Seaton Weather Forecast
- 64
- 78
Rain Showers Likely
- 66
- 72
Rain Showers
- 59
- 72
Rain Showers Likely
- 50
- 65
Slight Chance Thunderstorms
- 52
- 66
Partly Sunny
- 47
- 66
Partly Sunny
Today 29 Sep Mercer
Partly sunny. Highs in the upper 70s. South Winds around 10 Mph with Gusts up to 20 Mph.
Tonight 29 Sep Mercer
Cloudy. Showers likely with a slight chance of Thunderstorms after midnight. Not as cool with Lows in the mid 60s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.
Seaton Temperature Statistics
September Temperature
Galesburg Municipal Airport (22.4 miles)
Lowest 23 September, 2026
50.2 °FAverage September
70.1 °FHighest 3 September, 2026
93.6 °F
Climate (2021–2026)
Galesburg Municipal Airport (22.4 miles)
Average Low 2021–2026
41.9 °FAverage 2021–2026
52.2 °FAverage High 2021–2026
62.5 °F