S
M
T
W
T
F
S
26
77°
58°
27
81°
63°
28
79°
54°
29
66°
50°
30
64°
44°
1
64°
44°
2
N/A
3
79°
58°
4
81°
62°
5
75°
48°
6
62°
41°
7
64°
53°
8
75°
58°
9
77°
59°
10
73°
58°
11
73°
55°
12
78°
64°
13
79°
62°
14
79°
61°
15
75°
57°
16
78°
63°
17
73°
62°
18
72°
62°
19
77°
61°
20
75°
59°
21
79°
55°
22
70°
54°
23
71°
56°
24
71°
58°
25
70°
56°
26
71°
55°
27
73°
56°
28
73°
58°
29
74°
61°
30
76°
65°
31
75°
64°
1
75°
62°
2
76°
60°
3
76°
66°
4
77°
66°
5
76°
67°
6
76°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Forum
Forum's May 2026 forecast shows daily high temperatures ranging from 62° to 81°, with overnight lows between 41° and 67°. The average high for May is 74° with an average low of 59°. 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 Forum. See also: June | July | August.
