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°
45°
4
81°
45°
5
58°
36°
6
58°
38°
7
62°
39°
8
63°
40°
9
67°
43°
10
66°
46°
11
68°
45°
12
71°
47°
13
73°
48°
14
73°
46°
15
72°
46°
16
70°
47°
17
73°
52°
18
73°
52°
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 58° to 81°, with overnight lows between 36° 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.
