Historical weather data, all-time temperature records, and monthly climate averages for Brookside, DE. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4 in Brookside typically lands right in that sweet spot of early spring, with average highs of 60° and lows of 37°. But the date has a wild range in the record books — it's hit as warm as 81° back in 1963 and dropped to a brutal 22° in 1898. There's about a 1-in-3 chance of rain today, so keep a jacket handy.
Brookside has seen some genuine extremes over its 132 years of records — from a scorching 105° on July 16, 1983, to a bone-chilling -12° on February 11, 1899, a swing of 117 degrees. The wettest single day on record dumped 8.67 inches during Hurricane Floyd on September 16, 1999, and a February 1979 storm buried the area under 15 inches of snow in one shot.
Summer is the main event in Brookside, with highs peaking around 87-88° in mid-July and the wettest weather of the year arriving that same month, averaging over an inch of rain per week. Winter is gray and cold but not brutal, with highs hovering in the low 40s from January through February. Spring and fall are the sweet spots for comfortable outdoor weather, with pleasant 60s and 70s through April, May, and October.