S
M
T
W
T
F
S
26
86°
75°
27
90°
74°
28
91°
77°
29
92°
74°
30
80°
68°
1
72°
57°
2
75°
54°
3
81°
55°
4
81°
59°
5
89°
69°
6
91°
69°
7
72°
65°
8
83°
66°
9
93°
70°
10
91°
64°
11
82°
65°
12
87°
64°
13
91°
62°
14
92°
60°
15
90°
68°
16
90°
65°
17
89°
76°
18
92°
78°
19
88°
69°
20
86°
66°
21
82°
67°
22
87°
70°
23
81°
67°
24
87°
67°
25
90°
71°
26
86°
69°
27
82°
72°
28
89°
70°
29
90°
71°
30
89°
70°
31
88°
68°
1
87°
69°
2
86°
67°
3
85°
66°
4
88°
69°
5
90°
70°
6
87°
73°
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 81° to 90°, with overnight lows between 66° and 73°. The average high for May is 87° with an average low of 69°. 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.
