S
M
T
W
T
F
S
26
67°
41°
27
69°
44°
28
61°
48°
29
52°
41°
30
55°
37°
1
48°
35°
2
52°
30°
3
64°
37°
4
77°
46°
5
63°
45°
6
56°
37°
7
56°
35°
8
65°
33°
9
68°
47°
10
61°
33°
11
60°
36°
12
65°
32°
13
54°
43°
14
67°
43°
15
71°
39°
16
81°
53°
17
86°
59°
18
85°
67°
19
81°
59°
20
64°
46°
21
62°
43°
22
71°
42°
23
61°
51°
24
64°
51°
25
81°
49°
26
83°
59°
27
83°
52°
28
72°
47°
29
79°
51°
30
70°
46°
31
75°
49°
1
76°
49°
2
79°
52°
3
80°
56°
4
78°
54°
5
78°
59°
6
80°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Muir
Muir's May 2026 forecast shows daily high temperatures ranging from 70° to 83°, with overnight lows between 46° and 60°. The average high for May is 77° with an average low of 52°. 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 Muir. See also: June | July | August.