Historical weather data, all-time temperature records, and monthly climate averages for East Chicago, IN. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5 in East Chicago sits right in that awkward shoulder season — expect a high around 54° and a low near 34°, with about a one-in-three chance of rain. The date has swung wildly over 72 years of records, from a balmy 76° in 2005 to a bitter 18° low back in 1995.
East Chicago doesn't mess around at the extremes — it's touched 103° in the August heat of 1988 and plummeted to a brutal -27° in January 1985, a swing of 130 degrees. A single July day in 1996 dumped 6.55 inches of rain, and a February 2011 snowstorm buried the city under 19 inches in one shot.
Summer is the sweet spot here, with mid-July highs averaging 85° — though that's also when the heaviest rain falls, averaging 1.29 inches in a single week. Winters are genuinely cold, with January highs scraping just 29° during the chilliest stretch. If you're planning a visit, May through September offers the most comfortable temperatures before the lake effect chill sets back in.