S
M
T
W
T
F
S
26
89°
62°
27
73°
64°
28
85°
62°
29
95°
65°
30
91°
69°
1
87°
67°
2
70°
58°
3
75°
52°
4
80°
49°
5
83°
54°
6
95°
59°
7
89°
66°
8
83°
68°
9
81°
67°
10
84°
69°
11
93°
68°
12
77°
70°
13
83°
68°
14
90°
61°
15
80°
54°
16
88°
63°
17
90°
75°
18
86°
65°
19
88°
68°
20
88°
65°
21
91°
67°
22
92°
75°
23
92°
74°
24
95°
71°
25
91°
74°
26
92°
75°
27
93°
77°
28
88°
70°
29
86°
70°
30
85°
69°
31
84°
70°
1
85°
68°
2
83°
68°
3
83°
68°
4
82°
67°
5
85°
66°
6
88°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Callahan-Hilliard
Callahan-Hilliard's May 2026 forecast shows daily high temperatures ranging from 82° to 88°, with overnight lows between 66° and 70°. The average high for May is 85° with an average low of 68°. 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 Callahan-Hilliard. See also: June | July | August.
