S
M
T
W
T
F
S
26
84°
60°
27
90°
68°
28
87°
62°
29
76°
56°
30
69°
52°
1
74°
50°
2
71°
44°
3
84°
61°
4
81°
66°
5
81°
59°
6
66°
42°
7
71°
48°
8
82°
57°
9
83°
61°
10
80°
57°
11
77°
53°
12
82°
62°
13
83°
61°
14
83°
59°
15
80°
56°
16
79°
61°
17
75°
60°
18
75°
61°
19
80°
62°
20
80°
61°
21
82°
54°
22
75°
53°
23
76°
56°
24
75°
57°
25
75°
55°
26
76°
54°
27
76°
56°
28
77°
56°
29
78°
60°
30
79°
63°
31
78°
64°
1
79°
63°
2
80°
60°
3
78°
65°
4
82°
65°
5
79°
66°
6
79°
66°
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 66° to 84°, with overnight lows between 42° and 66°. The average high for May is 78° with an average low of 58°. 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.