S
M
T
W
T
F
S
26
86°
67°
27
88°
67°
28
89°
66°
29
88°
66°
30
88°
65°
31
85°
65°
1
83°
64°
2
87°
67°
3
89°
67°
4
90°
66°
5
90°
67°
6
89°
67°
7
85°
60°
8
86°
63°
9
85°
58°
10
83°
57°
11
81°
58°
12
82°
59°
13
82°
58°
14
83°
59°
15
81°
59°
16
83°
62°
17
82°
60°
18
83°
60°
19
82°
59°
20
81°
61°
21
81°
61°
22
83°
57°
23
84°
62°
24
87°
63°
25
88°
63°
26
89°
62°
27
89°
56°
28
87°
56°
29
82°
60°
30
81°
58°
31
80°
55°
1
81°
54°
2
80°
54°
3
79°
52°
4
79°
52°
5
80°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mansfield
Mansfield's August 2026 forecast shows daily high temperatures ranging from 79° to 90°, with overnight lows between 52° and 67°. The average high for August is 84° with an average low of 61°. 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 Mansfield. See also: September | October | November.