S
M
T
W
T
F
S
26
85°
61°
27
83°
60°
28
86°
61°
29
79°
61°
30
84°
62°
1
85°
62°
2
86°
63°
3
87°
64°
4
87°
64°
5
86°
56°
6
79°
56°
7
80°
57°
8
81°
57°
9
86°
63°
10
87°
60°
11
82°
58°
12
86°
64°
13
89°
65°
14
89°
65°
15
88°
66°
16
90°
66°
17
91°
67°
18
91°
67°
19
90°
68°
20
90°
67°
21
89°
68°
22
86°
67°
23
85°
64°
24
86°
64°
25
90°
68°
26
89°
64°
27
87°
64°
28
89°
69°
29
92°
70°
30
91°
69°
31
90°
67°
1
91°
67°
2
93°
66°
3
90°
66°
4
87°
67°
5
88°
66°
6
88°
67°
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 79° to 93°, with overnight lows between 56° and 70°. The average high for May is 87° with an average low of 64°. 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.
