S
M
T
W
T
F
S
26
96°
73°
27
96°
74°
28
87°
70°
29
89°
67°
30
84°
70°
31
78°
61°
1
80°
61°
2
84°
62°
3
84°
65°
4
86°
65°
5
85°
66°
6
86°
66°
7
90°
68°
8
91°
66°
9
90°
64°
10
91°
66°
11
85°
62°
12
85°
63°
13
79°
59°
14
80°
63°
15
80°
66°
16
86°
67°
17
86°
65°
18
80°
61°
19
79°
61°
20
82°
65°
21
82°
64°
22
80°
59°
23
77°
59°
24
77°
56°
25
76°
55°
26
76°
56°
27
77°
59°
28
80°
63°
29
83°
62°
30
76°
63°
31
77°
63°
1
84°
61°
2
82°
57°
3
77°
62°
4
84°
62°
5
84°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Stuart
Stuart's August 2026 forecast shows daily high temperatures ranging from 76° to 91°, with overnight lows between 55° and 70°. The average high for August is 82° with an average low of 63°. 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 Stuart. See also: September | October | November.