Average monthly water temperature in Weymouth, the United States of America
On this page you find the mean water temperature over the year in Weymouth (Massachusetts), the United States of America. Understand how water temperatures vary throughout the year.
In Weymouth, the water undergoes seasonal changes. The warmest month is August, with an average water temperature of 20°C (68°F).
The coldest water temperature month, February, has an average temperature of 4°C (39°F). It may not be the ideal time for a swim.
Weymouth Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Weymouth - and find the best time to visit.
Weymouth 3-Day Forecast
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Weymouth climate overview or explore weather in the United States of America.
Popular this month
Where to go in September - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
The 10 most alternative cities in the United States
Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.
Sedona: Explore Majestic Red Rock Landscapes
A picturesque artists' town surrounded by red rocks and known for its spirituality, vortex energy, and stunning hikes like Cathedral Rock.
10 most idyllic villages to visit in the United States
Discover 10 idyllic villages in the USA, from California to Vermont. Explore their unique charm, rich history, stunning nature, and vibrant arts scenes.