudy with a chance of Showers with a slight chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall. Highs in the lower 80s. West Winds around 5 Mph. Chance of rain 50 percent.

Tonight 17 Sep Allen

Mostly cloudy with a chance of Showers and Thunderstorms. Humid with Lows in the mid 60s. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cairo Temperature Statistics

September Temperature

Lima, Lima Allen County Airport (8.7 miles)

  • Lowest 14 September, 2026

    48.9 °F

  • Average September

    73.2 °F

  • Highest 2 September, 2026

    93.7 °F

Climate (2021–2026)

Lima, Lima Allen County Airport (8.7 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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