S
M
T
W
T
F
S
26
59°
45°
27
59°
46°
28
50°
36°
29
52°
34°
30
55°
39°
1
59°
36°
2
63°
48°
3
48°
46°
4
59°
45°
5
51°
34°
6
48°
41°
7
55°
44°
8
58°
39°
9
50°
40°
10
52°
41°
11
55°
41°
12
54°
39°
13
54°
40°
14
53°
40°
15
53°
42°
16
56°
44°
17
55°
43°
18
53°
44°
19
54°
44°
20
53°
42°
21
53°
43°
22
54°
43°
23
54°
47°
24
55°
47°
25
54°
48°
26
55°
47°
27
55°
45°
28
54°
43°
29
54°
43°
30
55°
47°
31
56°
48°
1
56°
47°
2
57°
46°
3
56°
46°
4
57°
49°
5
58°
47°
6
58°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Forfar
Forfar's May 2026 forecast shows daily high temperatures ranging from 48° to 58°, with overnight lows between 34° and 49°. The average high for May is 54° with an average low of 44°. 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 Forfar. See also: June | July | August.