Historical weather data, all-time temperature records, and monthly climate averages for Uptown, IL. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Uptown sits right in that uncertain stretch of spring — historically, highs average 54° with lows dipping to 37°, and there's a 43% chance you'll need an umbrella. The date has swung wildly over 28 years of records, from a balmy 76° in 2021 to a biting 27° low back in 2018.
Uptown's weather has real teeth at both ends: the thermometer has touched 104° in the dead of summer (July 30, 1999) and plunged to -22° on January 30, 2019 — a swing of 126 degrees across the record books. Single-day extremes include 5.2 inches of rain on October 14, 2017, and a punishing 14.3 inches of snow on December 11, 2000.
Summer is the clear headliner, with the warmest week of the year (July 16–22) averaging a high of 86° and the broader July average reaching 85°. If you're cold-averse, avoid mid-January, when highs scrape just 30°. Pack rain gear in early May — the week of May 7–13 is the wettest of the year, averaging 1.12 inches of precipitation.