Seaton Weather Forecast

    • 67
    • 81

    Chance Thunderstorms

    • 75
    • 89

    Mostly Sunny

    • 76
    • 92

    Mostly Sunny

    • 75
    • 93

    Mostly Sunny

    • 75
    • 94

    Mostly Sunny

Today 27 Jun Mercer

Partly sunny. Highs in the lower 80s. East Winds 5 to 10 Mph.

Tonight 27 Jun Mercer

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers and Thunderstorms after midnight. Humid with Lows in the mid 60s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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Seaton Temperature Statistics

June Temperature

Galesburg Municipal Airport (22.4 miles)

  • Lowest 2 June, 2026

    46.4 °F

  • Average June

    69.4 °F

  • Highest 6 June, 2026

    90.3 °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 °F

  • Average High 2021–2026

    62.4 °F
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