S
M
T
W
T
F
S
26
64°
48°
27
70°
44°
28
62°
52°
29
58°
45°
30
57°
42°
1
51°
35°
2
51°
28°
3
61°
34°
4
77°
46°
5
57°
43°
6
56°
43°
7
57°
42°
8
63°
46°
9
68°
46°
10
61°
39°
11
60°
37°
12
57°
46°
13
62°
42°
14
65°
47°
15
66°
48°
16
69°
50°
17
72°
54°
18
73°
55°
19
72°
54°
20
73°
49°
21
64°
45°
22
64°
45°
23
66°
47°
24
66°
49°
25
67°
49°
26
67°
48°
27
70°
47°
28
70°
50°
29
74°
53°
30
75°
54°
31
77°
57°
1
76°
56°
2
72°
52°
3
78°
58°
4
79°
59°
5
79°
60°
6
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Garrett
Garrett's May 2026 forecast shows daily high temperatures ranging from 57° to 79°, with overnight lows between 37° and 60°. The average high for May is 69° 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 Garrett. See also: June | July | August.