Seaton Weather Forecast

    • 61
    • 82

    Mostly Sunny

    • 55
    • 76

    Mostly Sunny

    • 59
    • 79

    Chance Rain Showers

    • 61
    • 77

    Slight Chance Thunderstorms

    • 66
    • 86

    Mostly Sunny

Today 21 Jul Mercer

Mostly Cloudy, then becoming sunny this Morning, then becoming mostly sunny. A chance of Showers with a slight chance of Thunderstorms early. Humid with Highs in the lower 80s. West Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming northwest with Gusts up to 30 Mph this afternoon. Chance of rain 30 percent.

Tonight 21 Jul Mercer

Mostly clear. Cooler with Lows in the lower 60s. North Winds 10 to 15 Mph.

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  • Temperature Real-Time

Seaton Temperature Statistics

July Temperature

Galesburg Municipal Airport (22.4 miles)

  • Lowest 8 July, 2026

    60.6 °F

  • Average July

    77.2 °F

  • Highest 18 July, 2026

    91.8 °F

Climate (2021–2026)

Galesburg Municipal Airport (22.4 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    62.5 °F
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