Waterloo Weather in October
Average highs run from 67°F on October 1 to 53°F on October 31, and lows from 44°F to 33°F. Normal precipitation for the month is 3.04 in over about 11 wet days.
October day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
October at a glance
- Average high
- 61°F
- Average low
- 38°F
- Precipitation
- 3.04 in
- Snowfall
- 0.2 in
- Record high
- 89°FOct 1, 1971
- Record low
- 7°FOct 30, 1925
- Chance of a freeze
- 97%
- Daylight
- 11 h 44 min to 10 h 19 min
- Cloud cover
- 64%
- Humidity
- 77%
- Dew point
- 42°F
- Wind
- 11.0 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Oct 1 | 67°F | 44°F | 89°F 1971 | 27°F 1918 | 34% | 0% |
| Oct 2 | 67°F | 43°F | 88°F 1971 | 24°F 1908 | 34% | 0% |
| Oct 3 | 66°F | 43°F | 84°F 1983 | 24°F 2003 | 34% | 0% |
| Oct 4 | 66°F | 43°F | 87°F 1897 | 25°F 1901 | 34% | 0% |
| Oct 5 | 66°F | 42°F | 86°F 2025 | 25°F 1952 | 34% | 0% |
| Oct 6 | 65°F | 42°F | 88°F 1963 | 22°F 1952 | 34% | 0% |
| Oct 7 | 65°F | 42°F | 87°F 2007 | 25°F 2001 | 34% | 0% |
| Oct 8 | 64°F | 41°F | 85°F 1949 | 26°F 1987 | 34% | 0% |
| Oct 9 | 64°F | 41°F | 84°F 2007 | 23°F 1895 | 34% | 0% |
| Oct 10 | 64°F | 40°F | 85°F 1938 | 19°F 1964 | 34% | 0% |
| Oct 11 | 63°F | 40°F | 83°F 1928 | 15°F 1906 | 34% | 0% |
| Oct 12 | 63°F | 40°F | 81°F 1920 | 23°F 2009 | 35% | 0% |
| Oct 13 | 62°F | 39°F | 87°F 1975 | 20°F 1937 | 35% | 0% |
| Oct 14 | 62°F | 39°F | 85°F 1947 | 22°F 1909 | 35% | 1% |
| Oct 15 | 61°F | 39°F | 87°F 1947 | 22°F 1893 | 35% | 1% |
| Oct 16 | 61°F | 38°F | 83°F 1938 | 19°F 1893 | 35% | 1% |
| Oct 17 | 60°F | 38°F | 85°F 1947 | 19°F 1909 | 35% | 1% |
| Oct 18 | 60°F | 38°F | 86°F 1950 | 19°F 1952 | 35% | 1% |
| Oct 19 | 59°F | 37°F | 81°F 1953 | 17°F 1909 | 34% | 1% |
| Oct 20 | 59°F | 37°F | 84°F 1953 | 19°F 1952 | 34% | 1% |
| Oct 21 | 58°F | 37°F | 86°F 1947 | 21°F 1896 | 34% | 1% |
| Oct 22 | 58°F | 36°F | 83°F 1947 | 22°F 1896 | 34% | 1% |
| Oct 23 | 58°F | 36°F | 82°F 1963 | 18°F 1895 | 34% | 1% |
| Oct 24 | 57°F | 36°F | 80°F 1963 | 18°F 1981 | 34% | 1% |
| Oct 25 | 57°F | 35°F | 78°F 2023 | 15°F 1893 | 34% | 2% |
| Oct 26 | 56°F | 35°F | 80°F 1963 | 18°F 1962 | 34% | 2% |
| Oct 27 | 55°F | 35°F | 78°F 1927 | 17°F 1898 | 34% | 2% |
| Oct 28 | 55°F | 34°F | 75°F 1896 | 15°F 1895 | 33% | 2% |
| Oct 29 | 54°F | 34°F | 81°F 1937 | 10°F 1893 | 33% | 2% |
| Oct 30 | 54°F | 34°F | 81°F 1950 | 7°F 1925 | 33% | 2% |
| Oct 31 | 53°F | 33°F | 78°F 1950 | 14°F 1917 | 33% | 3% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- October 1
- sunrise 6:53 AM, sunset 6:37 PM
- October 31
- sunrise 7:30 AM, sunset 5:49 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00478910 (Waterloo Wwtp), public domain. Records: NOAA GHCN-Daily, station USC00478919, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.