S
M
T
W
T
F
S
26
63°
43°
27
57°
39°
28
55°
39°
29
59°
39°
30
64°
46°
1
63°
52°
2
61°
48°
3
52°
46°
4
57°
46°
5
56°
40°
6
53°
44°
7
57°
44°
8
57°
44°
9
56°
43°
10
54°
41°
11
55°
41°
12
58°
41°
13
58°
43°
14
57°
43°
15
57°
44°
16
59°
44°
17
58°
45°
18
58°
47°
19
59°
46°
20
58°
46°
21
58°
47°
22
59°
46°
23
59°
48°
24
60°
48°
25
59°
47°
26
59°
47°
27
60°
46°
28
59°
43°
29
59°
46°
30
61°
47°
31
60°
48°
1
60°
49°
2
61°
48°
3
61°
49°
4
62°
49°
5
62°
48°
6
63°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Forkhill
Forkhill's May 2026 forecast shows daily high temperatures ranging from 53° to 63°, with overnight lows between 40° and 50°. The average high for May is 59° with an average low of 46°. 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 Forkhill. See also: June | July | August.