S
M
T
W
T
F
S
26
84°
59°
27
75°
66°
28
84°
63°
29
91°
59°
30
88°
68°
1
90°
68°
2
79°
61°
3
75°
57°
4
81°
50°
5
84°
52°
6
91°
57°
7
95°
68°
8
86°
70°
9
82°
64°
10
86°
70°
11
90°
70°
12
75°
72°
13
86°
68°
14
88°
61°
15
86°
54°
16
90°
63°
17
90°
73°
18
88°
61°
19
88°
68°
20
88°
63°
21
91°
66°
22
91°
72°
23
91°
73°
24
90°
72°
25
93°
72°
26
N/A
27
90°
73°
28
84°
73°
29
88°
72°
30
86°
72°
31
84°
70°
1
80°
67°
2
80°
69°
3
83°
67°
4
83°
70°
5
84°
69°
6
84°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Riverdale
Riverdale's May 2026 forecast shows daily high temperatures ranging from 80° to 90°, with overnight lows between 67° and 73°. The average high for May is 84° with an average low of 70°. 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.
