World Resorts USA Boston Weather

Boston sea water temperature

Current sea water temperature:
+41.9°F
Minimum sea water temperature in March: 47.3°F
Maximum sea water temperature in March: 34.9°F
Average sea water temperature in March: 39.2°F

Sea water temperature for the last 10 days:

March 24 41.9°F March 19 38.8°F
March 23 41.5°F March 18 38.8°F
March 22 41.9°F March 17 38.7°F
March 21 40.1°F March 16 38.7°F
March 20 40.6°F March 15 37.8°F

When is the warmest sea in Boston?

Based on the data about daily sea water temperature for the last three years the warmest sea in Boston was noticed in August, July and September.

Monthly Sea Temperatures 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
39.2
38.2
40.8

Sea water temperature in August, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
58
61
64
67
70
73
76
79

The average sea water temperature in August of 2024 was 66.6°F. The highest and lowest sea temperatures during the month were 70.3°F and 64.2°F.

Sea water temperature in July, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
57
60
63
66
69
72
75
78

The average sea water temperature in July of 2024 was 66.0°F. The highest and lowest sea temperatures during the month were 68.5°F and 61.5°F.

Sea water temperature in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
57
60
63
66
69
72
75
78

The average sea water temperature in September of 2024 was 64.4°F. The highest and lowest sea temperatures during the month were 67.8°F and 61.3°F.

Best time for vacation in Boston

Sunniest months:
August 16 days
July 15 days
September 13 days
Warmest months:
July 81.9 °F
August 80.5 °F
June 74.2 °F
Warmest sea temp:
August 67.6 °F
July 66.7 °F
September 64.3 °F
Coldest months:
January 33.3 °F
February 34.8 °F
December 39.4 °F
Rainiest months:
April 5 days
June 5 days
December 4 days
Windiest months:
January 10.8 mph
March 10.8 mph
February 10.5 mph

Boston on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
+41°F
+57°F
+75°F
+75°F
+84°F
+77°F
+72°F
+48°F
+79°F
+64°F
+64°F
+70°F
+72°F
+84°F
+48°F
24 Hours Forecast
Boston
Local time: 19:40
March 24, monday
2100
41°F
E
6 mph
March 25, tuesday
0000
41°F
NE
6 mph
0300
41°F
NE
6 mph
0600
39°F
E
5 mph
0900
41°F
E
9 mph
1200
48°F
E
12 mph
1500
48°F
E
12 mph
1800
46°F
E
10 mph
Units of measurement: °C / °F