S
M
T
W
T
F
S
26
60°
49°
27
69°
41°
28
65°
52°
29
71°
53°
30
69°
44°
1
68°
48°
2
58°
38°
3
64°
39°
4
69°
48°
5
73°
53°
6
74°
52°
7
71°
54°
8
69°
51°
9
66°
47°
10
70°
48°
11
69°
54°
12
70°
54°
13
76°
56°
14
73°
51°
15
67°
49°
16
67°
47°
17
66°
48°
18
69°
49°
19
72°
57°
20
75°
57°
21
77°
56°
22
72°
54°
23
72°
51°
24
73°
58°
25
78°
59°
26
77°
56°
27
73°
52°
28
72°
51°
29
72°
52°
30
74°
53°
31
77°
55°
1
78°
58°
2
78°
60°
3
82°
61°
4
82°
62°
5
77°
60°
6
75°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Forest
Forest's May 2026 forecast shows daily high temperatures ranging from 58° to 82°, with overnight lows between 38° and 62°. The average high for May is 72° with an average low of 53°. 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. See also: June | July | August.