S
M
T
W
T
F
S
26
96°
73°
27
96°
74°
28
89°
71°
29
89°
68°
30
84°
69°
31
78°
61°
1
80°
61°
2
84°
62°
3
84°
65°
4
86°
65°
5
85°
66°
6
86°
66°
7
87°
67°
8
91°
66°
9
91°
67°
10
84°
62°
11
85°
66°
12
85°
63°
13
79°
59°
14
79°
63°
15
84°
67°
16
85°
66°
17
81°
65°
18
79°
66°
19
80°
65°
20
81°
65°
21
82°
64°
22
86°
67°
23
87°
65°
24
84°
65°
25
85°
66°
26
87°
65°
27
86°
65°
28
85°
64°
29
79°
63°
30
77°
63°
31
77°
62°
1
75°
61°
2
75°
63°
3
77°
63°
4
82°
62°
5
82°
62°
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 75° to 91°, with overnight lows between 59° and 71°. The average high for August is 83° with an average low of 65°. 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.