Current sea water temperature:
+40.8°F
| Minimum sea water temperature in January: | 46.2°F |
| Maximum sea water temperature in January: | 36.9°F |
| Average sea water temperature in January: | 42.0°F |
| more information | |
14 days
forecast
forecast
| Chatham |
monthly
weather
weather
| Chatham |
Sea water temperature for the last 10 days:
| January 13 | 40.8°F | January 8 | 40.6°F |
| January 12 | 40.1°F | January 7 | 40.5°F |
| January 11 | 39.9°F | January 6 | 40.6°F |
| January 10 | 40.3°F | January 5 | 39.7°F |
| January 9 | 39.9°F | January 4 | 39.4°F |
Monthly sea water temperature, °F
When is the warmest sea in Chatham?
Based on the data about daily sea water temperature for the last three years the warmest sea in Chatham was noticed in August, July and September.
Monthly Sea Temperatures in Chatham, °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.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 66.9°F. The highest and lowest sea temperatures during the month were 69.8°F and 62.8°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 65.5°F. The highest and lowest sea temperatures during the month were 68.5°F and 63.9°F.
current
weather
weather
| Chatham |
weather in
January
January
| Chatham |
Best time for vacation in Chatham
Chatham on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Chatham
Local time: 13:45
January 13, tuesday
1500
43°F
NE
14 mph
14 mph
1800
41°F
NE
16 mph
16 mph
2100
39°F
NE
18 mph
18 mph
January 14, wednesday
0000
41°F
NE
22 mph
22 mph
0300
43°F
NE
22 mph
22 mph
0600
43°F
NE
21 mph
21 mph
0900
43°F
NE
17 mph
17 mph
1200
45°F
NE
16 mph
16 mph
