Ontario Weather in June
Average highs run from 77°F on June 1 to 83°F on June 30, and lows from 54°F to 61°F. Normal precipitation for the month is 4.32 in over about 12 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
- 80°F
- Average low
- 58°F
- Precipitation
- 4.32 in
- Record high
- 101°FJun 25, 1988
- Record low
- 37°FJun 1, 2003
- Chance of a freeze
- 0%
- Days of 90°F or more
- 1.9
- Daylight
- 14 h 55 min to 15 h 04 min
- Cloud cover
- 71%
- 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 | 77°F | 54°F | 89°F 1988 | 37°F 2003 | 41% | 0% |
| Jun 2 | 77°F | 54°F | 89°F 1951 | 37°F 2003 | 41% | 0% |
| Jun 3 | 77°F | 54°F | 89°F 2023 | 39°F 1977 | 41% | 0% |
| Jun 4 | 77°F | 55°F | 93°F 2011 | 40°F 2001 | 41% | 0% |
| Jun 5 | 78°F | 55°F | 89°F 2005 | 37°F 1990 | 40% | 0% |
| Jun 6 | 78°F | 55°F | 91°F 1988 | 41°F 1977 | 40% | 0% |
| Jun 7 | 78°F | 56°F | 90°F 1988 | 38°F 1977 | 40% | 0% |
| Jun 8 | 79°F | 56°F | 93°F 2011 | 40°F 1977 | 40% | 0% |
| Jun 9 | 79°F | 56°F | 94°F 2020 | 41°F 1949 | 40% | 0% |
| Jun 10 | 79°F | 56°F | 92°F 1999 | 39°F 1988 | 40% | 0% |
| Jun 11 | 79°F | 57°F | 92°F 2016 | 38°F 1972 | 40% | 0% |
| Jun 12 | 80°F | 57°F | 89°F 2015 | 42°F 1963 | 39% | 0% |
| Jun 13 | 80°F | 57°F | 92°F 1956 | 43°F 1985 | 39% | 0% |
| Jun 14 | 80°F | 58°F | 92°F 1967 | 44°F 1965 | 39% | 0% |
| Jun 15 | 80°F | 58°F | 93°F 1952 | 43°F 1997 | 39% | 0% |
| Jun 16 | 81°F | 58°F | 93°F 1952 | 42°F 1961 | 39% | 0% |
| Jun 17 | 81°F | 58°F | 94°F 2024 | 41°F 1980 | 39% | 0% |
| Jun 18 | 81°F | 58°F | 93°F 1994 | 44°F 1950 | 39% | 0% |
| Jun 19 | 81°F | 59°F | 94°F 1994 | 46°F 2003 | 39% | 0% |
| Jun 20 | 82°F | 59°F | 94°F 1953 | 44°F 2003 | 39% | 0% |
| Jun 21 | 82°F | 59°F | 96°F 1988 | 41°F 1992 | 39% | 0% |
| Jun 22 | 82°F | 59°F | 95°F 1988 | 38°F 1992 | 39% | 0% |
| Jun 23 | 82°F | 60°F | 92°F 2025 | 47°F 1982 | 39% | 0% |
| Jun 24 | 82°F | 60°F | 93°F 2025 | 45°F 1979 | 39% | 0% |
| Jun 25 | 83°F | 60°F | 101°F 1988 | 42°F 1979 | 39% | 0% |
| Jun 26 | 83°F | 60°F | 97°F 1952 | 46°F 2004 | 39% | 0% |
| Jun 27 | 83°F | 60°F | 94°F 1983 | 47°F 1988 | 39% | 0% |
| Jun 28 | 83°F | 60°F | 98°F 2012 | 49°F 1988 | 39% | 0% |
| Jun 29 | 83°F | 60°F | 95°F 1952 | 48°F 1989 | 39% | 0% |
| Jun 30 | 83°F | 61°F | 94°F 1970 | 46°F 1988 | 39% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- June 1
- sunrise 6:01 AM, sunset 8:56 PM
- June 30
- sunrise 6:02 AM, sunset 9:06 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00334874 (Mansfield 5 W), public domain. Records: NOAA GHCN-Daily, station USW00014891, 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.