S
M
T
W
T
F
S
26
80°
54°
27
83°
61°
28
67°
53°
29
66°
48°
30
65°
39°
1
64°
41°
2
64°
39°
3
75°
38°
4
79°
58°
5
65°
43°
6
60°
43°
7
66°
37°
8
75°
46°
9
81°
50°
10
72°
54°
11
74°
44°
12
77°
47°
13
76°
50°
14
74°
42°
15
81°
55°
16
84°
68°
17
82°
65°
18
84°
72°
19
73°
63°
20
63°
57°
21
73°
53°
22
66°
60°
23
76°
61°
24
79°
59°
25
78°
56°
26
74°
59°
27
83°
62°
28
79°
68°
29
78°
66°
30
82°
68°
31
87°
67°
1
86°
66°
2
82°
60°
3
79°
53°
4
81°
54°
5
81°
65°
6
76°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Houston
Houston's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 Houston. See also: June | July | August.
