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
Everglades 77.4°F 74.4°F
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
Hilo 76.3°F 76.3°F
Hialeah 76.1°F 74.6°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
Marco Island 73.5°F 71.8°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

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
+66°F
NE 12 mph
Feels like: +66°F
Precip.: 0%
Places in USA:
Name
°F
+66°F
+79°F
+79°F
+93°F
+72°F
+81°F
+82°F
+75°F
+72°F
+64°F
+70°F
+79°F
+81°F
+82°F
+68°F
24 Hours Forecast
Boston
Local time: 20:10
May 16, saturday
2100
66°F
NE
12 mph
May 17, sunday
0000
63°F
NE
12 mph
0300
63°F
NE
11 mph
0600
61°F
NE
7 mph
0900
70°F
E
8 mph
1200
79°F
E
11 mph
1500
82°F
SE
15 mph
1800
79°F
E
11 mph
Units of measurement: °C / °F