Seaton Weather Forecast

    • 67
    • 90

    Chance Thunderstorms

    • 67
    • 86

    Patchy Smoke

    • 74
    • 91

    Rain Showers Likely

    • 64
    • 87

    Sunny

    • 60
    • 82

    Mostly Sunny

    • 63
    • 82

    Slight Chance Thunderstorms

    • 65
    • 84

    Partly Sunny

Today 18 Jul Mercer

Mostly sunny with a chance of Showers and Thunderstorms. Hot. Near steady temperature around 90. Northwest Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 40 percent. Heat index Values up to 103.

Tonight 18 Jul Mercer

Partly cloudy this Evening, then becoming mostly clear. Patchy smoke after midnight. Lows in the upper 60s. North Winds 5 to 10 Mph, becoming northeast after midnight.

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Seaton Temperature Statistics

July Temperature

Galesburg Municipal Airport (22.4 miles)

  • Lowest 8 July, 2026

    60.6 °F

  • Average July

    76.6 °F

  • Highest 16 July, 2026

    90.7 °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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