Seaton Weather Forecast

    • 68
    • 90

    Slight Chance Thunderstorms

    • 67
    • 87

    Mostly Sunny

    • 72
    • 91

    Slight Chance Thunderstorms

    • 61
    • 88

    Mostly Sunny

    • 60
    • 81

    Mostly Sunny

    • 61
    • 82

    Partly Sunny

Today 18 Jul Mercer

Sunny. Isolated Showers and Thunderstorms in the afternoon. Hot with Highs around 90. West Winds 10 to 15 Mph. Chance of rain 20 percent. Heat index Values up to 103.

Tonight 18 Jul Mercer

Mostly clear. Near steady temperature in the mid 70s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seaton Temperature Statistics

July Temperature

Galesburg Municipal Airport (22.4 miles)

  • Lowest 8 July, 2026

    60.6 °F

  • Average July

    76.3 °F

  • Highest 15 July, 2026

    90.5 °F

Climate (2021–2026)

Galesburg Municipal Airport (22.4 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    62.5 °F
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