S
M
T
W
T
F
S
26
68°
40°
27
59°
42°
28
57°
50°
29
68°
47°
30
76°
44°
1
77°
50°
2
79°
51°
3
82°
48°
4
80°
51°
5
67°
52°
6
60°
49°
7
67°
53°
8
62°
49°
9
71°
50°
10
69°
47°
11
74°
48°
12
83°
49°
13
62°
52°
14
61°
46°
15
51°
45°
16
57°
43°
17
63°
42°
18
67°
47°
19
65°
46°
20
73°
51°
21
77°
52°
22
67°
48°
23
68°
48°
24
67°
47°
25
69°
51°
26
68°
49°
27
77°
56°
28
62°
48°
29
62°
45°
30
63°
43°
31
68°
48°
1
68°
49°
2
62°
48°
3
62°
45°
4
63°
45°
5
62°
47°
6
62°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Aldergrove
Aldergrove's May 2026 forecast shows daily high temperatures ranging from 51° to 77°, with overnight lows between 42° and 56°. The average high for May is 65° with an average low of 47°. 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 Aldergrove. See also: June | July | August.