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 44.2°F. The highest and lowest sea temperatures during the month were 46.9°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
Everglades 78.3°F 78.8°F
West Palm Beach 78.1°F 78.3°F
Fort Lauderdale 78.0°F 78.0°F
Miami Beach 77.9°F 78.3°F
Key Largo 77.9°F 78.5°F
Key West 77.9°F 78.0°F
Hialeah 77.6°F 77.9°F
Kailua Kona 77.4°F 78.1°F
Miami 77.4°F 77.9°F
Honolulu 76.3°F 77.4°F
Cape Coral 76.1°F 77.2°F
Hawaii 76.1°F 77.3°F
Kahului 76.0°F 76.8°F
Marco Island 75.9°F 77.3°F
Kauai 75.9°F 74.9°F
Maui 75.8°F 76.6°F
Naples 75.4°F 77.0°F
Tampa 75.0°F 76.6°F
St. Petersburg 75.0°F 76.3°F
Oahu 74.8°F 76.4°F

Best time for vacation in Boston

Sunniest months:
August 16 days
July 15 days
November 14 days
Warmest months:
July 81.9 °F
August 80.3 °F
June 74.2 °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
May 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
+59°F
W 8 mph
Feels like: +59°F
Precip.: 0%
Places in USA:
Name
°F
+57°F
+75°F
+75°F
+61°F
+68°F
+88°F
+82°F
+72°F
+50°F
+66°F
+59°F
+82°F
+90°F
+88°F
+50°F
24 Hours Forecast
Boston
Local time: 15:37
April 26, sunday
1800
55°F
W
6 mph
2100
46°F
NW
4 mph
April 27, monday
0000
45°F
SW
2 mph
0300
43°F
SW
4 mph
0600
45°F
S
5 mph
0900
52°F
SW
7 mph
1200
57°F
SW
9 mph
1500
57°F
SW
10 mph
Units of measurement: °C / °F