Ontario Weather in June
Average highs run from 82°F on June 1 to 91°F on June 30, and lows from 58°F to 63°F. Normal precipitation for the month is 0.02 in over about 0 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
- 86°F
- Average low
- 60°F
- Precipitation
- 0.02 in
- Record high
- 112°FJun 20, 2016
- Record low
- 46°FJun 5, 1999
- Chance of a freeze
- 0%
- Days of 90°F or more
- 11.1
- Daylight
- 14 h 17 min to 14 h 23 min
- Cloud cover
- 16%
- Humidity
- 49%
- Dew point
- 46°F
- Wind
- 6.0 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Jun 1 | 82°F | 58°F | 100°F 2013 | 51°F 2011 | 3% |
| Jun 2 | 82°F | 58°F | 96°F 2016 | 50°F 2011 | 3% |
| Jun 3 | 83°F | 58°F | 102°F 2016 | 50°F 1999 | 3% |
| Jun 4 | 83°F | 58°F | 99°F 2006 | 49°F 1999 | 2% |
| Jun 5 | 83°F | 58°F | 101°F 2002 | 46°F 1999 | 2% |
| Jun 6 | 83°F | 58°F | 95°F 2002 | 52°F 1999 | 2% |
| Jun 7 | 84°F | 58°F | 95°F 2015 | 50°F 1998 | 2% |
| Jun 8 | 84°F | 59°F | 105°F 2015 | 52°F 1999 | 2% |
| Jun 9 | 84°F | 59°F | 105°F 2019 | 49°F 2000 | 2% |
| Jun 10 | 85°F | 59°F | 107°F 2019 | 54°F 1998 | 2% |
| Jun 11 | 85°F | 59°F | 109°F 2019 | 53°F 1999 | 2% |
| Jun 12 | 85°F | 59°F | 99°F 2026 | 54°F 1999 | 1% |
| Jun 13 | 85°F | 59°F | 98°F 2007 | 51°F 1998 | 1% |
| Jun 14 | 86°F | 60°F | 101°F 2021 | 52°F 1998 | 1% |
| Jun 15 | 86°F | 60°F | 105°F 2021 | 56°F 2009 | 1% |
| Jun 16 | 86°F | 60°F | 101°F 2006 | 54°F 2016 | 1% |
| Jun 17 | 87°F | 60°F | 101°F 2021 | 55°F 2010 | 1% |
| Jun 18 | 87°F | 60°F | 103°F 2008 | 56°F 1998 | 1% |
| Jun 19 | 88°F | 61°F | 111°F 2016 | 54°F 2005 | 1% |
| Jun 20 | 88°F | 61°F | 112°F 2016 | 55°F 2005 | 1% |
| Jun 21 | 88°F | 61°F | 106°F 2008 | 54°F 1998 | 1% |
| Jun 22 | 89°F | 61°F | 103°F 2008 | 55°F 1998 | 1% |
| Jun 23 | 89°F | 62°F | 100°F 2024 | 54°F 2023 | 1% |
| Jun 24 | 89°F | 62°F | 99°F 2006 | 55°F 2023 | 1% |
| Jun 25 | 90°F | 62°F | 108°F 2017 | 55°F 2005 | 1% |
| Jun 26 | 90°F | 62°F | 105°F 2017 | 54°F 2005 | 1% |
| Jun 27 | 90°F | 62°F | 103°F 2022 | 55°F 2005 | 1% |
| Jun 28 | 91°F | 63°F | 103°F 2015 | 56°F 2005 | 1% |
| Jun 29 | 91°F | 63°F | 105°F 2013 | 57°F 2023 | 1% |
| Jun 30 | 91°F | 63°F | 104°F 2013 | 56°F 2002 | 1% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- June 1
- sunrise 5:40 AM, sunset 7:57 PM
- June 30
- sunrise 5:43 AM, sunset 8:06 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00003102 (Ontario Intl AP), public domain. Records: NOAA GHCN-Daily, station USW00003102, 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.