World Resorts USA Boston Weather

Boston Sea Temperature in March

Average sea water temperature in March:
+39.2°F
Minimum sea water temperature in March: 47.3°F
Maximum sea water temperature in March: 34.2°F

Daily sea water temperature in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 38.0°F. The highest and lowest sea temperatures during the month were 41.7°F and 34.2°F.

Monthly sea water temperature in Boston, °F

Which USA resorts have warmest sea in March?

Place name March 2026 March 2025
West Palm Beach 77.1°F 75.8°F
Key Largo 76.8°F 75.1°F
Miami Beach 76.8°F 75.3°F
Honolulu 76.7°F 76.8°F
Fort Lauderdale 76.6°F 75.8°F
Hawaii 76.5°F 76.7°F
Kauai 76.5°F 75.0°F
Key West 76.5°F 74.5°F
Miami 76.0°F 74.4°F
Maui 75.5°F 76.0°F
Oahu 74.9°F 75.7°F
Cape Coral 73.9°F 71.7°F
Port St. Lucie 73.8°F 71.5°F
Naples 72.6°F 71.4°F
Corpus Christi 71.9°F 67.0°F
Tampa 71.7°F 69.3°F
Cocoa Beach 71.7°F 70.0°F
Sarasota 70.6°F 68.6°F
Clearwater Beach 70.2°F 67.6°F
Siesta Key 70.1°F 68.5°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
+48°F
E 3 mph
Feels like: +48°F
Precip.: 3%
Places in USA:
Name
°F
+48°F
+52°F
+77°F
+63°F
+72°F
+79°F
+72°F
+55°F
+70°F
+59°F
+70°F
+70°F
+73°F
+61°F
24 Hours Forecast
Boston
Local time: 00:50
October 25, sunday
0300
46°F
E
3 mph
0600
46°F
E
3 mph
0900
50°F
E
2 mph
1200
59°F
NE
2 mph
1500
64°F
NE
4 mph
1800
57°F
N
6 mph
2100
52°F
NE
7 mph
October 26, monday
0000
50°F
NE
7 mph
Units of measurement: °C / °F