Seaton Weather Forecast

    • 74
    • 90

    Slight Chance Thunderstorms

    • 75
    • 94

    Slight Chance Thunderstorms

    • 76
    • 95

    Partly Sunny

    • 74
    • 96

    Slight Chance Thunderstorms

    • 71
    • 91

    Slight Chance Rain Showers

Today 30 Aug Mercer

Mostly sunny. A chance of Showers with a slight chance of Thunderstorms in the morning. Humid with Highs in the upper 80s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 30 percent.

Tonight 30 Aug Mercer

Partly cloudy. Humid with Lows in the mid 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seaton Temperature Statistics

August Temperature

Galesburg Municipal Airport (22.4 miles)

  • Lowest 24 August, 2026

    52.3 °F

  • Average August

    72.4 °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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