Seaton Weather Forecast

    • 50
    • 69

    Chance Rain Showers

    • 53
    • 70

    Rain Showers Likely

    • 55
    • 77

    Mostly Cloudy

    • 56
    • 80

    Partly Sunny

    • 59
    • 84

    Partly Sunny

    • 62
    • 85

    Chance Thunderstorms

Today 21 May Mercer

Partly sunny. A slight chance of Sprinkles early this morning. Highs in the upper 60s. East Winds 10 to 15 Mph.

Tonight 21 May Mercer

Mostly cloudy. Lows in the upper 40s. East Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seaton Temperature Statistics

May Temperature

Galesburg Municipal Airport (22.4 miles)

  • Lowest 7 May, 2026

    32.7 °F

  • Average May

    58.8 °F

  • Highest 17 May, 2026

    84.4 °F

Climate (2021–Present)

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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