S
M
T
W
T
F
S
26
70°
59°
27
75°
57°
28
81°
64°
29
84°
63°
30
73°
59°
31
73°
48°
1
73°
52°
2
77°
54°
3
82°
59°
4
82°
61°
5
73°
57°
6
68°
54°
7
73°
50°
8
79°
52°
9
82°
61°
10
75°
55°
11
81°
54°
12
90°
55°
13
96°
64°
14
85°
59°
15
76°
54°
16
70°
53°
17
72°
60°
18
71°
56°
19
71°
54°
20
68°
54°
21
67°
52°
22
66°
51°
23
67°
52°
24
66°
52°
25
67°
53°
26
64°
52°
27
65°
50°
28
64°
51°
29
67°
55°
30
65°
52°
31
66°
55°
1
67°
52°
2
64°
50°
3
64°
50°
4
67°
56°
5
68°
55°
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 64° to 96°, with overnight lows between 50° and 64°. The average high for August is 69° 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.