Old Monroe Weather Forecast
- 41
- 66
Partly Sunny
- 42
- 67
Mostly Cloudy
- 39
- 62
Partly Sunny
- 42
- 63
Mostly Sunny
- 52
- 71
Slight Chance Thunderstorms
- 50
- 75
Slight Chance Thunderstorms
Today 29 Apr Lincoln
Sunny. Highs in the mid 60s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.
Tonight 29 Apr Lincoln
Partly cloudy in the Evening, then clearing. Lows around 40. North Winds 5 to 10 Mph in the Evening, becoming light and variable.
Old Monroe Temperature Statistics
April Temperature
St. Charles, St. Charles County Smartt Airport (16.8 miles)
Lowest 19 April, 2026
37.9 °FAverage April
62.5 °FHighest 14 April, 2026
91.7 °F
Climate (2021–Present)
St. Charles, St. Charles County Smartt Airport (16.8 miles)
Average Low 2021–2026
47.3 °FAverage 2021–2026
57.9 °FAverage High 2021–2026
68.9 °F