Historical weather data, all-time temperature records, and monthly climate averages for Rolling Meadows, IL. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5 in Rolling Meadows sits squarely in the middle of spring's uncertainty — expect a high around 54° and a low near 35°, with a 38% chance of rain. The date has seen wild swings over the years, from a balmy 76° in 2005 to a bitter 21° low back in 2002. Snow, at least, is off the table.
Rolling Meadows plays rough at the extremes — the thermometer has climbed to a scorching 104° in July 2012 and plummeted to a brutal -21° in January 2019, a swing of 125 degrees. A single June day in 2013 dropped 4.53 inches of rain, a reminder that summer storms here mean business.
Summer is the sweet spot, with highs peaking around 84–85° in mid-July and the coolest stretch bottoming out at just 30° in mid-January. If you're avoiding the wet season, note that late June through early July is the rainiest stretch of the year, averaging over an inch per week. Spring and fall offer mild shoulder seasons, with April and October averaging highs in the upper 50s to low 60s.