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Precipitation patterns remained nearly unchanged, with June 9, 2020 recording the highest precipitation in the past 15 years at 20.9 mm, all of which came from rainfall. Interestingly, four years out of the last 15 years had no measurable precipitation on this date.
Wind speeds have varied as well, with the strongest gust on June 9 reaching 48 mph (2020) and the highest sustained wind speed recorded at 21 mph (2020).
These historical trends suggest that the weather on June 9 in Romeoville has been somewhat predictable over the years.
Historical June 9 Weather in Romeoville (Last 15 Years)
| Year | High Temp (°F) | Low Temp (°F) | Precipitation (mm) | Rain (mm) | Snowfall (mm) | Strongest Wind Gust (mph) | Max Wind Speed (mph) |
|---|---|---|---|---|---|---|---|
| 2010 | 80°F | 65°F | 1.9 mm | 1.9 mm | 0 mm | 30 mph | 15 mph |
| 2011 | 75°F | 56°F | 10.3 mm | 10.3 mm | 0 mm | 29 mph | 14 mph |
| 2012 | 88°F | 65°F | 0 mm | 0 mm | 0 mm | 25 mph | 11 mph |
| 2013 | 78°F | 60°F | 8.1 mm | 8.1 mm | 0 mm | 25 mph | 12 mph |
| 2014 | 78°F | 52°F | 0.1 mm | 0.1 mm | 0 mm | 19 mph | 9 mph |
| 2015 | 83°F | 59°F | 0 mm | 0 mm | 0 mm | 20 mph | 11 mph |
| 2016 | 78°F | 54°F | 11.4 mm | 11.4 mm | 0 mm | 18 mph | 9 mph |
| 2017 | 81°F | 62°F | 0.4 mm | 0.4 mm | 0 mm | 25 mph | 12 mph |
| 2018 | 79°F | 60°F | 20 mm | 20 mm | 0 mm | 20 mph | 10 mph |
| 2019 | 74°F | 62°F | 2.8 mm | 2.8 mm | 0 mm | 17 mph | 9 mph |
| 2020 | 87°F | 69°F | 20.9 mm | 20.9 mm | 0 mm | 48 mph | 21 mph |
| 2021 | 86°F | 68°F | 1.2 mm | 1.2 mm | 0 mm | 20 mph | 10 mph |
| 2022 | 76°F | 51°F | 0.1 mm | 0.1 mm | 0 mm | 24 mph | 11 mph |
| 2023 | 81°F | 50°F | 0 mm | 0 mm | 0 mm | 18 mph | 10 mph |
| 2024 | 76°F | 54°F | 0 mm | 0 mm | 0 mm | 34 mph | 15 mph |
