Seaton Weather Forecast

    • 54
    • 66

    Rain Showers

    • 54
    • 76

    Partly Sunny

    • 59
    • 77

    Slight Chance Thunderstorms

    • 58
    • 79

    Slight Chance Thunderstorms

    • 57
    • 78

    Mostly Sunny

    • 62
    • 79

    Chance Thunderstorms

Today 21 Jun Mercer

A slight chance of Showers after Midnight, then Showers with a chance of Thunderstorms. Locally heavy rainfall possible. Not as warm with Highs in the mid 60s. Southeast Winds around 5 Mph, increasing to east 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

Tonight 21 Jun Mercer

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the Evening, then a slight chance of Showers after midnight. Lows in the mid 50s. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seaton Temperature Statistics

June Temperature

Galesburg Municipal Airport (22.4 miles)

  • Lowest 2 June, 2026

    46.4 °F

  • Average June

    70.2 °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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