Monmouth Weather Forecast
- 46
- 63
Increasing Clouds
- 44
- 58
Rain Showers
- 37
- 56
Rain Showers Likely
- 36
- 56
Partly Sunny
- 36
- 57
Partly Sunny
- 36
- 54
Partly Sunny
Today 27 Oct Warren
Mostly sunny. Highs in the mid 60s. East Winds 10 to 15 Mph.
Tonight 27 Oct Warren
Mostly cloudy. Lows in the mid 40s. East Winds 5 to 10 Mph.
Monmouth Temperature Statistics
October Temperature
Galesburg Municipal Airport (11.2 miles)
Lowest 24 October, 2025
28.6 °FAverage October
60.2 °FHighest 3 October, 2025
88.7 °F
Climate (2020–Present)
Galesburg Municipal Airport (11.2 miles)
Average Low 2020–2025
41.4 °FAverage 2020–2025
51.5 °FAverage High 2020–2025
61.8 °F