Current sea water temperature:
+45.1°F
| Minimum sea water temperature in December: | 53.6°F |
| Maximum sea water temperature in December: | 41.2°F |
| Average sea water temperature in December: | 48.1°F |
| more information | |
14 days
forecast
forecast
| Westbrook |
monthly
weather
weather
| Westbrook |
Sea water temperature for the last 10 days:
| December 14 | 45.1°F | December 9 | 47.7°F |
| December 13 | 45.5°F | December 8 | 47.8°F |
| December 12 | 46.6°F | December 7 | 48.0°F |
| December 11 | 46.6°F | December 6 | 48.2°F |
| December 10 | 46.8°F | December 5 | 48.2°F |
Monthly sea water temperature, °F
When is the warmest sea in Westbrook?
Based on the data about daily sea water temperature for the last three years the warmest sea in Westbrook was noticed in August, July and September.
Monthly Sea Temperatures in Westbrook, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 71.7°F. The highest and lowest sea temperatures during the month were 73.8°F and 70.2°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 70.7°F. The highest and lowest sea temperatures during the month were 73.4°F and 64.6°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 69.7°F. The highest and lowest sea temperatures during the month were 71.2°F and 68.9°F.
current
weather
weather
| Westbrook |
weather in
December
December
| Westbrook |
Best time for vacation in Westbrook
Westbrook on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Westbrook
Local time: 01:48
December 15, monday
0300

14°F
SE
19 mph
19 mph
0600

12°F
SE
17 mph
17 mph
0900

16°F
SE
17 mph
17 mph
1200

25°F
SE
17 mph
17 mph
1500

28°F
E
16 mph
16 mph
1800

28°F
E
12 mph
12 mph
2100

28°F
E
12 mph
12 mph
December 16, tuesday
0000

27°F
E
13 mph
13 mph



























