S
M
T
W
T
F
S
26
68°
56°
27
72°
51°
28
61°
42°
29
63°
39°
30
65°
43°
1
69°
39°
2
69°
43°
3
86°
47°
4
85°
62°
5
66°
45°
6
59°
44°
7
77°
43°
8
76°
55°
9
88°
52°
10
72°
54°
11
81°
48°
12
90°
55°
13
81°
60°
14
90°
57°
15
91°
65°
16
95°
62°
17
91°
71°
18
92°
53°
19
66°
47°
20
70°
53°
21
64°
57°
22
72°
54°
23
76°
55°
24
80°
59°
25
81°
61°
26
85°
64°
27
83°
62°
28
79°
62°
29
82°
63°
30
81°
63°
31
82°
60°
1
83°
59°
2
83°
63°
3
78°
58°
4
78°
60°
5
82°
65°
6
85°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Halstead
Halstead's May 2026 forecast shows daily high temperatures ranging from 64° to 85°, with overnight lows between 47° and 65°. The average high for May is 78° with an average low of 59°. 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 Halstead. See also: June | July | August.