S
M
T
W
T
F
S
26
81°
65°
27
79°
60°
28
80°
62°
29
82°
63°
30
81°
59°
31
80°
57°
1
79°
58°
2
78°
57°
3
79°
58°
4
78°
57°
5
78°
58°
6
79°
58°
7
79°
59°
8
80°
64°
9
82°
63°
10
84°
62°
11
83°
57°
12
83°
65°
13
86°
57°
14
80°
56°
15
78°
59°
16
78°
61°
17
80°
57°
18
77°
55°
19
76°
56°
20
76°
54°
21
77°
55°
22
75°
54°
23
75°
55°
24
76°
54°
25
77°
61°
26
77°
62°
27
82°
63°
28
84°
58°
29
84°
53°
30
76°
54°
31
76°
57°
1
75°
59°
2
74°
52°
3
74°
50°
4
73°
58°
5
73°
60°
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 73° to 86°, with overnight lows between 50° and 65°. The average high for August is 79° 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 Galena. See also: September | October | November.
