21.07
tue
tue
Day
75°F
NW 15 mph
Precip.
9%
9%
Night
72°F
NE 28 mph
Precip.
84%
84%
22.07
wed
wed
Day
75°F
NE 21 mph
Precip.
49%
49%
Night
72°F
NE 16 mph
Precip.
81%
81%
23.07
thu
thu
Day
70°F
SE 7 mph
Precip.
3%
3%
Night
68°F
SW 7 mph
Precip.
5%
5%
24.07
fri
fri
Day
72°F
NW 5 mph
Precip.
2%
2%
Night
66°F
NW 7 mph
Precip.
10%
10%
25.07
sat
sat
Day
70°F
W 12 mph
Precip.
3%
3%
Night
66°F
N 6 mph
Precip.
5%
5%
26.07
sun
sun
Day
72°F
NW 8 mph
Precip.
2%
2%
Night
66°F
N 6 mph
Precip.
5%
5%
27.07
mon
mon
Day
77°F
NE 17 mph
Precip.
6%
6%
Night
72°F
NE 21 mph
Precip.
42%
42%
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 67.9°F. The highest and lowest sea temperatures during the month were 69.3°F and 65.5°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 67.8°F. The highest and lowest sea temperatures during the month were 70.3°F and 65.1°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: 09:24
July 21, tuesday
1200
75°F
NW
15 mph
15 mph
1500
75°F
NW
19 mph
19 mph
1800
73°F
NW
18 mph
18 mph
2100
72°F
N
21 mph
21 mph
July 22, wednesday
0000
72°F
NE
28 mph
28 mph
0300
72°F
NE
22 mph
22 mph
0600
72°F
NE
22 mph
22 mph
0900
73°F
NE
20 mph
20 mph
