S
M
T
W
T
F
S
26
84°
59°
27
83°
59°
28
79°
58°
29
75°
57°
30
75°
57°
31
78°
56°
1
82°
58°
2
83°
59°
3
76°
50°
4
76°
50°
5
80°
51°
6
83°
54°
7
76°
53°
8
77°
51°
9
76°
59°
10
83°
61°
11
85°
60°
12
86°
62°
13
86°
60°
14
84°
61°
15
85°
56°
16
84°
50°
17
83°
54°
18
79°
57°
19
75°
52°
20
74°
55°
21
73°
47°
22
73°
46°
23
74°
49°
24
75°
51°
25
79°
55°
26
81°
56°
27
82°
57°
28
83°
58°
29
83°
58°
30
82°
57°
31
82°
55°
1
81°
54°
2
80°
51°
3
78°
51°
4
76°
53°
5
72°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fortson
Fortson's August 2026 forecast shows daily high temperatures ranging from 72° to 86°, with overnight lows between 45° and 62°. The average high for August is 80° with an average low of 55°. 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 Fortson. See also: September | October | November.