Historical weather data, all-time temperature records, and monthly climate averages for Elgin, IL. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Elgin sits right in that tricky transitional zone — historically, highs land around 55° but the date has seen everything from a balmy 78° (1921) to a brutal 17° low (1982). There's a 39% chance of rain today, so don't leave the umbrella behind, though snow is nearly off the table at just 3%.
Elgin's weather has real range — 130 degrees separates its all-time extremes, from a scorching 103° on July 1, 1910 to a bone-chilling -27° on January 20, 1985. On the wet side, a single day in July 2010 dumped 6.47 inches of rain, and a January 1966 storm buried the area under 16.5 inches of snow.
Summer is the sweet spot, with highs peaking around 84-85° in mid-July, while mid-January is when Elgin earns its Midwest credentials with average highs barely scraping 28°. If you're watching the rain, mid-June is the wettest stretch of the year, averaging over an inch of precipitation in a single week.