S
M
T
W
T
F
S
26
70°
42°
27
72°
53°
28
65°
49°
29
52°
35°
30
55°
32°
1
53°
32°
2
63°
30°
3
72°
45°
4
80°
42°
5
59°
35°
6
55°
31°
7
63°
28°
8
71°
29°
9
69°
41°
10
65°
32°
11
63°
31°
12
78°
43°
13
65°
39°
14
73°
34°
15
83°
54°
16
84°
60°
17
70°
56°
18
80°
60°
19
65°
47°
20
62°
45°
21
59°
47°
22
59°
49°
23
66°
53°
24
73°
54°
25
73°
53°
26
74°
55°
27
77°
54°
28
78°
56°
29
78°
57°
30
75°
58°
31
77°
58°
1
74°
52°
2
76°
56°
3
69°
51°
4
69°
51°
5
72°
57°
6
76°
59°
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 59° to 78°, with overnight lows between 45° and 59°. The average high for May is 71° with an average low of 53°. 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.