S
M
T
W
T
F
S
26
63°
41°
27
63°
45°
28
54°
39°
29
59°
38°
30
63°
39°
1
72°
41°
2
59°
48°
3
50°
45°
4
55°
45°
5
52°
39°
6
48°
37°
7
54°
36°
8
59°
43°
9
50°
41°
10
52°
37°
11
46°
37°
12
54°
37°
13
48°
41°
14
50°
36°
15
50°
37°
16
52°
37°
17
55°
43°
18
55°
41°
19
61°
49°
20
59°
48°
21
67°
51°
22
76°
53°
23
68°
49°
24
71°
50°
25
69°
51°
26
67°
50°
27
71°
53°
28
68°
51°
29
64°
49°
30
65°
49°
31
64°
50°
1
58°
46°
2
58°
46°
3
61°
50°
4
60°
52°
5
63°
53°
6
64°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Grassington
Grassington's May 2026 forecast shows daily high temperatures ranging from 58° to 76°, with overnight lows between 46° and 53°. The average high for May is 65° with an average low of 50°. 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 Grassington. See also: June | July | August.