Historical weather data, all-time temperature records, and monthly climate averages for Chicago Ridge, IL. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Chicago Ridge runs the full gamut — 97 years of data show highs anywhere from 18° to 85°, with today's 1988 record of 85° proving early spring can occasionally feel like summer. Expect something closer to the average of 54° high and 37° low, and keep an umbrella handy: there's a 43% chance of rain and even a 7% shot at snow.
Chicago Ridge has seen some serious extremes over nearly a century of records — a scorching 107° in June 1934 and a brutal -25° in January 1985, a 132-degree swing that captures the full drama of Midwest weather. A single July day in 1957 dumped 6.16 inches of rain, and a January 1999 storm buried the area under 17.6 inches of snow.
Summer is the sweet spot here, with highs peaking around 85° in mid-July before gradually cooling into a pleasant fall — October still averages a comfortable 64°. Winters are genuinely cold, with January and February highs hovering in the low-to-mid 30s. If you're watching for rain, mid-July is the wettest stretch, averaging 1.26 inches in a single week.