S
M
T
W
T
F
S
26
99°
73°
27
101°
68°
28
96°
67°
29
96°
70°
30
98°
71°
31
99°
73°
1
100°
72°
2
101°
73°
3
101°
69°
4
102°
68°
5
95°
67°
6
95°
68°
7
96°
68°
8
96°
69°
9
98°
72°
10
99°
73°
11
101°
74°
12
101°
74°
13
100°
73°
14
101°
72°
15
100°
73°
16
100°
72°
17
99°
73°
18
100°
72°
19
102°
70°
20
94°
65°
21
95°
71°
22
97°
70°
23
98°
71°
24
98°
70°
25
97°
70°
26
97°
69°
27
96°
70°
28
97°
70°
29
97°
69°
30
96°
70°
31
96°
70°
1
95°
69°
2
96°
68°
3
95°
68°
4
95°
67°
5
94°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Stephenville
Stephenville's August 2026 forecast shows daily high temperatures ranging from 94° to 102°, with overnight lows between 65° and 74°. The average high for August is 98° 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 Stephenville. See also: September | October | November.
