S
M
T
W
T
F
S
26
58°
28°
27
48°
36°
28
47°
29°
29
41°
28°
30
46°
29°
1
54°
27°
2
65°
36°
3
72°
34°
4
51°
32°
5
38°
29°
6
43°
31°
7
54°
23°
8
62°
35°
9
54°
33°
10
52°
28°
11
67°
30°
12
61°
42°
13
N/A
14
76°
54°
15
73°
41°
16
57°
37°
17
56°
43°
18
52°
33°
19
54°
34°
20
64°
40°
21
65°
41°
22
67°
44°
23
68°
46°
24
70°
49°
25
69°
49°
26
70°
48°
27
70°
47°
28
66°
46°
29
65°
50°
30
66°
46°
31
65°
44°
1
66°
44°
2
68°
53°
3
69°
54°
4
77°
54°
5
76°
53°
6
76°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Greenbush
Greenbush's May 2026 forecast shows daily high temperatures ranging from 52° to 77°, with overnight lows between 33° and 54°. The average high for May is 67° with an average low of 46°. 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 Greenbush. See also: June | July | August.