Seaton Weather Forecast

    • 66
    • 82

    Thunderstorms Likely

    • 69
    • 81

    Chance Rain Showers

    • 66
    • 86

    Rain Showers Likely

    • 59
    • 73

    Rain Showers Likely

    • 56
    • 67

    Chance Rain Showers

    • 54
    • 68

    Partly Sunny

Today 17 Sep Mercer

Mostly cloudy. A chance of Showers and Thunderstorms early this morning. Patchy fog early this morning. Some Thunderstorms may produce heavy rainfall early this morning. Humid with Highs in the lower 80s. East Winds around 5 Mph, becoming northwest this afternoon. Chance of rain 50 percent.

Tonight 17 Sep Mercer

Mostly cloudy. Humid with Lows in the mid 60s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seaton Temperature Statistics

September Temperature

Galesburg Municipal Airport (22.4 miles)

  • Lowest 14 September, 2026

    52.3 °F

  • Average September

    73.9 °F

  • Highest 3 September, 2026

    93.6 °F

Climate (2021–2026)

Galesburg Municipal Airport (22.4 miles)

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  • Average Low 2021–2026

    41.8 °F

  • Average 2021–2026

    52.2 °F

  • Average High 2021–2026

    62.5 °F
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