S
M
T
W
T
F
S
26
75°
47°
27
74°
48°
28
60°
46°
29
60°
37°
30
56°
34°
1
56°
36°
2
63°
30°
3
76°
47°
4
83°
44°
5
61°
37°
6
57°
35°
7
65°
42°
8
71°
45°
9
77°
42°
10
61°
37°
11
64°
44°
12
72°
50°
13
77°
49°
14
72°
49°
15
74°
50°
16
69°
48°
17
70°
49°
18
71°
48°
19
74°
50°
20
71°
51°
21
67°
44°
22
64°
43°
23
66°
44°
24
66°
44°
25
65°
45°
26
66°
46°
27
66°
46°
28
68°
47°
29
69°
53°
30
72°
56°
31
71°
52°
1
72°
51°
2
75°
56°
3
75°
57°
4
77°
57°
5
78°
59°
6
76°
60°
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 57° to 78°, with overnight lows between 35° and 60°. The average high for May is 70° with an average low of 48°. 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.
