15.08
sat
sat
Day
77°F
S 10 mph
Precip.
10%
10%
Night
68°F
NE 6 mph
Precip.
6%
6%
16.08
sun
sun
Day
73°F
N 11 mph
Precip.
3%
3%
Night
72°F
N 12 mph
Precip.
17%
17%
17.08
mon
mon
Day
66°F
NW 21 mph
Precip.
77%
77%
Night
68°F
S 17 mph
Precip.
31%
31%
18.08
tue
tue
Day
70°F
S 13 mph
Precip.
19%
19%
Night
70°F
NE 9 mph
Precip.
12%
12%
19.08
wed
wed
Day
75°F
NE 13 mph
Precip.
5%
5%
Night
75°F
NE 15 mph
Precip.
15%
15%
20.08
thu
thu
Day
77°F
NE 9 mph
Precip.
59%
59%
Night
70°F
S 7 mph
Precip.
13%
13%
21.08
fri
fri
Day
73°F
SW 11 mph
Precip.
4%
4%
Night
70°F
NW 9 mph
Precip.
7%
7%
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 69.8°F. The highest and lowest sea temperatures during the month were 73.2°F and 66.2°F.
Air temperature in Chatham, °F
Precipitation total in Chatham, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Chatham
Chatham on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Chatham
Local time: 08:53
August 15, saturday
0900
73°F
S
9 mph
9 mph
1200
77°F
S
10 mph
10 mph
1500
72°F
SW
7 mph
7 mph
1800
72°F
NW
6 mph
6 mph
2100
68°F
N
6 mph
6 mph
August 16, sunday
0000
68°F
NE
6 mph
6 mph
0300
68°F
E
8 mph
8 mph
0600
66°F
E
2 mph
2 mph
