S
M
T
W
T
F
S
26
67°
28°
27
70°
30°
28
60°
44°
29
50°
36°
30
50°
27°
1
49°
26°
2
46°
26°
3
50°
42°
4
69°
47°
5
52°
33°
6
52°
33°
7
46°
35°
8
46°
33°
9
49°
37°
10
54°
38°
11
53°
39°
12
56°
40°
13
57°
40°
14
58°
42°
15
57°
40°
16
66°
45°
17
65°
46°
18
66°
44°
19
61°
42°
20
63°
45°
21
65°
43°
22
60°
39°
23
56°
38°
24
56°
38°
25
57°
39°
26
59°
39°
27
59°
40°
28
60°
39°
29
60°
39°
30
63°
42°
31
62°
46°
1
63°
43°
2
64°
42°
3
68°
49°
4
64°
46°
5
67°
51°
6
73°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in West Gravenhurst
West Gravenhurst's May 2026 forecast shows daily high temperatures ranging from 46° to 73°, with overnight lows between 26° and 52°. The average high for May is 59° with an average low of 41°. 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 West Gravenhurst. See also: June | July | August.
