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Precipitation patterns have also fluctuated, with July 27, 2020 recording the highest precipitation in the past 15 years at 13.6 mm, all of which came from rainfall. Interestingly, eight 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 July 27 reaching 40 mph (2014) and the highest sustained wind speed recorded at 20 mph (2014).
These historical trends suggest that the weather on July 27 in Romeoville has been quite unpredictable over the years.
Historical July 27 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 | 85°F | 65°F | 0 mm | 0 mm | 0 mm | 16 mph | 8 mph |
| 2011 | 91°F | 70°F | 1.1 mm | 1.1 mm | 0 mm | 26 mph | 11 mph |
| 2012 | 84°F | 66°F | 0.1 mm | 0.1 mm | 0 mm | 27 mph | 12 mph |
| 2013 | 67°F | 58°F | 0 mm | 0 mm | 0 mm | 27 mph | 13 mph |
| 2014 | 82°F | 66°F | 0 mm | 0 mm | 0 mm | 40 mph | 20 mph |
| 2015 | 86°F | 69°F | 0 mm | 0 mm | 0 mm | 20 mph | 9 mph |
| 2016 | 87°F | 68°F | 0 mm | 0 mm | 0 mm | 12 mph | 5 mph |
| 2017 | 81°F | 66°F | 11.1 mm | 11.1 mm | 0 mm | 26 mph | 13 mph |
| 2018 | 75°F | 59°F | 0.1 mm | 0.1 mm | 0 mm | 24 mph | 11 mph |
| 2019 | 86°F | 69°F | 1 mm | 1 mm | 0 mm | 30 mph | 15 mph |
| 2020 | 82°F | 68°F | 13.6 mm | 13.6 mm | 0 mm | 18 mph | 8 mph |
| 2021 | 88°F | 69°F | 0 mm | 0 mm | 0 mm | 21 mph | 9 mph |
| 2022 | 83°F | 67°F | 1.2 mm | 1.2 mm | 0 mm | 25 mph | 12 mph |
| 2023 | 91°F | 68°F | 0 mm | 0 mm | 0 mm | 13 mph | 6 mph |
| 2024 | 83°F | 60°F | 0 mm | 0 mm | 0 mm | 17 mph | 7 mph |
