S
M
T
W
T
F
S
26
81°
54°
27
81°
63°
28
73°
63°
29
79°
57°
30
64°
52°
1
67°
50°
2
68°
43°
3
70°
45°
4
77°
51°
5
79°
63°
6
73°
53°
7
67°
44°
8
71°
49°
9
73°
55°
10
75°
56°
11
77°
56°
12
80°
57°
13
79°
55°
14
80°
56°
15
80°
61°
16
81°
60°
17
82°
61°
18
82°
61°
19
81°
60°
20
82°
62°
21
83°
62°
22
83°
61°
23
82°
62°
24
77°
62°
25
80°
63°
26
81°
63°
27
79°
62°
28
78°
58°
29
82°
63°
30
81°
60°
31
81°
62°
1
84°
64°
2
85°
64°
3
85°
65°
4
86°
64°
5
80°
64°
6
79°
61°
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 67° to 86°, with overnight lows between 43° and 65°. The average high for May is 79° 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 Addison. See also: June | July | August.
