S
M
T
W
T
F
S
26
62°
45°
27
67°
45°
28
60°
45°
29
54°
43°
30
54°
36°
1
48°
34°
2
49°
27°
3
61°
34°
4
74°
44°
5
55°
43°
6
57°
37°
7
54°
38°
8
59°
44°
9
69°
47°
10
59°
37°
11
54°
37°
12
59°
47°
13
66°
48°
14
69°
47°
15
68°
48°
16
67°
45°
17
66°
48°
18
63°
47°
19
69°
52°
20
70°
52°
21
70°
47°
22
65°
43°
23
64°
43°
24
65°
44°
25
65°
46°
26
66°
45°
27
66°
45°
28
67°
46°
29
67°
46°
30
68°
53°
31
74°
52°
1
69°
49°
2
71°
52°
3
74°
57°
4
77°
57°
5
77°
56°
6
79°
59°
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 54° to 79°, with overnight lows between 37° and 59°. The average high for May is 66° with an average low of 47°. 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.
