S
M
T
W
T
F
S
26
93°
76°
27
95°
78°
28
96°
76°
29
94°
75°
30
95°
72°
31
93°
75°
1
83°
71°
2
86°
69°
3
86°
71°
4
90°
69°
5
89°
70°
6
90°
71°
7
92°
72°
8
91°
70°
9
90°
72°
10
93°
72°
11
92°
71°
12
89°
72°
13
91°
73°
14
89°
71°
15
89°
68°
16
88°
67°
17
89°
68°
18
90°
69°
19
93°
70°
20
89°
68°
21
90°
69°
22
92°
72°
23
93°
72°
24
93°
71°
25
92°
71°
26
90°
67°
27
88°
66°
28
90°
67°
29
92°
71°
30
92°
71°
31
91°
70°
1
85°
71°
2
86°
70°
3
87°
67°
4
87°
67°
5
88°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Sylvan
Sylvan's August 2026 forecast shows daily high temperatures ranging from 83° to 95°, with overnight lows between 66° and 75°. The average high for August is 90° with an average low of 70°. 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 Sylvan. See also: September | October | November.
