S
M
T
W
T
F
S
26
89°
66°
27
89°
67°
28
88°
66°
29
87°
65°
30
86°
65°
31
82°
63°
1
83°
64°
2
85°
65°
3
87°
64°
4
83°
60°
5
83°
60°
6
84°
61°
7
86°
64°
8
79°
63°
9
83°
63°
10
84°
62°
11
85°
63°
12
86°
63°
13
86°
64°
14
87°
64°
15
81°
63°
16
79°
63°
17
79°
62°
18
82°
62°
19
85°
63°
20
85°
63°
21
76°
51°
22
76°
53°
23
77°
52°
24
76°
57°
25
78°
61°
26
80°
60°
27
80°
62°
28
86°
61°
29
87°
52°
30
83°
52°
31
78°
58°
1
77°
55°
2
80°
59°
3
84°
61°
4
87°
57°
5
84°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Savanna
Savanna's August 2026 forecast shows daily high temperatures ranging from 76° to 89°, with overnight lows between 51° and 67°. 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 Savanna. See also: September | October | November.