Historical weather data, all-time temperature records, and monthly climate averages for Lafayette, IN. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5 in Lafayette lands right in the heart of spring's unpredictability — the average high of 56° sounds pleasant, but this date has swung from 85° (1988) all the way down to a brutal 17° low in 1995. There's a 40% chance of rain today, so keep a jacket handy.
Lafayette's weather has real teeth: the all-time high of 105° set in June 1988 and the all-time low of -23° in January 1985 represent a 128-degree spread between extremes. A single August day in 1981 dropped over 6 inches of rain, and December 1973 buried the city under nearly 14 inches of snow in one storm.
Summers are warm and humid, peaking mid-July with average highs of 86°, while winters are genuinely cold — mid-January highs barely crack 32°. Your wettest odds come in mid-June, making late summer or early fall the sweet spot for a visit.