Historical weather data, all-time temperature records, and monthly climate averages for Mashpee, MA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Mashpee typically lands in that uncertain shoulder season — expect a high around 49° and a low near 35°, with nearly a coin-flip chance of rain. The date has swung wildly over the years, from a bitter 19° in 1954 all the way up to 64° just this year in 2025.
Mashpee's weather has real range — 111 degrees separates its all-time records, from a scorching 99° in August 1949 to a brutal -12° in January 1970. On the wet side, a single day in March 1968 dumped 4.65 inches of rain, and a March 1960 storm buried the area under 21.3 inches of snow.
Summer is the sweet spot here, with highs peaking around 78–79° in mid-July before gradually easing through a mild fall. Winters are cold but not brutal, with January highs averaging just 36–38°. If you're trying to dodge the rain, steer clear of late October through early November — that's historically the wettest stretch of the year.