Historical weather data, all-time temperature records, and monthly climate averages for Crestwood, IL. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Crestwood runs chilly, with an average high of just 53° and a low of 36°. The date has seen wild swings though — a balmy 80° back in 1929, and a brutal 16° in 1975. There's nearly a coin-flip chance of rain today, with a small but real 5% shot at snow.
Crestwood's weather has real teeth on both ends — the thermometer has hit 107° in June 1934 and cratered to -25° in January 1985, a swing of 132 degrees. Single-day rainfall topped out at 6.16 inches in July 1957, and a January 1999 snowstorm dumped 17.6 inches in one shot.
Summer is the clear star here, with mid-July highs averaging 85° and the wettest stretch of the year arriving right on its heels. Winters are legitimately cold — the third week of January averages a high of just 31°, so pack accordingly. Spring and fall offer a pleasant middle ground, with April and October highs in the upper 50s to mid-60s.