Historical weather data, all-time temperature records, and monthly climate averages for Westwood, NJ. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Westwood lands right in the heart of spring's uncertainty — historically, highs average a mild 57° but have swung from a bitter 27° low in 1975 to a shirt-sleeve 77° in 1974. There's about a 4-in-10 chance of rain today, so keep an umbrella handy, though snow is essentially off the table.
Westwood has seen some genuine extremes over its 57 years of records — from a scorching 104° in July 2011 to a brutal -7° in January 1984, a swing of 111 degrees. The wettest single day on record dumped 8.18 inches during a September 1999 storm, and a February 1978 snowstorm buried the area under 16 inches in one shot.
Summer is the undisputed star here, with late July averaging highs near 88° and July also claiming the wettest stretch of the year at over an inch of precip per week. If you're avoiding the cold, steer clear of mid-January, when average highs scrape just 37°. Spring and fall offer the most comfortable conditions, with pleasant highs in the 60s and 70s through April, May, September, and October.