Marengo Weather Forecast
- 37
- 50
Rain
- 35
- 53
Slight Chance Rain
- 35
- 53
Mostly Cloudy
- 37
- 53
Chance Rain
- 36
- 59
Chance Rain
- 36
- 58
Partly Sunny
Today 30 Oct Morrow
Rain in the Morning, then Showers in the afternoon. Highs in the upper 40s. North Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain near 100 percent.
Tonight 30 Oct Morrow
Mostly cloudy. Showers, mainly in the evening. Lows in the mid 30s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 90 percent.
Marengo Temperature Statistics
October Temperature
Knox County Airfield (15.5 miles)
Lowest 24 October, 2025
33.8 °FAverage October
54.8 °FHighest 4 October, 2025
84.2 °F
Climate (2020–Present)
Knox County Airfield (15.5 miles)
Average Low 2020–2025
43.4 °FAverage 2020–2025
52.2 °FAverage High 2020–2025
61.6 °F