S
M
T
W
T
F
S
26
68°
38°
27
57°
41°
28
62°
47°
29
71°
40°
30
81°
44°
1
72°
48°
2
66°
47°
3
91°
50°
4
72°
52°
5
65°
52°
6
70°
54°
7
72°
52°
8
68°
47°
9
78°
47°
10
71°
50°
11
81°
48°
12
80°
52°
13
62°
51°
14
62°
49°
15
60°
43°
16
60°
44°
17
64°
41°
18
70°
45°
19
68°
49°
20
71°
51°
21
83°
50°
22
80°
51°
23
76°
52°
24
71°
52°
25
62°
45°
26
65°
49°
27
68°
47°
28
64°
46°
29
65°
47°
30
68°
49°
31
73°
52°
1
69°
49°
2
75°
54°
3
73°
53°
4
72°
51°
5
67°
47°
6
73°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Monitor
Monitor's May 2026 forecast shows daily high temperatures ranging from 62° to 83°, with overnight lows between 45° and 54°. The average high for May is 71° with an average low of 50°. 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 Monitor. See also: June | July | August.
