Historical weather data, all-time temperature records, and monthly climate averages for Westerly, RI. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Westerly sits squarely in the shoulder of spring — expect a high near 52° and a low around 36°, with essentially no chance of snow. That said, there's nearly a coin-flip chance of rain, and the date has seen a 46-degree swing in recorded history, from a bitter 24° in 1962 to a pleasant 70° in 2010.
Westerly has seen genuine extremes over its 76 years of records — from a scorching 101° in July 1991 to a brutal -14° in January 1961, a 115-degree spread. The wettest day on record dumped 7.43 inches in a single day in September 1961, and a January 2015 storm buried the area under 24 inches of snow.
Summer is the sweet spot here, with highs peaking around 81-82° in mid-to-late July before gradually tapering through fall. Winters are cold but not extreme, with the coolest week of the year averaging just 36° in mid-January. August is technically the wettest stretch of the year, so pack accordingly if you're heading to the beach.