S
M
T
W
T
F
S
26
64°
54°
27
64°
51°
28
63°
53°
29
67°
46°
30
66°
51°
31
68°
48°
1
65°
45°
2
62°
46°
3
66°
50°
4
70°
45°
5
64°
50°
6
68°
48°
7
69°
45°
8
68°
48°
9
68°
50°
10
60°
50°
11
60°
49°
12
61°
48°
13
60°
46°
14
60°
45°
15
59°
43°
16
59°
44°
17
61°
49°
18
61°
49°
19
59°
48°
20
62°
48°
21
57°
41°
22
58°
43°
23
63°
48°
24
64°
46°
25
60°
48°
26
62°
49°
27
63°
48°
28
64°
47°
29
63°
48°
30
64°
47°
31
63°
46°
1
64°
45°
2
63°
34°
3
56°
39°
4
56°
41°
5
52°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Galena
Galena's August 2026 forecast shows daily high temperatures ranging from 52° to 70°, with overnight lows between 34° and 54°. The average high for August is 63° with an average low of 47°. 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 Galena. See also: September | October | November.
