World Resorts USA Boston Weather

Boston Sea Temperature in April

Average sea water temperature in April:
+44.0°F
Minimum sea water temperature in April: 50.2°F
Maximum sea water temperature in April: 36.9°F

Daily sea water temperature in April, °F

Show year:
2026
2025
2024

The average sea water temperature in April of 2026 was 44.7°F. The highest and lowest sea temperatures during the month were 48.9°F and 41.0°F.

Monthly sea water temperature in Boston, °F

Which USA resorts have warmest sea in April?

Place name April 2026 April 2025
West Palm Beach 78.2°F 78.3°F
Key West 78.2°F 78.0°F
Fort Lauderdale 78.1°F 78.0°F
Miami Beach 78.0°F 78.3°F
Miami 77.5°F 77.9°F
Honolulu 76.5°F 77.4°F
Hawaii 76.2°F 77.3°F
Maui 75.9°F 76.6°F
Kauai 75.9°F 74.9°F
Naples 75.8°F 77.0°F
South Padre Island 75.7°F 74.5°F
Tampa 75.3°F 76.6°F
Cocoa Beach 75.0°F 75.1°F
Corpus Christi 75.0°F 74.7°F
Oahu 74.9°F 76.4°F
Clearwater Beach 74.7°F 75.6°F
Houston 74.5°F 73.7°F
Sarasota 74.2°F 76.0°F
Siesta Key 73.8°F 75.7°F
Bay Saint Louis 73.8°F 73.3°F

Best time for vacation in Boston

Sunniest months:
August 16 days
July 15 days
November 14 days
Warmest months:
July 82.1 °F
August 80.6 °F
June 74.6 °F
Warmest sea temp:
August 67.6 °F
July 66.8 °F
September 64.3 °F
Coldest months:
January 33.2 °F
February 34.6 °F
December 39.2 °F
Rainiest months:
April 5 days
June 4 days
October 4 days
Windiest months:
January 10.7 mph
March 10.6 mph
February 10.3 mph

Boston on a weather map

Boston
+68°F
SE 10 mph
Feels like: +68°F
Precip.: 1%
Places in USA:
Name
°F
+68°F
+75°F
+79°F
+91°F
+84°F
+86°F
+72°F
+91°F
+75°F
+72°F
+64°F
+77°F
+88°F
+72°F
24 Hours Forecast
Boston
Local time: 16:55
September 14, monday
1800
68°F
SE
10 mph
2100
63°F
SE
7 mph
September 15, tuesday
0000
59°F
SW
6 mph
0300
57°F
S
9 mph
0600
55°F
SW
8 mph
0900
61°F
SW
9 mph
1200
63°F
SW
6 mph
1500
64°F
W
7 mph
Units of measurement: °C / °F