PARK FOREST, IL US
GHCN ID: USC00116616 · IL, US · 216.4 m elevation · Records 1952-2026 (74 years)
Primary station for Chicago Heights, IL.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 31.1°F | 15.2°F | 23.2°F | 2.49 in | 10.2 in |
| February | 35.2°F | 18.4°F | 26.8°F | 2.15 in | 7.5 in |
| March | 46.4°F | 28.1°F | 37.2°F | 2.65 in | 4.9 in |
| April | 59.3°F | 38.3°F | 48.8°F | 4.02 in | 0.5 in |
| May | 70.6°F | 49.3°F | 60.0°F | 4.57 in | — |
| June | 80.2°F | 58.9°F | 69.5°F | 4.91 in | — |
| July | 83.9°F | 63.8°F | 73.9°F | 4.73 in | — |
| August | 82.0°F | 62.0°F | 72.0°F | 4.02 in | — |
| September | 75.8°F | 54.6°F | 65.2°F | 3.44 in | — |
| October | 63.1°F | 42.4°F | 52.8°F | 3.65 in | 0.2 in |
| November | 48.2°F | 31.4°F | 39.8°F | 3.00 in | 0.9 in |
| December | 36.3°F | 21.5°F | 28.9°F | 2.47 in | 4.0 in |