S
M
T
W
T
F
S
26
86°
68°
27
86°
68°
28
84°
67°
29
84°
66°
30
83°
61°
31
80°
60°
1
79°
61°
2
79°
61°
3
83°
65°
4
85°
64°
5
86°
67°
6
85°
67°
7
82°
65°
8
81°
61°
9
81°
60°
10
82°
60°
11
84°
65°
12
86°
67°
13
87°
66°
14
88°
67°
15
87°
66°
16
88°
67°
17
88°
59°
18
83°
57°
19
80°
56°
20
79°
56°
21
79°
57°
22
80°
57°
23
80°
58°
24
81°
57°
25
84°
58°
26
86°
60°
27
86°
57°
28
82°
56°
29
79°
55°
30
79°
55°
31
81°
59°
1
83°
54°
2
79°
55°
3
78°
61°
4
84°
62°
5
84°
62°
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 78° to 88°, with overnight lows between 54° and 68°. The average high for August is 83° with an average low of 61°. 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.
