S
M
T
W
T
F
S
26
52°
29°
27
53°
31°
28
59°
28°
29
63°
34°
30
65°
28°
1
71°
27°
2
74°
35°
3
76°
40°
4
77°
40°
5
65°
40°
6
78°
33°
7
76°
49°
8
73°
38°
9
72°
41°
10
82°
36°
11
82°
43°
12
86°
37°
13
85°
50°
14
73°
46°
15
68°
43°
16
53°
34°
17
53°
28°
18
59°
33°
19
64°
26°
20
56°
28°
21
44°
31°
22
48°
36°
23
60°
41°
24
61°
39°
25
68°
41°
26
58°
37°
27
57°
34°
28
62°
36°
29
66°
35°
30
64°
36°
31
63°
37°
1
65°
36°
2
58°
32°
3
52°
28°
4
57°
33°
5
56°
33°
6
51°
27°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Forney
Forney's May 2026 forecast shows daily high temperatures ranging from 44° to 68°, with overnight lows between 27° and 41°. The average high for May is 58° with an average low of 34°. 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 Forney. See also: June | July | August.