Seaton Weather Forecast

    • 75
    • 94

    Mostly Sunny

    • 76
    • 93

    Mostly Sunny

    • 74
    • 93

    Slight Chance Thunderstorms

    • 72
    • 90

    Chance Thunderstorms

    • 71
    • 91

    Chance Thunderstorms

    • 68
    • 88

    Chance Thunderstorms

Today 30 Jun Mercer

Sunny, hot with Highs in the lower 90s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Heat index Values up to 108 in the afternoon.

Tonight 30 Jun Mercer

Mostly clear. Humid with Lows in the mid 70s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Heat index Values up to 107 early in the evening.

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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

    69.3 °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

    41.6 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    62.4 °F
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