S
M
T
W
T
F
S
26
77°
65°
27
84°
58°
28
78°
62°
29
78°
60°
30
79°
62°
1
78°
57°
2
73°
60°
3
79°
59°
4
78°
62°
5
74°
58°
6
75°
59°
7
82°
65°
8
80°
65°
9
81°
60°
10
81°
66°
11
84°
67°
12
84°
66°
13
83°
59°
14
77°
62°
15
80°
67°
16
83°
67°
17
84°
68°
18
83°
67°
19
79°
62°
20
79°
61°
21
80°
61°
22
84°
63°
23
87°
69°
24
88°
70°
25
88°
70°
26
80°
69°
27
82°
70°
28
83°
71°
29
85°
71°
30
83°
69°
31
84°
68°
1
86°
71°
2
90°
65°
3
86°
66°
4
84°
65°
5
86°
66°
6
91°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Addison
Addison's May 2026 forecast shows daily high temperatures ranging from 73° to 91°, with overnight lows between 57° and 71°. The average high for May is 82° with an average low of 65°. 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 Addison. See also: June | July | August.
