Seaton Weather Forecast

    • 66
    • 81

    Chance Thunderstorms

    • 61
    • 81

    Partly Sunny

    • 62
    • 79

    Slight Chance Thunderstorms

    • 65
    • 81

    Chance Rain Showers

    • 61
    • 80

    Mostly Sunny

    • 62
    • 78

    Mostly Cloudy

Today 18 Aug Mercer

Mostly cloudy with a chance of Showers. A chance of Thunderstorms this afternoon. Highs in the lower 80s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 18 Aug Mercer

Partly cloudy in the Evening, then becoming mostly cloudy. A chance of Showers and Thunderstorms. Humid with Lows in the mid 60s. Southwest Winds 5 to 10 Mph, becoming northwest after midnight. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seaton Temperature Statistics

August Temperature

Galesburg Municipal Airport (22.4 miles)

  • Lowest 3 August, 2026

    57.7 °F

  • Average August

    74 °F

  • Highest 10 August, 2026

    88.2 °F

Climate (2021–2026)

Galesburg Municipal Airport (22.4 miles)

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  • Average Low 2021–2026

    41.8 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    62.5 °F
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