Seaton Weather Forecast

    • 72
    • 95

    Slight Chance Thunderstorms

    • 64
    • 85

    Mostly Sunny

    • 65
    • 86

    Sunny

    • 68
    • 87

    Chance Thunderstorms

    • 66
    • 80

    Rain Showers Likely

    • 64
    • 82

    Slight Chance Thunderstorms

Today 27 Jul Mercer

Mostly sunny with a slight chance of Showers and Thunderstorms. Hot. Near steady temperature in the lower 90s. Southwest Winds 10 to 15 Mph. Chance of rain 20 percent. Heat index Values up to 117.

Tonight 27 Jul Mercer

Mostly clear. A slight chance of Showers and Thunderstorms in the evening. Patchy smoke after midnight. Humid with Lows in the lower 70s. West Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming north after midnight. Chance of rain 20 percent. Heat index Values up to 116 early in the evening.

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  • Temperature Real-Time

Seaton Temperature Statistics

July Temperature

Galesburg Municipal Airport (22.4 miles)

  • Lowest 23 July, 2026

    53.6 °F

  • Average July

    75.3 °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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