S
M
T
W
T
F
S
26
84°
68°
27
92°
74°
28
85°
68°
29
68°
60°
30
63°
57°
1
66°
53°
2
76°
52°
3
81°
54°
4
83°
63°
5
89°
59°
6
68°
52°
7
75°
51°
8
76°
60°
9
88°
67°
10
79°
62°
11
78°
56°
12
83°
58°
13
90°
62°
14
89°
68°
15
89°
71°
16
N/A
17
87°
77°
18
90°
76°
19
82°
67°
20
74°
66°
21
75°
63°
22
77°
64°
23
81°
66°
24
82°
65°
25
83°
67°
26
82°
66°
27
80°
65°
28
81°
66°
29
82°
67°
30
86°
66°
31
84°
70°
1
85°
70°
2
84°
68°
3
83°
66°
4
82°
63°
5
83°
65°
6
83°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Keller
Keller's May 2026 forecast shows daily high temperatures ranging from 74° to 90°, with overnight lows between 63° and 77°. The average high for May is 82° with an average low of 67°. 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 Keller. See also: June | July | August.
