S
M
T
W
T
F
S
26
63°
39°
27
72°
39°
28
66°
43°
29
64°
48°
30
59°
46°
1
63°
39°
2
57°
46°
3
59°
39°
4
72°
45°
5
82°
54°
6
70°
52°
7
61°
48°
8
59°
41°
9
55°
45°
10
68°
45°
11
59°
43°
12
66°
37°
13
68°
48°
14
64°
46°
15
66°
46°
16
79°
48°
17
88°
63°
18
93°
64°
19
N/A
20
89°
55°
21
65°
45°
22
70°
50°
23
58°
50°
24
62°
54°
25
70°
58°
26
77°
58°
27
76°
57°
28
76°
56°
29
75°
58°
30
77°
60°
31
81°
62°
1
82°
57°
2
72°
55°
3
69°
56°
4
71°
59°
5
76°
58°
6
76°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Garrison
Garrison's May 2026 forecast shows daily high temperatures ranging from 58° to 89°, with overnight lows between 45° and 62°. The average high for May is 73° with an average low of 56°. 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.
