October weather in Marengo, IL
The average temperature in Marengo in October is 51.2°F (39.9°F–62.4°F). Average precipitation: 2.98 inches.
October is a fall month in Marengo, and is warmer than the annual average of 48.2°F. Daily temperatures swing about 22.5°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 10h 49m. For travel, October is a comfortable month to visit.
Avg High
62.4°F
Avg Low
39.9°F
Precipitation
2.98 in
Daylight
10h 49m
October records in Marengo
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 90.0°F (1971) | 28.0°F (1947) | 2.42 in (1973) |
| October 2 | 90.0°F (1971) | 23.0°F (1974) | 1.77 in (1893) |
| October 3 | 88.0°F (1954) | 23.0°F (2003) | 1.09 in (2006) |
| October 4 | 89.1°F (1997) | 27.0°F (1901) | 1.15 in (1932) |
| October 5 | 88.0°F (1922) | 25.0°F (1980) | 2.32 in (1991) |
| October 6 | 90.0°F (1963) | 25.0°F (1966) | 2.61 in (2018) |
| October 7 | 88.0°F (2007) | 25.0°F (1964) | 2.37 in (1930) |
| October 8 | 89.1°F (2007) | 23.0°F (1987) | 0.83 in (1977) |
| October 9 | 87.1°F (2007) | 23.0°F (1987) | 1.44 in (1982) |
| October 10 | 88.0°F (2010) | 21.0°F (1964) | 3.20 in (1954) |
| October 11 | 84.9°F (1962) | 18.0°F (1906) | 2.72 in (1912) |
| October 12 | 82.9°F (1930) | 24.1°F (1967) | 0.85 in (1902) |
| October 13 | 88.0°F (1975) | 19.9°F (1988) | 1.50 in (1969) |
| October 14 | 84.9°F (1897) | 19.0°F (1988) | 1.03 in (1960) |
| October 15 | 89.1°F (1899) | 21.9°F (1937) | 0.60 in (1967) |
| October 16 | 86.0°F (1947) | 21.9°F (1977) | 1.32 in (1914) |
| October 17 | 88.0°F (1950) | 23.0°F (1977) | 2.69 in (1905) |
| October 18 | 84.9°F (1950) | 19.0°F (1952) | 1.92 in (1923) |
| October 19 | 82.9°F (1953) | 18.0°F (1992) | 2.06 in (1984) |
| October 20 | 84.0°F (1953) | 17.1°F (1992) | 1.50 in (1916) |
| October 21 | 84.9°F (1947) | 19.0°F (1952) | 0.90 in (2018) |
| October 22 | 82.9°F (1947) | 21.0°F (1976) | 1.55 in (1941) |
| October 23 | 84.0°F (1963) | 19.0°F (1895) | 1.74 in (2009) |
| October 24 | 80.1°F (1963) | 17.1°F (1981) | 1.96 in (1918) |
| October 25 | 77.0°F (1899) | 19.9°F (1981) | 2.48 in (1939) |
| October 26 | 80.1°F (1939) | 14.0°F (1962) | 0.80 in (1939) |
| October 27 | 82.9°F (1927) | 19.9°F (1914) | 1.40 in (1918) |
| October 28 | 77.0°F (2014) | 8.1°F (1925) | 1.40 in (1970) |
| October 29 | 80.1°F (1901) | 8.1°F (1925) | 1.09 in (1955) |
| October 30 | 81.0°F (1950) | 10.0°F (1925) | 1.51 in (1996) |
| October 31 | 81.0°F (1950) | 17.1°F (1925) | 1.41 in (1919) |