Measurements:
°C
°F
Boston
34°F
S 12 mph
Feels like: 24°F
Precip: 0%
World Resorts USA Boston Weather August Weather in Boston

Boston Weather: August

Average Day Temperature: 83.9°F
Average Night Temperature: 68.9°F
Sea Water Temperature: 69.6°F
Number of Sunny Days: 16 days
Sunshine Hours: 13.2 - 14.4 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.9 in

Air Temperature in August, °F

Select Year: 2024 2023 2022
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3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
16
32
48
64
80
96
112
128
Day Temperature   
Night Temperature

The highest day temperature in August 2024 was 96°F. The lowest night temperature was 55°F. The average values for day and night temperatures during August were 81.0°F и 65.7°F respectivly.

Boston Water Sea Temperature in August, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
60
63
66
69
72
75
78
81

The average sea surface temperature in August 2024 for Boston was 68.4°F. The maximum and minimum values were 65.8°F and 72.6°F respectively.

Sunny, Cloudy and Gloomy days
Sunny days
Cloudy days
Gloomy days
52%
29%
19%

Most of the days in August are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in August, in

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
0.5
1.1
1.6
2.2
2.7
3.3
3.8

Precipitation total in August for Boston is 1.9 in. It makes august one of the least rainy months of the year.

Wind Speed in August, mph
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.9
3.7
5.6
7.4
9.3
11.1
13.0
14.9

The average wind speed in August is 7.4 mph. It makes August the most windless month of the year for Boston.

Average Sunny Hours Per Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.6
3.2
4.8
6.4
8.0
9.6
11.2

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Boston in August is 8.8 hours.

Best Time to Visit Boston
The most sunny months:
August 16 days
July 15 days
June 13 days
The most warm months:
July 85.5 °F
August 83.9 °F
June 76.9 °F
Warmest sea temperature:
August 69.5 °F
July 68.6 °F
September 65.9 °F
The most cold months:
January 31.5 °F
February 33.1 °F
December 38.2 °F
The most rainy months:
April 5 days
June 5 days
July 4 days
The most windy months:
January 11 mph
March 11 mph
February 10 mph

Boston on the Weather Map

USA Resorts:
NAME
Boston +34
Chicago +48
Hawaii +76
Honolulu +76
Houston +66
Las Vegas +58
Los Angeles +58
Miami +72
New York +44
Orlando +68
San Diego +56
San Francisco +50
Sarasota +68
Tampa +68
Washington +48
24 Hours Weather Forecast
Boston
Local time: 07:31
13 apr, sunday
0900 34°F
S
12 mph
1200 38°F
S
10 mph
1500 40°F
SE
9 mph
1800 40°F
SE
9 mph
2100 42°F
SE
10 mph
14 apr, monday
0000 42°F
SE
9 mph
0300 40°F
SE
7 mph
0600 40°F
SE
6 mph