S
M
T
W
T
F
S
26
59°
42°
27
68°
47°
28
64°
50°
29
57°
40°
30
56°
37°
1
49°
36°
2
55°
44°
3
62°
48°
4
75°
49°
5
55°
42°
6
53°
38°
7
52°
40°
8
62°
46°
9
65°
44°
10
63°
45°
11
63°
47°
12
64°
48°
13
63°
45°
14
70°
48°
15
62°
45°
16
63°
44°
17
65°
53°
18
72°
53°
19
66°
52°
20
70°
54°
21
73°
53°
22
69°
54°
23
74°
50°
24
66°
48°
25
66°
50°
26
68°
56°
27
72°
54°
28
68°
52°
29
69°
49°
30
70°
48°
31
70°
48°
1
69°
54°
2
78°
53°
3
70°
52°
4
70°
50°
5
71°
50°
6
71°
51°
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 49° to 78°, with overnight lows between 36° and 56°. The average high for May is 66° with an average low of 48°. 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.
