S
M
T
W
T
F
S
26
62°
46°
27
76°
44°
28
72°
55°
29
60°
46°
30
57°
41°
1
51°
37°
2
49°
32°
3
61°
32°
4
74°
46°
5
71°
48°
6
58°
43°
7
59°
40°
8
65°
42°
9
72°
53°
10
65°
49°
11
69°
39°
12
71°
42°
13
67°
43°
14
62°
42°
15
66°
52°
16
77°
61°
17
83°
63°
18
84°
67°
19
77°
59°
20
73°
53°
21
68°
54°
22
71°
52°
23
69°
51°
24
71°
51°
25
74°
56°
26
75°
64°
27
76°
60°
28
77°
59°
29
79°
59°
30
77°
56°
31
71°
53°
1
72°
51°
2
72°
51°
3
73°
52°
4
73°
53°
5
78°
61°
6
82°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Ostrander
Ostrander's May 2026 forecast shows daily high temperatures ranging from 62° to 84°, with overnight lows between 42° and 67°. The average high for May is 74° with an average low of 55°. 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 Ostrander. See also: June | July | August.