Waterloo Weather in June
Average highs run from 75°F on June 1 to 81°F on June 30, and lows from 53°F to 60°F. Normal precipitation for the month is 5.61 in over about 13 wet days.
June day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
June at a glance
- Average high
- 79°F
- Average low
- 57°F
- Precipitation
- 5.61 in
- Record high
- 101°FJun 22, 1988
- Record low
- 30°FJun 6, 1894
- Chance of a freeze
- 0%
- Days of 90°F or more
- 1.7
- Daylight
- 15 h 10 min to 15 h 20 min
- Cloud cover
- 60%
- Humidity
- 76%
- Dew point
- 59°F
- Wind
- 9.2 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 |
|---|---|---|---|---|---|---|
| Jun 1 | 75°F | 53°F | 100°F 1934 | 34°F 1897 | 42% | 0% |
| Jun 2 | 75°F | 53°F | 92°F 1988 | 34°F 1956 | 42% | 0% |
| Jun 3 | 76°F | 53°F | 92°F 1972 | 37°F 1947 | 42% | 0% |
| Jun 4 | 76°F | 54°F | 92°F 1948 | 31°F 1945 | 42% | 0% |
| Jun 5 | 76°F | 54°F | 93°F 1934 | 31°F 1894 | 42% | 0% |
| Jun 6 | 76°F | 54°F | 94°F 1933 | 30°F 1894 | 42% | 0% |
| Jun 7 | 77°F | 55°F | 94°F 1933 | 36°F 1897 | 42% | 0% |
| Jun 8 | 77°F | 55°F | 94°F 2011 | 34°F 1901 | 42% | 0% |
| Jun 9 | 77°F | 55°F | 95°F 1985 | 34°F 1901 | 42% | 0% |
| Jun 10 | 78°F | 56°F | 96°F 1956 | 35°F 1980 | 42% | 0% |
| Jun 11 | 78°F | 56°F | 94°F 1949 | 38°F 1906 | 42% | 0% |
| Jun 12 | 78°F | 56°F | 95°F 1894 | 34°F 1903 | 42% | 0% |
| Jun 13 | 78°F | 57°F | 96°F 1894 | 41°F 1906 | 42% | 0% |
| Jun 14 | 78°F | 57°F | 96°F 1894 | 40°F 1942 | 42% | 0% |
| Jun 15 | 79°F | 57°F | 97°F 1987 | 40°F 1965 | 42% | 0% |
| Jun 16 | 79°F | 57°F | 95°F 1946 | 37°F 1980 | 42% | 0% |
| Jun 17 | 79°F | 58°F | 93°F 1994 | 39°F 1972 | 42% | 0% |
| Jun 18 | 79°F | 58°F | 96°F 1994 | 40°F 1909 | 42% | 0% |
| Jun 19 | 80°F | 58°F | 99°F 1953 | 42°F 1894 | 41% | 0% |
| Jun 20 | 80°F | 58°F | 98°F 1953 | 38°F 1914 | 41% | 0% |
| Jun 21 | 80°F | 58°F | 100°F 1988 | 38°F 1963 | 41% | 0% |
| Jun 22 | 80°F | 59°F | 101°F 1988 | 39°F 1902 | 41% | 0% |
| Jun 23 | 80°F | 59°F | 96°F 1988 | 40°F 1918 | 40% | 0% |
| Jun 24 | 80°F | 59°F | 96°F 1923 | 44°F 1961 | 40% | 0% |
| Jun 25 | 81°F | 59°F | 96°F 1901 | 41°F 1979 | 40% | 0% |
| Jun 26 | 81°F | 59°F | 98°F 1988 | 41°F 1902 | 39% | 0% |
| Jun 27 | 81°F | 59°F | 98°F 1931 | 40°F 1905 | 39% | 0% |
| Jun 28 | 81°F | 60°F | 100°F 1931 | 42°F 1905 | 38% | 0% |
| Jun 29 | 81°F | 60°F | 101°F 1931 | 45°F 1923 | 38% | 0% |
| Jun 30 | 81°F | 60°F | 101°F 1931 | 39°F 1900 | 38% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- June 1
- sunrise 5:19 AM, sunset 8:29 PM
- June 30
- sunrise 5:20 AM, sunset 8:40 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.