S
M
T
W
T
F
S
26
86°
76°
27
88°
76°
28
88°
75°
29
88°
77°
30
87°
76°
31
86°
76°
1
85°
77°
2
87°
76°
3
88°
77°
4
89°
74°
5
87°
73°
6
84°
75°
7
85°
75°
8
87°
74°
9
86°
75°
10
86°
75°
11
87°
77°
12
89°
76°
13
88°
76°
14
89°
77°
15
89°
77°
16
88°
75°
17
89°
75°
18
86°
74°
19
85°
76°
20
88°
75°
21
88°
75°
22
86°
74°
23
87°
73°
24
86°
74°
25
88°
73°
26
87°
74°
27
88°
71°
28
86°
71°
29
83°
72°
30
83°
72°
31
84°
73°
1
85°
73°
2
86°
75°
3
87°
75°
4
87°
74°
5
86°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Frisco
Frisco's August 2026 forecast shows daily high temperatures ranging from 83° to 89°, with overnight lows between 71° and 77°. The average high for August is 87° with an average low of 75°. 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 Frisco. See also: September | October | November.
