S
M
T
W
T
F
S
26
38°
32°
27
46°
26°
28
58°
25°
29
63°
28°
30
64°
33°
1
67°
37°
2
66°
36°
3
61°
45°
4
48°
35°
5
47°
35°
6
62°
32°
7
72°
37°
8
74°
39°
9
75°
39°
10
78°
41°
11
77°
42°
12
78°
45°
13
67°
43°
14
72°
39°
15
74°
44°
16
66°
41°
17
66°
42°
18
62°
39°
19
69°
41°
20
73°
41°
21
73°
42°
22
74°
43°
23
72°
42°
24
71°
43°
25
73°
44°
26
71°
41°
27
69°
41°
28
71°
43°
29
73°
42°
30
74°
42°
31
71°
43°
1
76°
46°
2
77°
47°
3
77°
47°
4
76°
46°
5
77°
47°
6
77°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Forest Falls
Forest Falls's May 2026 forecast shows daily high temperatures ranging from 62° to 77°, with overnight lows between 39° and 47°. The average high for May is 73° 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 Falls. See also: June | July | August.