S
M
T
W
T
F
S
26
55°
43°
27
61°
44°
28
66°
39°
29
60°
38°
30
63°
43°
1
64°
41°
2
61°
39°
3
65°
45°
4
68°
47°
5
69°
46°
6
70°
48°
7
70°
50°
8
71°
49°
9
71°
47°
10
62°
45°
11
60°
44°
12
62°
49°
13
69°
48°
14
64°
45°
15
67°
47°
16
72°
51°
17
74°
51°
18
71°
41°
19
71°
42°
20
65°
42°
21
67°
43°
22
66°
44°
23
67°
45°
24
64°
44°
25
67°
54°
26
76°
48°
27
72°
53°
28
69°
57°
29
77°
51°
30
81°
47°
31
69°
53°
1
74°
48°
2
76°
54°
3
80°
57°
4
80°
48°
5
77°
47°
6
69°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mount Horeb
Mount Horeb's May 2026 forecast shows daily high temperatures ranging from 55° to 81°, with overnight lows between 38° and 57°. The average high for May is 69° with an average low of 47°. 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 Mount Horeb. See also: June | July | August.