Average sea water temperature in March:
+39.3°F
Minimum sea water temperature in March: | 47.3°F |
Maximum sea water temperature in March: | 34.9°F |
Daily sea water temperature in March, °F
Show year:
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The average sea water temperature in March of 2025 was 39.0°F. The highest and lowest sea temperatures during the month were 41.9°F and 36.5°F.
Monthly sea water temperature in Boston, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
11
22
33
44
55
66
77
88
45.1
50.7
58.1
64.3
67.6
66.7
60.2
52
43.9
39.3
38.2
40.8
Which USA resorts have warmest sea in March?
Place name | March 2025 | March 2024 |
---|---|---|
Kailua Kona | 77.7°F | 76.5°F |
Honolulu | 76.7°F | 75.8°F |
Hawaii | 76.6°F | 75.7°F |
Maui | 76.0°F | 75.1°F |
Fort Lauderdale | 75.8°F | 75.7°F |
West Palm Beach | 75.7°F | 76.6°F |
Oahu | 75.6°F | 74.5°F |
Miami Beach | 75.2°F | 76.0°F |
Kauai | 74.9°F | 74.5°F |
Everglades | 74.4°F | 77.3°F |
Key West | 74.3°F | 76.5°F |
Miami | 74.3°F | 75.5°F |
Marco Island | 71.7°F | 74.5°F |
Cape Coral | 71.6°F | 74.2°F |
Naples | 71.3°F | 73.8°F |
Cocoa Beach | 69.7°F | 71.5°F |
Tampa | 69.1°F | 71.7°F |
Sarasota | 68.4°F | 71.4°F |
Siesta Key | 68.3°F | 71.3°F |
Clearwater Beach | 67.3°F | 70.4°F |
Best time for vacation in Boston
Boston on a weather map
Leaflet | Tiles © Esri
Places in USA:
Name
°F
24 Hours Forecast
Boston
Local time: 12:51
March 29, saturday
1500

37°F
SW
9 mph
9 mph
1800

36°F
W
7 mph
7 mph
2100

36°F
W
6 mph
6 mph
March 30, sunday
0000

34°F
W
6 mph
6 mph
0300

36°F
W
6 mph
6 mph
0600

36°F
W
6 mph
6 mph
0900

37°F
W
7 mph
7 mph
1200

39°F
NW
7 mph
7 mph