Historical weather data, all-time temperature records, and monthly climate averages for Barnstable, MA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Barnstable typically lands in that shoulder-season limbo — a 50° high and 34° low are the norm across 123 years of data. The date has seen wild swings though, from a balmy 71° back in 1977 down to a biting 16° in 1954. There's a 32% chance of rain today, but snow is essentially off the table.
Barnstable has seen the full extremes a New England coastal town can deliver — from a scorching 100° in August 1948 to a bone-chilling -12° in February 1934, a 112-degree spread. The wettest single day on record dumped 6.04 inches during a September 2010 storm, and a January 2005 snowstorm buried the area under two feet in a single day.
Summer is the clear sweet spot here, with highs averaging 79-80° during the third week of July — classic Cape Cod beach weather. Winter bottoms out in late January through early February, when highs only reach the upper 30s. Interestingly, early April is statistically the wettest week of the year, averaging 1.1 inches of precipitation, so pack accordingly for spring visits.