S
M
T
W
T
F
S
26
67°
46°
27
59°
40°
28
57°
40°
29
57°
44°
30
58°
42°
1
58°
41°
2
57°
41°
3
58°
43°
4
59°
42°
5
59°
42°
6
58°
41°
7
58°
41°
8
61°
42°
9
67°
48°
10
61°
46°
11
66°
43°
12
69°
47°
13
69°
51°
14
68°
48°
15
70°
48°
16
70°
46°
17
69°
48°
18
69°
47°
19
70°
52°
20
68°
51°
21
66°
50°
22
63°
48°
23
63°
46°
24
69°
51°
25
66°
49°
26
66°
52°
27
67°
54°
28
73°
55°
29
74°
57°
30
74°
56°
31
73°
56°
1
73°
55°
2
71°
54°
3
68°
48°
4
67°
47°
5
67°
51°
6
71°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rain
Rain's May 2026 forecast shows daily high temperatures ranging from 57° to 74°, with overnight lows between 40° and 57°. The average high for May is 66° with an average low of 48°. 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 Rain. See also: June | July | August.