S
M
T
W
T
F
S
26
61°
53°
27
58°
49°
28
58°
49°
29
63°
48°
30
65°
49°
31
64°
50°
1
62°
48°
2
61°
48°
3
63°
50°
4
64°
48°
5
65°
52°
6
64°
50°
7
61°
51°
8
60°
48°
9
60°
46°
10
62°
50°
11
60°
51°
12
60°
50°
13
61°
50°
14
63°
49°
15
60°
50°
16
60°
50°
17
61°
49°
18
65°
51°
19
64°
50°
20
59°
49°
21
60°
47°
22
61°
49°
23
58°
48°
24
58°
48°
25
60°
47°
26
63°
46°
27
64°
47°
28
64°
48°
29
63°
48°
30
60°
47°
31
63°
46°
1
62°
48°
2
61°
47°
3
56°
47°
4
59°
43°
5
56°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Port Nikiski
Port Nikiski's August 2026 forecast shows daily high temperatures ranging from 56° to 65°, with overnight lows between 43° and 53°. The average high for August is 61° with an average low of 49°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Port Nikiski. See also: September | October | November.
