Waterloo Weather in June
Average highs run from 74°F on June 1 to 80°F on June 30, and lows from 53°F to 60°F. Normal precipitation for the month is 3.95 in over about 10 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
- 78°F
- Average low
- 57°F
- Precipitation
- 3.95 in
- Record high
- 102°FJun 28, 2012
- Record low
- 37°FJun 1, 1993
- Chance of a freeze
- 0%
- Days of 90°F or more
- 2.6
- Daylight
- 14 h 58 min to 15 h 08 min
- Cloud cover
- 60%
- Humidity
- 77%
- Dew point
- 60°F
- Wind
- 8.7 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 | 74°F | 53°F | 89°F 2007 | 37°F 1993 | 35% | 0% |
| Jun 2 | 74°F | 54°F | 91°F 2007 | 37°F 2025 | 35% | 0% |
| Jun 3 | 75°F | 54°F | 91°F 2007 | 43°F 1994 | 34% | 0% |
| Jun 4 | 75°F | 54°F | 85°F 2002 | 40°F 2001 | 34% | 0% |
| Jun 5 | 75°F | 55°F | 94°F 2005 | 40°F 1990 | 34% | 0% |
| Jun 6 | 75°F | 55°F | 91°F 2008 | 37°F 1998 | 34% | 0% |
| Jun 7 | 76°F | 55°F | 94°F 2007 | 39°F 1998 | 34% | 0% |
| Jun 8 | 76°F | 56°F | 92°F 2005 | 38°F 1998 | 33% | 0% |
| Jun 9 | 76°F | 56°F | 93°F 2005 | 42°F 1994 | 33% | 0% |
| Jun 10 | 76°F | 56°F | 92°F 1999 | 45°F 1994 | 33% | 0% |
| Jun 11 | 77°F | 56°F | 90°F 1999 | 44°F 2024 | 33% | 0% |
| Jun 12 | 77°F | 57°F | 91°F 2021 | 47°F 1992 | 33% | 0% |
| Jun 13 | 77°F | 57°F | 93°F 2007 | 46°F 1995 | 32% | 0% |
| Jun 14 | 77°F | 57°F | 93°F 2022 | 42°F 2014 | 32% | 0% |
| Jun 15 | 78°F | 58°F | 98°F 2024 | 47°F 1999 | 32% | 0% |
| Jun 16 | 78°F | 58°F | 95°F 1994 | 47°F 1999 | 32% | 0% |
| Jun 17 | 78°F | 58°F | 94°F 1994 | 48°F 2021 | 32% | 0% |
| Jun 18 | 78°F | 58°F | 96°F 1994 | 44°F 1999 | 31% | 0% |
| Jun 19 | 79°F | 59°F | 96°F 1994 | 50°F 2008 | 31% | 0% |
| Jun 20 | 79°F | 59°F | 95°F 1995 | 50°F 1992 | 31% | 0% |
| Jun 21 | 79°F | 59°F | 94°F 2022 | 43°F 1992 | 31% | 0% |
| Jun 22 | 79°F | 59°F | 91°F 2002 | 41°F 1992 | 31% | 0% |
| Jun 23 | 79°F | 59°F | 90°F 2002 | 50°F 2004 | 30% | 0% |
| Jun 24 | 80°F | 59°F | 95°F 2005 | 50°F 1992 | 30% | 0% |
| Jun 25 | 80°F | 60°F | 97°F 2005 | 43°F 1990 | 30% | 0% |
| Jun 26 | 80°F | 60°F | 96°F 2005 | 48°F 2012 | 30% | 0% |
| Jun 27 | 80°F | 60°F | 95°F 2005 | 46°F 2017 | 30% | 0% |
| Jun 28 | 80°F | 60°F | 102°F 2012 | 45°F 1992 | 30% | 0% |
| Jun 29 | 80°F | 60°F | 99°F 2012 | 48°F 1989 | 30% | 0% |
| Jun 30 | 80°F | 60°F | 95°F 1991 | 48°F 1989 | 30% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- June 1
- sunrise 6:09 AM, sunset 9:07 PM
- June 30
- sunrise 6:10 AM, sunset 9:18 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00123207 (Garrett 1 S), public domain. Records: NOAA GHCN-Daily, station USC00123207, 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.