S
M
T
W
T
F
S
26
66°
28°
27
68°
30°
28
68°
32°
29
51°
36°
30
55°
41°
1
51°
34°
2
52°
28°
3
41°
33°
4
57°
33°
5
80°
39°
6
57°
48°
7
59°
32°
8
54°
30°
9
59°
44°
10
56°
42°
11
58°
37°
12
55°
34°
13
57°
38°
14
57°
40°
15
62°
39°
16
60°
43°
17
66°
38°
18
70°
45°
19
65°
38°
20
61°
40°
21
66°
45°
22
70°
39°
23
71°
45°
24
70°
44°
25
70°
45°
26
71°
45°
27
71°
44°
28
69°
45°
29
71°
46°
30
67°
46°
31
66°
45°
1
64°
43°
2
63°
42°
3
65°
41°
4
70°
48°
5
66°
49°
6
70°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Forest City
Forest City's May 2026 forecast shows daily high temperatures ranging from 55° to 71°, with overnight lows between 34° and 49°. The average high for May is 65° with an average low of 43°. 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 Forest City. See also: June | July | August.