Current sea water temperature:
+81.3°F
| Minimum sea water temperature in September: | 85.5°F |
| Maximum sea water temperature in September: | 66.7°F |
| Average sea water temperature in September: | 75.0°F |
| more information | |
14 days
forecast
forecast
| Washington |
monthly
weather
weather
| Washington |
Sea water temperature for the last 10 days:
| September 14 | 81.3°F | September 9 | 81.0°F |
| September 13 | 80.6°F | September 8 | 81.7°F |
| September 12 | 81.1°F | September 7 | 82.4°F |
| September 11 | 80.1°F | September 6 | 82.9°F |
| September 10 | 81.3°F | September 5 | 81.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Washington?
Based on the data about daily sea water temperature for the last three years the warmest sea in Washington was noticed in July, August and June.
Monthly Sea Temperatures in Washington, °F
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 83.5°F. The highest and lowest sea temperatures during the month were 88.0°F and 79.3°F.
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 82.8°F. The highest and lowest sea temperatures during the month were 85.5°F and 80.1°F.
Sea water temperature in June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 77.6°F. The highest and lowest sea temperatures during the month were 83.8°F and 70.0°F.
current
weather
weather
| Washington |
weather in
September
September
| Washington |
Best time for vacation in Washington
Washington on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Washington
Local time: 16:40
September 14, monday
1800
75°F
S
9 mph
9 mph
2100
68°F
SW
6 mph
6 mph
September 15, tuesday
0000
64°F
SW
6 mph
6 mph
0300
61°F
SW
5 mph
5 mph
0600
59°F
S
2 mph
2 mph
0900
64°F
W
4 mph
4 mph
1200
73°F
NW
6 mph
6 mph
1500
79°F
NW
7 mph
7 mph
