S
M
T
W
T
F
S
26
45°
25°
27
48°
25°
28
56°
25°
29
56°
27°
30
58°
25°
1
68°
25°
2
73°
35°
3
72°
34°
4
65°
39°
5
55°
27°
6
70°
23°
7
71°
44°
8
72°
35°
9
67°
40°
10
81°
36°
11
80°
47°
12
85°
36°
13
84°
46°
14
71°
44°
15
67°
38°
16
53°
32°
17
50°
26°
18
46°
25°
19
55°
32°
20
55°
33°
21
54°
34°
22
62°
37°
23
75°
43°
24
76°
43°
25
75°
41°
26
65°
42°
27
70°
42°
28
70°
42°
29
71°
41°
30
67°
41°
31
68°
40°
1
63°
41°
2
63°
39°
3
69°
45°
4
71°
43°
5
70°
45°
6
66°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Alder
Alder's May 2026 forecast shows daily high temperatures ranging from 46° to 76°, with overnight lows between 25° and 45°. The average high for May is 66° with an average low of 40°. 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 Alder. See also: June | July | August.