S
M
T
W
T
F
S
26
34°
30°
27
35°
24°
28
41°
22°
29
46°
28°
30
46°
28°
1
47°
34°
2
45°
38°
3
58°
38°
4
47°
38°
5
59°
38°
6
68°
46°
7
64°
44°
8
56°
45°
9
54°
33°
10
60°
34°
11
44°
31°
12
52°
36°
13
48°
37°
14
61°
37°
15
48°
38°
16
60°
39°
17
71°
43°
18
47°
37°
19
N/A
20
50°
39°
21
62°
38°
22
53°
39°
23
50°
37°
24
55°
38°
25
63°
43°
26
63°
38°
27
55°
37°
28
57°
38°
29
54°
40°
30
57°
39°
31
57°
40°
1
60°
41°
2
59°
39°
3
55°
40°
4
57°
36°
5
57°
36°
6
58°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Port de Grave
Port de Grave's May 2026 forecast shows daily high temperatures ranging from 50° to 63°, with overnight lows between 36° and 43°. The average high for May is 57° with an average low of 39°. 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 Port de Grave. See also: June | July | August.
