Seaton Weather Forecast

    • 55
    • 73

    Becoming Sunny

    • 60
    • 79

    Slight Chance Thunderstorms

    • 61
    • 81

    Rain Showers

    • 55
    • 74

    Rain Showers

    • 54
    • 74

    Mostly Sunny

    • 58
    • 76

    Partly Sunny

Today 18 Jun Mercer

Partly cloudy. Highs in the lower 70s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 18 Jun Mercer

Mostly clear. Lows in the mid 50s. West Winds 5 to 10 Mph.

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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

    71.6 °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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