30.08
sun
sun
Day
55°F
S 1 mph
Precip.
45%
45%
Night
50°F
NW 5 mph
Precip.
34%
34%
31.08
mon
mon
Day
50°F
N 6 mph
Precip.
86%
86%
Night
48°F
NW 4 mph
Precip.
57%
57%
01.09
tue
tue
Day
57°F
SW 4 mph
Precip.
13%
13%
Night
50°F
SW 4 mph
Precip.
6%
6%
02.09
wed
wed
Day
64°F
SE 6 mph
Precip.
1%
1%
Night
50°F
SW 6 mph
Precip.
8%
8%
03.09
thu
thu
Day
61°F
E 4 mph
Precip.
13%
13%
Night
52°F
NE 2 mph
Precip.
23%
23%
04.09
fri
fri
Day
63°F
E 4 mph
Precip.
2%
2%
Night
50°F
S 2 mph
Precip.
13%
13%
05.09
sat
sat
Day
55°F
NE 3 mph
Precip.
45%
45%
Night
54°F
NE 2 mph
Precip.
43%
43%
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 56.5°F. The highest and lowest sea temperatures during the month were 58.5°F and 54.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 54.8°F. The highest and lowest sea temperatures during the month were 57.4°F and 52.7°F.
Air temperature in Sitka, °F
Precipitation total in Sitka, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Sitka
Sitka on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Sitka
Local time: 00:05
August 30, sunday
0300
52°F
NW
2 mph
2 mph
0600
50°F
W
3 mph
3 mph
0900
55°F
NW
1 mph
1 mph
1200
55°F
S
1 mph
1 mph
1500
57°F
NE
4 mph
4 mph
1800
55°F
N
4 mph
4 mph
2100
52°F
N
3 mph
3 mph
August 31, monday
0000
50°F
NW
5 mph
5 mph
