S
M
T
W
T
F
S
26
80°
54°
27
86°
58°
28
89°
57°
29
86°
56°
30
90°
60°
31
89°
55°
1
84°
52°
2
86°
57°
3
89°
60°
4
90°
60°
5
89°
58°
6
89°
58°
7
88°
57°
8
89°
59°
9
89°
61°
10
79°
50°
11
77°
49°
12
78°
49°
13
80°
52°
14
81°
51°
15
80°
52°
16
82°
54°
17
86°
54°
18
86°
53°
19
89°
60°
20
91°
57°
21
90°
53°
22
89°
52°
23
84°
51°
24
81°
50°
25
84°
47°
26
86°
48°
27
87°
53°
28
87°
51°
29
85°
52°
30
80°
54°
31
85°
51°
1
81°
48°
2
78°
47°
3
74°
50°
4
76°
48°
5
81°
51°
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 74° to 91°, with overnight lows between 47° and 61°. The average high for August is 85° with an average low of 54°. 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.