S
M
T
W
T
F
S
26
93°
77°
27
95°
72°
28
95°
75°
29
90°
73°
30
88°
70°
31
90°
66°
1
86°
70°
2
81°
70°
3
86°
68°
4
88°
66°
5
91°
72°
6
93°
72°
7
93°
75°
8
91°
72°
9
90°
70°
10
93°
70°
11
95°
73°
12
95°
75°
13
97°
75°
14
99°
75°
15
99°
75°
16
100°
73°
17
99°
75°
18
90°
70°
19
93°
68°
20
97°
73°
21
93°
70°
22
95°
66°
23
91°
68°
24
91°
65°
25
91°
69°
26
89°
69°
27
92°
68°
28
91°
67°
29
93°
70°
30
94°
72°
31
93°
69°
1
95°
68°
2
90°
66°
3
90°
65°
4
91°
66°
5
92°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Savannah
Savannah's August 2026 forecast shows daily high temperatures ranging from 89° to 95°, with overnight lows between 65° and 72°. The average high for August is 92° with an average low of 68°. 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 Savannah. See also: September | October | November.