S
M
T
W
T
F
S
26
63°
39°
27
63°
45°
28
54°
39°
29
57°
37°
30
61°
37°
1
73°
34°
2
66°
52°
3
52°
46°
4
57°
46°
5
59°
39°
6
52°
34°
7
57°
30°
8
61°
45°
9
61°
45°
10
54°
41°
11
50°
34°
12
59°
34°
13
52°
43°
14
54°
41°
15
52°
41°
16
57°
39°
17
57°
43°
18
57°
37°
19
63°
50°
20
64°
52°
21
70°
54°
22
79°
52°
23
N/A
24
74°
55°
25
81°
58°
26
66°
52°
27
61°
49°
28
67°
57°
29
67°
52°
30
67°
53°
31
69°
54°
1
70°
54°
2
63°
48°
3
63°
49°
4
65°
50°
5
60°
50°
6
60°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Whitby
Whitby's May 2026 forecast shows daily high temperatures ranging from 60° to 81°, with overnight lows between 47° and 58°. The average high for May is 67° with an average low of 52°. 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 Whitby. See also: June | July | August.
