Seaton Weather Forecast
- 60
- 87
Mostly Sunny
- 63
- 91
Partly Sunny
- 61
- 82
Chance Rain Showers
- 64
- 84
Chance Rain Showers
- 63
- 83
Chance Rain Showers
- 60
- 84
Chance Thunderstorms
Today 17 Sep Mercer
Sunny. Highs in the upper 80s. East Winds around 5 Mph.
Tonight 17 Sep Mercer
Mostly clear. Lows around 60. East Winds around 5 Mph.
Seaton Temperature Statistics
September Temperature
Galesburg Municipal Airport (22.4 miles)
Lowest 7 September, 2025
39.6 °FAverage September
64.4 °FHighest 14 September, 2025
95.2 °F
Climate (2020–Present)
Galesburg Municipal Airport (22.4 miles)
Average Low 2020–2025
41.2 °FAverage 2020–2025
51.3 °FAverage High 2020–2025
61.5 °F