S
M
T
W
T
F
S
26
80°
63°
27
78°
60°
28
80°
59°
29
74°
55°
30
76°
58°
1
74°
60°
2
80°
59°
3
75°
62°
4
80°
63°
5
77°
59°
6
79°
60°
7
83°
65°
8
82°
65°
9
82°
62°
10
83°
66°
11
85°
67°
12
85°
67°
13
84°
64°
14
78°
65°
15
82°
67°
16
84°
67°
17
85°
68°
18
86°
68°
19
81°
66°
20
80°
62°
21
80°
62°
22
85°
64°
23
87°
69°
24
88°
70°
25
87°
70°
26
82°
69°
27
82°
71°
28
85°
71°
29
87°
70°
30
84°
71°
31
84°
68°
1
86°
71°
2
88°
67°
3
87°
66°
4
85°
68°
5
87°
67°
6
91°
68°
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 74° to 91°, with overnight lows between 55° and 71°. The average high for May is 83° with an average low of 65°. 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.
