July weather in Forest Park, IL
The average temperature in Forest Park in July is 76.3°F (67.7°F–85.0°F). Average precipitation: 3.55 inches.
July is a summer month in Forest Park, and is warmer than the annual average of 52.1°F. Daily temperatures swing about 17.3°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 14h 46m. For travel, July is a comfortable month to visit.
Avg High
85.0°F
Avg Low
67.7°F
Precipitation
3.55 in
Daylight
14h 46m
July records in Forest Park
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 93.9°F (2018) | 57.0°F (2001) | 0.56 in (1999) |
| July 2 | 97.0°F (2012) | 55.9°F (2001) | 4.68 in (2023) |
| July 3 | 96.1°F (2002) | 57.0°F (2014) | 1.07 in (2004) |
| July 4 | 100.9°F (2012) | 55.9°F (1997) | 0.66 in (2007) |
| July 5 | 102.0°F (2012) | 55.0°F (1997) | 1.76 in (2023) |
| July 6 | 104.0°F (2012) | 55.0°F (2001) | 1.71 in (2004) |
| July 7 | 98.1°F (2012) | 59.0°F (2004) | 0.48 in (2014) |
| July 8 | 95.0°F (2002) | 46.0°F (2008) | 0.84 in (2013) |
| July 9 | 93.0°F (2007) | 57.0°F (1997) | 1.13 in (2004) |
| July 10 | 96.1°F (2019) | 54.0°F (1997) | 0.95 in (2000) |
| July 11 | 91.9°F (2016) | 59.0°F (1999) | 1.12 in (2009) |
| July 12 | 90.0°F (2000) | 60.1°F (2007) | 3.31 in (2014) |
| July 13 | 96.1°F (1997) | 59.0°F (2007) | 1.51 in (2024) |
| July 14 | 93.0°F (1997) | 60.1°F (2009) | 1.86 in (2024) |
| July 15 | 96.1°F (2006) | 57.0°F (2014) | 1.16 in (2003) |
| July 16 | 98.1°F (2012) | 55.9°F (2014) | 0.52 in (2015) |
| July 17 | 99.0°F (2012) | 57.9°F (2009) | 1.99 in (2022) |
| July 18 | 96.1°F (2013) | 45.0°F (2017) | 1.43 in (2019) |
| July 19 | 97.0°F (2013) | 57.0°F (2003) | 1.22 in (2008) |
| July 20 | 100.0°F (2011) | 59.0°F (2009) | 1.09 in (2006) |
| July 21 | 100.9°F (2011) | 57.9°F (2007) | 1.21 in (2017) |
| July 22 | 100.0°F (2011) | 59.0°F (2000) | 0.48 in (2017) |
| July 23 | 98.1°F (2012) | 57.0°F (2000) | 3.15 in (2010) |
| July 24 | 104.0°F (2005) | 55.9°F (2000) | 4.73 in (2010) |
| July 25 | 100.9°F (2012) | 57.9°F (2013) | 3.25 in (2025) |
| July 26 | 99.0°F (1997) | 61.0°F (2004) | 0.96 in (2005) |
| July 27 | 97.0°F (1997) | 57.0°F (2013) | 0.56 in (2022) |
| July 28 | 95.0°F (1999) | 55.0°F (2013) | 1.14 in (2023) |
| July 29 | 99.0°F (1999) | 57.0°F (2003) | 0.68 in (2019) |
| July 30 | 104.0°F (1999) | 61.0°F (1997) | 0.53 in (2025) |
| July 31 | 99.0°F (2006) | 60.1°F (1997) | 0.60 in (2010) |