S
M
T
W
T
F
S
26
51°
34°
27
51°
39°
28
45°
32°
29
50°
31°
30
47°
29°
1
46°
39°
2
52°
37°
3
52°
40°
4
51°
40°
5
52°
37°
6
48°
37°
7
47°
37°
8
48°
37°
9
53°
36°
10
51°
36°
11
53°
34°
12
54°
41°
13
58°
35°
14
58°
32°
15
56°
40°
16
57°
37°
17
53°
44°
18
55°
40°
19
52°
38°
20
53°
38°
21
53°
40°
22
53°
35°
23
51°
37°
24
54°
30°
25
60°
34°
26
56°
45°
27
56°
44°
28
58°
41°
29
61°
38°
30
54°
42°
31
58°
43°
1
62°
41°
2
75°
48°
3
79°
45°
4
77°
46°
5
75°
45°
6
69°
47°
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.
