S
M
T
W
T
F
S
26
63°
43°
27
57°
39°
28
55°
39°
29
59°
39°
30
N/A
1
63°
49°
2
58°
48°
3
57°
42°
4
57°
43°
5
55°
40°
6
55°
38°
7
56°
41°
8
57°
44°
9
57°
44°
10
58°
45°
11
59°
45°
12
60°
46°
13
56°
44°
14
57°
46°
15
58°
47°
16
62°
46°
17
58°
46°
18
59°
47°
19
59°
47°
20
58°
46°
21
58°
47°
22
59°
46°
23
58°
46°
24
58°
45°
25
59°
44°
26
58°
45°
27
59°
48°
28
60°
49°
29
62°
48°
30
60°
46°
31
59°
44°
1
59°
43°
2
60°
44°
3
59°
44°
4
59°
45°
5
60°
44°
6
60°
44°
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 55° to 63°, with overnight lows between 38° and 49°. The average high for May is 59° with an average low of 45°. 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.