S
M
T
W
T
F
S
26
89°
72°
27
88°
75°
28
92°
73°
29
84°
65°
30
67°
59°
1
60°
51°
2
76°
48°
3
80°
54°
4
81°
64°
5
83°
72°
6
80°
53°
7
74°
50°
8
82°
60°
9
82°
66°
10
81°
64°
11
78°
56°
12
85°
63°
13
84°
64°
14
86°
63°
15
84°
61°
16
81°
65°
17
78°
64°
18
80°
65°
19
80°
66°
20
82°
66°
21
83°
62°
22
81°
59°
23
80°
60°
24
82°
62°
25
80°
61°
26
81°
61°
27
82°
62°
28
82°
62°
29
83°
67°
30
82°
68°
31
81°
69°
1
84°
68°
2
85°
67°
3
86°
69°
4
89°
70°
5
85°
70°
6
82°
69°
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 74° to 89°, with overnight lows between 50° and 72°. The average high for May is 82° with an average low of 63°. 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.
