S
M
T
W
T
F
S
26
84°
73°
27
86°
77°
28
86°
75°
29
84°
73°
30
90°
68°
1
68°
57°
2
75°
55°
3
78°
61°
4
80°
70°
5
84°
76°
6
84°
71°
7
76°
64°
8
77°
67°
9
82°
71°
10
83°
70°
11
84°
68°
12
84°
68°
13
84°
67°
14
83°
70°
15
84°
72°
16
85°
69°
17
81°
71°
18
81°
71°
19
82°
72°
20
83°
72°
21
84°
69°
22
83°
67°
23
82°
67°
24
82°
70°
25
83°
69°
26
83°
68°
27
84°
68°
28
83°
70°
29
83°
73°
30
84°
73°
31
83°
74°
1
85°
73°
2
86°
74°
3
86°
75°
4
87°
76°
5
84°
74°
6
84°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Kemah
Kemah's May 2026 forecast shows daily high temperatures ranging from 76° to 87°, with overnight lows between 61° and 76°. The average high for May is 83° 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 Kemah. See also: June | July | August.