Seaton Weather Forecast

    • 67
    • 81

    Rain Showers

    • 48
    • 75

    Slight Chance Rain Showers

    • 46
    • 67

    Partly Sunny

    • 50
    • 69

    Chance Rain Showers

    • 53
    • 73

    Chance Rain Showers

    • 57
    • 80

    Partly Sunny

Today 18 May Mercer

Mostly cloudy. Highs in the lower 80s. South Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 18 May Mercer

Mostly cloudy. Showers with a chance of Thunderstorms after midnight. Humid with Lows in the mid 60s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 80 percent.

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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

    57 °F

  • Highest 12 May, 2026

    81.3 °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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