Historical weather data, all-time temperature records, and monthly climate averages for Edgewater, IL. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Edgewater typically lands in that unpredictable shoulder season — average highs of 53° and lows of 34°, but history shows anything is possible. The date has swung from a balmy 85° in 1988 all the way down to 18° in 1975, a 67-degree spread that captures Chicago-area spring in a nutshell.
Edgewater's weather history is a study in extremes: the thermometer has hit 104° in June and plunged to -27° in January, a jaw-dropping 131-degree range over the station's lifetime. Single-day rainfall has reached 6.86 inches, and a January storm in 1999 dumped 18.6 inches of snow in one shot.
If you're planning a visit, mid-July is the sweet spot — average highs peak at 85° the week of July 16–22, which is also, conveniently, the wettest week of the year. Winter is genuinely cold, with January highs averaging just 29–30°, so pack accordingly. Spring and fall offer mild transitions, though both can surprise you.