S
M
T
W
T
F
S
26
85°
56°
27
84°
57°
28
76°
61°
29
77°
62°
30
80°
62°
31
82°
63°
1
77°
61°
2
76°
61°
3
71°
55°
4
78°
54°
5
78°
60°
6
79°
65°
7
81°
63°
8
81°
62°
9
79°
61°
10
78°
61°
11
76°
59°
12
73°
58°
13
74°
58°
14
73°
57°
15
71°
58°
16
70°
55°
17
77°
59°
18
71°
56°
19
70°
56°
20
73°
57°
21
70°
54°
22
71°
60°
23
76°
60°
24
73°
59°
25
72°
59°
26
76°
58°
27
75°
59°
28
69°
59°
29
75°
58°
30
76°
59°
31
76°
58°
1
69°
56°
2
67°
55°
3
67°
53°
4
68°
51°
5
71°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Altona
Altona's August 2026 forecast shows daily high temperatures ranging from 67° to 81°, with overnight lows between 51° and 65°. The average high for August is 74° with an average low of 58°. 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 Altona. See also: September | October | November.
