Conneaut Weather Forecast

    • 66
    • 80

    Rain Showers Likely

    • 56
    • 77

    Slight Chance Rain Showers

    • 54
    • 68

    Partly Sunny

    • 65
    • 79

    Chance Rain Showers

    • 66
    • 79

    Rain Showers Likely

    • 61
    • 78

    Chance Rain Showers

Today 12 Sep Ashtabula Lakeshore

Partly sunny this Morning, then mostly cloudy with Showers likely with a chance of Thunderstorms this afternoon. Highs around 80. South Winds 5 to 10 Mph, becoming southwest this afternoon. Chance of rain 60 percent.

Tonight 12 Sep Ashtabula Lakeshore

Mostly cloudy. A chance of Showers and Thunderstorms in the evening. Humid with Lows in the mid 60s. South Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Conneaut Temperature Statistics

September Temperature

Ashtabula - Northeast Ohio Regional Airport (13.7 miles)

  • Lowest 7 September, 2026

    48 °F

  • Average September

    70.6 °F

  • Highest 2 September, 2026

    91.9 °F

Climate (2021–2026)

Ashtabula - Northeast Ohio Regional Airport (13.7 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    60.6 °F
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