World Resorts USA Boston Weather

Boston 7 Days Forecast

16.05
sat
Day
73°F
NE 10 mph
Precip.
0%
Night
63°F
NE 12 mph
Precip.
0%
17.05
sun
Day
79°F
E 11 mph
Precip.
0%
Night
63°F
SW 6 mph
Precip.
0%
18.05
mon
Day
66°F
W 8 mph
Precip.
0%
Night
57°F
N 6 mph
Precip.
0%
19.05
tue
Day
86°F
E 11 mph
Precip.
0%
Night
73°F
NE 9 mph
Precip.
0%
20.05
wed
Day
90°F
E 16 mph
Precip.
0%
Night
61°F
E 10 mph
Precip.
0%
21.05
thu
Day
61°F
NE 7 mph
Precip.
0%
Night
54°F
NE 6 mph
Precip.
0%
22.05
fri
Day
61°F
NW 2 mph
Precip.
0%
Night
52°F
NE 7 mph
Precip.
0%

Sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 50.9°F. The highest and lowest sea temperatures during the month were 53.2°F and 48.2°F.

Air temperature in Boston, °F

Precipitation total in Boston, in.

* Charts above show average data for the last 3 years.

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

Current weather
21:04
Boston
+66°F
NE 12 mph
Feels like: +66°F
Precip.: 0%
Places in USA:
Name
°F
Boston
+66°F
Hawaii
+79°F
Honolulu
+79°F
Las Vegas
+93°F
Los Angeles
+72°F
Miami
+81°F
Miami Beach
+82°F
Maui
+75°F
New York
+72°F
San Diego
+64°F
San Francisco
+70°F
Sarasota
+79°F
Tampa
+81°F
Houston
+77°F
Chicago
+68°F
all places
24 Hours Forecast
Boston
Local time: 21:04
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
2100
70°F
SE
7 mph
Units of measurement: °C / °F