S
M
T
W
T
F
S
26
69°
50°
27
61°
40°
28
67°
39°
29
67°
51°
30
65°
48°
31
73°
49°
1
75°
53°
2
61°
55°
3
63°
56°
4
67°
55°
5
68°
56°
6
59°
53°
7
62°
52°
8
60°
52°
9
70°
46°
10
73°
51°
11
75°
55°
12
74°
56°
13
74°
56°
14
79°
57°
15
81°
60°
16
78°
57°
17
75°
54°
18
72°
52°
19
66°
51°
20
69°
49°
21
64°
49°
22
62°
47°
23
60°
46°
24
53°
44°
25
55°
44°
26
55°
48°
27
57°
46°
28
62°
44°
29
64°
47°
30
64°
47°
31
63°
46°
1
63°
46°
2
62°
45°
3
62°
44°
4
61°
43°
5
60°
43°
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 53° to 81°, with overnight lows between 43° and 60°. The average high for August is 66° 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 Galena. See also: September | October | November.
