S
M
T
W
T
F
S
26
69°
53°
27
69°
56°
28
74°
51°
29
76°
52°
30
75°
55°
1
77°
58°
2
74°
56°
3
66°
57°
4
70°
54°
5
69°
55°
6
75°
53°
7
78°
55°
8
76°
59°
9
78°
60°
10
79°
59°
11
84°
57°
12
71°
58°
13
74°
60°
14
75°
55°
15
72°
57°
16
74°
61°
17
73°
60°
18
78°
59°
19
79°
58°
20
77°
60°
21
78°
60°
22
72°
62°
23
73°
61°
24
72°
60°
25
71°
61°
26
73°
60°
27
72°
61°
28
75°
60°
29
77°
62°
30
74°
60°
31
76°
62°
1
78°
63°
2
78°
63°
3
77°
62°
4
78°
63°
5
78°
63°
6
77°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Downtown
Downtown's May 2026 forecast shows daily high temperatures ranging from 71° to 79°, with overnight lows between 58° and 63°. The average high for May is 76° with an average low of 61°. 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 Downtown. See also: June | July | August.