S
M
T
W
T
F
S
28
87°
68°
29
89°
75°
30
91°
74°
1
92°
72°
2
91°
73°
3
87°
72°
4
88°
69°
5
84°
68°
6
82°
65°
7
83°
65°
8
84°
64°
9
84°
63°
10
85°
64°
11
87°
63°
12
85°
62°
13
86°
63°
14
84°
62°
15
79°
59°
16
80°
61°
17
79°
59°
18
80°
64°
19
80°
66°
20
82°
66°
21
86°
65°
22
86°
66°
23
85°
67°
24
86°
66°
25
86°
66°
26
85°
67°
27
87°
67°
28
87°
68°
29
88°
67°
30
86°
66°
31
86°
66°
1
82°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Altona
Altona's July 2026 forecast shows daily high temperatures ranging from 79° to 92°, with overnight lows between 59° and 73°. The average high for July is 85° with an average low of 65°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Altona. See also: August | September | October.