S
M
T
W
T
F
S
26
86°
61°
27
89°
64°
28
79°
68°
29
84°
64°
30
73°
58°
1
66°
55°
2
73°
50°
3
75°
42°
4
82°
48°
5
79°
57°
6
83°
58°
7
73°
56°
8
71°
52°
9
76°
60°
10
83°
59°
11
79°
62°
12
83°
54°
13
85°
55°
14
79°
53°
15
84°
50°
16
85°
62°
17
86°
86°
18
91°
67°
19
92°
71°
20
82°
67°
21
81°
70°
22
75°
68°
23
80°
69°
24
82°
70°
25
81°
65°
26
81°
66°
27
83°
65°
28
81°
64°
29
82°
64°
30
85°
64°
31
84°
66°
1
86°
64°
2
85°
61°
3
82°
64°
4
81°
63°
5
83°
65°
6
86°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mansfield
Mansfield's May 2026 forecast shows daily high temperatures ranging from 75° to 86°, with overnight lows between 61° and 70°. The average high for May is 82° with an average low of 66°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Mansfield. See also: June | July | August.