S
M
T
W
T
F
S
26
61°
53°
27
62°
52°
28
63°
52°
29
65°
52°
30
63°
52°
1
60°
53°
2
58°
53°
3
61°
53°
4
62°
55°
5
63°
55°
6
63°
55°
7
60°
55°
8
59°
56°
9
64°
55°
10
63°
54°
11
67°
55°
12
63°
54°
13
62°
52°
14
61°
53°
15
60°
52°
16
63°
55°
17
65°
54°
18
64°
55°
19
64°
55°
20
65°
54°
21
64°
53°
22
63°
53°
23
64°
55°
24
65°
55°
25
65°
54°
26
64°
54°
27
58°
53°
28
57°
53°
29
58°
54°
30
58°
54°
31
59°
55°
1
61°
55°
2
64°
54°
3
62°
55°
4
57°
54°
5
58°
53°
6
56°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Forest Hill
Forest Hill's May 2026 forecast shows daily high temperatures ranging from 56° to 67°, with overnight lows between 52° and 56°. The average high for May is 62° with an average low of 54°. 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 Hill. See also: June | July | August.