S
M
T
W
T
F
S
26
86°
63°
27
84°
66°
28
72°
64°
29
73°
57°
30
66°
50°
1
66°
47°
2
66°
46°
3
74°
58°
4
82°
60°
5
73°
53°
6
65°
48°
7
68°
48°
8
71°
55°
9
74°
56°
10
77°
58°
11
79°
61°
12
78°
59°
13
79°
58°
14
78°
56°
15
76°
63°
16
80°
62°
17
81°
64°
18
82°
64°
19
81°
65°
20
82°
65°
21
82°
64°
22
81°
65°
23
78°
63°
24
78°
65°
25
82°
66°
26
80°
65°
27
77°
59°
28
78°
63°
29
80°
60°
30
79°
63°
31
85°
67°
1
82°
67°
2
86°
68°
3
86°
68°
4
81°
63°
5
79°
61°
6
79°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Halliday
Halliday's May 2026 forecast shows daily high temperatures ranging from 65° to 86°, with overnight lows between 46° and 68°. The average high for May is 78° with an average low of 60°. 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 Halliday. See also: June | July | August.