S
M
T
W
T
F
S
26
81°
55°
27
84°
55°
28
58°
47°
29
64°
43°
30
66°
40°
1
67°
42°
2
64°
42°
3
79°
40°
4
80°
61°
5
69°
44°
6
63°
41°
7
69°
39°
8
77°
50°
9
84°
47°
10
71°
42°
11
79°
39°
12
79°
48°
13
80°
48°
14
81°
66°
15
85°
68°
16
82°
68°
17
84°
70°
18
85°
62°
19
72°
53°
20
70°
54°
21
75°
53°
22
77°
58°
23
76°
60°
24
80°
62°
25
76°
61°
26
79°
63°
27
81°
60°
28
83°
63°
29
83°
62°
30
77°
60°
31
78°
63°
1
75°
58°
2
76°
61°
3
77°
66°
4
85°
67°
5
85°
68°
6
83°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Greenbush
Greenbush's May 2026 forecast shows daily high temperatures ranging from 70° to 85°, with overnight lows between 53° and 70°. The average high for May is 79° with an average low of 62°. 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.