Seaton Weather Forecast
- 68
- 93
Mostly Sunny
- 64
- 86
Partly Sunny
- 66
- 86
Partly Sunny
- 74
- 93
Slight Chance Thunderstorms
- 67
- 92
Chance Rain Showers
- 62
- 85
Partly Sunny
Today 5 Sep Mercer
Sunny, hot with Highs in the lower 90s. North Winds around 5 Mph. Heat index Values up to 104.
Tonight 5 Sep Mercer
Mostly clear in the Evening, then becoming partly cloudy. Humid with Lows in the upper 60s. Northeast Winds 5 to 10 Mph.
Seaton Temperature Statistics
September Temperature
Galesburg Municipal Airport (22.4 miles)
Lowest 2 September, 2026
69.1 °FAverage September
81.3 °FHighest 1 September, 2026
93.2 °F
Climate (2021–2026)
Galesburg Municipal Airport (22.4 miles)
Average Low 2021–2026
41.8 °FAverage 2021–2026
52.1 °FAverage High 2021–2026
62.5 °F