S
M
T
W
T
F
S
26
84°
70°
27
81°
70°
28
80°
64°
29
82°
63°
30
80°
64°
1
93°
74°
2
79°
66°
3
78°
65°
4
84°
68°
5
83°
68°
6
82°
65°
7
82°
69°
8
84°
69°
9
84°
68°
10
86°
70°
11
85°
70°
12
84°
69°
13
86°
70°
14
85°
70°
15
84°
69°
16
84°
70°
17
85°
71°
18
86°
71°
19
87°
70°
20
84°
66°
21
84°
66°
22
86°
67°
23
88°
72°
24
87°
73°
25
84°
72°
26
83°
72°
27
85°
73°
28
86°
73°
29
87°
74°
30
86°
74°
31
88°
73°
1
89°
72°
2
88°
72°
3
89°
70°
4
90°
71°
5
89°
70°
6
90°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in George Bush Intercontinental Houston Airport
George Bush Intercontinental Houston Airport's May 2026 forecast shows daily high temperatures ranging from 78° to 93°, with overnight lows between 63° and 74°. The average high for May is 85° with an average low of 70°. 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 George Bush Intercontinental Houston Airport. See also: June | July | August.
