Seaton Weather Forecast

    • 50
    • 69

    Mostly Cloudy

    • 54
    • 70

    Chance Rain Showers

    • 55
    • 77

    Mostly Cloudy

    • 55
    • 80

    Partly Sunny

    • 59
    • 84

    Partly Sunny

    • 62
    • 85

    Chance Thunderstorms

    • 63
    • 84

    Chance Thunderstorms

Today 21 May Mercer

Partly sunny. Near steady temperature in the upper 60s. East Winds 10 to 15 Mph.

Tonight 21 May Mercer

Mostly cloudy. Lows around 50. East Winds 10 to 15 Mph with Gusts up to 25 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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