World Resorts

USA

Boston Weather

Boston 14 Days Forecast

25.08
tue

Day

79°F

E 9 mph

Precip.
3%

Night

66°F

E 6 mph

Precip.
8%

26.08
wed

Day

77°F

E 4 mph

Precip.
1%

Night

68°F

NE 6 mph

Precip.
10%

27.08
thu

Day

82°F

NE 9 mph

Precip.
11%

Night

70°F

N 8 mph

Precip.
26%

28.08
fri

Day

82°F

W 2 mph

Precip.
10%

Night

68°F

E 7 mph

Precip.
29%

29.08
sat

Day

73°F

SE 4 mph

Precip.
5%

Night

63°F

NE 8 mph

Precip.
19%

30.08
sun

Day

79°F

NE 6 mph

Precip.
10%

Night

66°F

NE 4 mph

Precip.
56%

31.08
mon

Day

75°F

SW 7 mph

Precip.
6%

Night

64°F

W 4 mph

Precip.
22%

01.09
tue

Day

70°F

W 7 mph

Precip.
19%

Night

63°F

NW 7 mph

Precip.
79%

02.09
wed

Day

61°F

S 6 mph

Precip.
27%

Night

59°F

SW 6 mph

Precip.
66%

03.09
thu

Day

61°F

SW 8 mph

Precip.
54%

Night

63°F

SW 10 mph

Precip.
43%

04.09
fri

Day

61°F

SE 8 mph

Precip.
68%

Night

57°F

E 8 mph

Precip.
14%

05.09
sat

Day

68°F

E 4 mph

Precip.
14%

Night

59°F

S 8 mph

Precip.
20%

06.09
sun

Day

61°F

E 4 mph

Precip.
16%

Night

55°F

S 7 mph

Precip.
8%

07.09
mon

Day

57°F

SW 8 mph

Precip.
31%

Night

57°F

SW 11 mph

Precip.
18%

sea water
temperature

Boston

monthly
weather

Boston

current
weather

Boston

7 days
forecast

Boston

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2026

2025

2024

The average sea water temperature in August of 2026 was 68.4°F. The highest and lowest sea temperatures during the month were 71.4°F and 66.0°F.

Show year:

2025

2024

2023

The average sea water temperature in September of 2025 was 63.7°F. The highest and lowest sea temperatures during the month were 66.7°F and 60.1°F.