S
M
T
W
T
F
S
26
52°
37°
27
45°
39°
28
54°
36°
29
48°
25°
30
48°
25°
1
52°
30°
2
61°
39°
3
62°
48°
4
54°
30°
5
46°
32°
6
45°
29°
7
55°
39°
8
61°
36°
9
60°
37°
10
59°
41°
11
60°
40°
12
60°
41°
13
63°
42°
14
66°
42°
15
59°
41°
16
60°
42°
17
60°
47°
18
65°
48°
19
71°
48°
20
71°
49°
21
65°
41°
22
59°
40°
23
60°
39°
24
61°
40°
25
63°
42°
26
63°
45°
27
64°
44°
28
63°
42°
29
65°
47°
30
67°
43°
31
64°
46°
1
65°
47°
2
66°
46°
3
66°
50°
4
67°
49°
5
67°
45°
6
68°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Garrison
Garrison's May 2026 forecast shows daily high temperatures ranging from 45° to 71°, with overnight lows between 29° and 50°. The average high for May is 62° with an average low of 42°. 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 Garrison. See also: June | July | August.
