S
M
T
W
T
F
S
26
86°
72°
27
91°
74°
28
88°
70°
29
76°
61°
30
66°
60°
1
60°
53°
2
78°
46°
3
81°
49°
4
82°
60°
5
86°
71°
6
76°
56°
7
72°
56°
8
76°
54°
9
93°
66°
10
88°
64°
11
80°
61°
12
84°
57°
13
90°
60°
14
90°
63°
15
84°
68°
16
89°
71°
17
88°
74°
18
92°
78°
19
90°
69°
20
82°
67°
21
82°
68°
22
85°
68°
23
85°
61°
24
89°
64°
25
89°
63°
26
89°
65°
27
82°
65°
28
90°
65°
29
93°
70°
30
91°
74°
31
91°
72°
1
93°
70°
2
91°
72°
3
90°
65°
4
86°
68°
5
84°
72°
6
87°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Waco
Waco's May 2026 forecast shows daily high temperatures ranging from 84° to 87°, with overnight lows between 72° and 73°. The average high for May is 86° with an average low of 73°. 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 Waco. See also: June | July | August.
