Ontario Weather in June
Average highs run from 74°F on June 1 to 80°F on June 30, and lows from 52°F to 59°F. Normal precipitation for the month is 4.11 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
- 77°F
- Average low
- 56°F
- Precipitation
- 4.11 in
- Record high
- 102°FJun 26, 1943
- Record low
- 34°FJun 5, 1964
- Chance of a freeze
- 0%
- Days of 90°F or more
- 1.1
- Daylight
- 15 h 10 min to 15 h 20 min
- Cloud cover
- 77%
- Humidity
- 73%
- Dew point
- 56°F
- Wind
- 4.7 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 | 52°F | 89°F 2013 | 35°F 1945 | 40% | 0% |
| Jun 2 | 74°F | 53°F | 91°F 1925 | 42°F 1926 | 40% | 0% |
| Jun 3 | 74°F | 53°F | 93°F 1925 | 35°F 1986 | 40% | 0% |
| Jun 4 | 75°F | 53°F | 98°F 1943 | 37°F 1965 | 40% | 0% |
| Jun 5 | 75°F | 54°F | 94°F 1925 | 34°F 1964 | 40% | 0% |
| Jun 6 | 75°F | 54°F | 94°F 2008 | 38°F 1948 | 39% | 0% |
| Jun 7 | 75°F | 54°F | 92°F 1999 | 35°F 1958 | 39% | 0% |
| Jun 8 | 76°F | 55°F | 93°F 2007 | 36°F 1957 | 39% | 0% |
| Jun 9 | 76°F | 55°F | 96°F 2008 | 35°F 1929 | 39% | 0% |
| Jun 10 | 76°F | 55°F | 94°F 2008 | 35°F 1980 | 39% | 0% |
| Jun 11 | 76°F | 55°F | 94°F 2020 | 39°F 1972 | 39% | 0% |
| Jun 12 | 77°F | 56°F | 95°F 1942 | 35°F 1979 | 39% | 0% |
| Jun 13 | 77°F | 56°F | 93°F 1942 | 40°F 1923 | 39% | 0% |
| Jun 14 | 77°F | 56°F | 93°F 1988 | 36°F 2020 | 39% | 0% |
| Jun 15 | 77°F | 56°F | 96°F 1943 | 37°F 2020 | 38% | 0% |
| Jun 16 | 77°F | 57°F | 94°F 1943 | 39°F 1961 | 38% | 0% |
| Jun 17 | 78°F | 57°F | 93°F 1952 | 39°F 1927 | 38% | 0% |
| Jun 18 | 78°F | 57°F | 95°F 1957 | 39°F 1958 | 38% | 0% |
| Jun 19 | 78°F | 57°F | 97°F 2001 | 40°F 1956 | 38% | 0% |
| Jun 20 | 78°F | 58°F | 97°F 2001 | 41°F 1926 | 38% | 0% |
| Jun 21 | 78°F | 58°F | 98°F 1953 | 42°F 2003 | 38% | 0% |
| Jun 22 | 79°F | 58°F | 94°F 1941 | 42°F 1931 | 38% | 0% |
| Jun 23 | 79°F | 58°F | 91°F 1975 | 41°F 1992 | 38% | 0% |
| Jun 24 | 79°F | 58°F | 94°F 1952 | 44°F 1925 | 38% | 0% |
| Jun 25 | 79°F | 59°F | 96°F 1943 | 39°F 1979 | 38% | 0% |
| Jun 26 | 79°F | 59°F | 102°F 1943 | 39°F 1979 | 38% | 0% |
| Jun 27 | 79°F | 59°F | 97°F 1943 | 40°F 1960 | 38% | 0% |
| Jun 28 | 80°F | 59°F | 98°F 1941 | 43°F 1962 | 37% | 0% |
| Jun 29 | 80°F | 59°F | 94°F 1944 | 37°F 2009 | 37% | 0% |
| Jun 30 | 80°F | 59°F | 94°F 1964 | 44°F 1925 | 37% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- June 1
- sunrise 5:32 AM, sunset 8:42 PM
- June 30
- sunrise 5:33 AM, sunset 8:53 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00309049 (Webster 2 Ne), public domain. Records: NOAA GHCN-Daily, station USC00307842, 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.