S
M
T
W
T
F
S
26
84°
64°
27
86°
66°
28
85°
66°
29
86°
65°
30
87°
66°
31
84°
65°
1
79°
64°
2
78°
63°
3
79°
62°
4
78°
64°
5
78°
64°
6
79°
63°
7
79°
62°
8
81°
62°
9
82°
64°
10
82°
64°
11
83°
63°
12
84°
64°
13
83°
63°
14
86°
62°
15
87°
63°
16
85°
63°
17
80°
62°
18
80°
64°
19
81°
60°
20
80°
56°
21
79°
54°
22
77°
55°
23
78°
56°
24
78°
55°
25
79°
55°
26
78°
61°
27
80°
59°
28
81°
56°
29
77°
57°
30
80°
57°
31
78°
54°
1
75°
56°
2
77°
60°
3
76°
57°
4
76°
53°
5
77°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in New Mansfield
New Mansfield's August 2026 forecast shows daily high temperatures ranging from 75° to 87°, with overnight lows between 53° and 66°. The average high for August is 81° 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 New Mansfield. See also: September | October | November.