Seaton Weather Forecast

    • 66
    • 84

    Thunderstorms Likely

    • 69
    • 80

    Chance Thunderstorms

    • 67
    • 85

    Rain Showers

    • 60
    • 74

    Rain Showers Likely

    • 56
    • 66

    Chance Rain Showers

    • 51
    • 64

    Mostly Cloudy

    • 55
    • 69

    Partly Sunny

Today 17 Sep Mercer

Partly cloudy. Lows in the mid 50s. Highs in the lower 70s.

Tonight 17 Sep Mercer

Mostly cloudy. Patchy fog after midnight. 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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