S
M
T
W
T
F
S
26
65°
47°
27
75°
49°
28
71°
55°
29
64°
46°
30
57°
42°
1
52°
40°
2
51°
34°
3
61°
34°
4
72°
49°
5
67°
46°
6
56°
40°
7
59°
40°
8
67°
46°
9
72°
53°
10
67°
51°
11
70°
43°
12
73°
41°
13
65°
46°
14
63°
42°
15
65°
43°
16
75°
55°
17
83°
62°
18
86°
66°
19
86°
66°
20
69°
53°
21
66°
51°
22
63°
52°
23
68°
60°
24
75°
60°
25
79°
63°
26
80°
68°
27
77°
62°
28
79°
59°
29
79°
56°
30
74°
58°
31
75°
55°
1
78°
58°
2
80°
59°
3
79°
61°
4
80°
62°
5
81°
63°
6
80°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Riverdale
Riverdale's May 2026 forecast shows daily high temperatures ranging from 74° to 81°, with overnight lows between 55° and 68°. The average high for May is 78° with an average low of 60°. 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 Riverdale. See also: June | July | August.
