20.09
sun
sun
Day
79°F
NE 9 mph
Precip.
17%
17%
Night
70°F
S 3 mph
Precip.
44%
44%
21.09
mon
mon
Day
70°F
SW 7 mph
Precip.
47%
47%
Night
63°F
SW 7 mph
Precip.
65%
65%
22.09
tue
tue
Day
61°F
SW 9 mph
Precip.
56%
56%
Night
57°F
SW 11 mph
Precip.
33%
33%
23.09
wed
wed
Day
54°F
S 9 mph
Precip.
41%
41%
Night
57°F
SW 6 mph
Precip.
22%
22%
24.09
thu
thu
Day
63°F
SW 8 mph
Precip.
10%
10%
Night
61°F
S 6 mph
Precip.
12%
12%
25.09
fri
fri
Day
66°F
SW 9 mph
Precip.
3%
3%
Night
59°F
NW 7 mph
Precip.
3%
3%
26.09
sat
sat
Day
68°F
SW 9 mph
Precip.
1%
1%
Night
59°F
SW 5 mph
Precip.
5%
5%
sea water
temperature
temperature
| Washington |
monthly
weather
weather
| Washington |
current
weather
weather
| Washington |
14 days
forecast
forecast
| Washington |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 81.0°F. The highest and lowest sea temperatures during the month were 83.7°F and 77.7°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 66.7°F. The highest and lowest sea temperatures during the month were 73.8°F and 58.6°F.
Air temperature in Washington, °F
Precipitation total in Washington, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Washington
Washington on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Washington
Local time: 01:26
September 20, sunday
0300
70°F
N
7 mph
7 mph
0600
70°F
N
8 mph
8 mph
0900
72°F
N
9 mph
9 mph
1200
79°F
NE
9 mph
9 mph
1500
77°F
SE
4 mph
4 mph
1800
77°F
S
1 mph
1 mph
2100
73°F
W
2 mph
2 mph
September 21, monday
0000
70°F
S
3 mph
3 mph
