S
M
T
W
T
F
S
26
64°
52°
27
69°
45°
28
72°
40°
29
76°
53°
30
72°
53°
1
59°
48°
2
57°
52°
3
66°
45°
4
79°
45°
5
82°
52°
6
84°
59°
7
73°
53°
8
73°
48°
9
77°
51°
10
85°
60°
11
71°
50°
12
73°
41°
13
79°
52°
14
77°
55°
15
75°
48°
16
85°
52°
17
92°
61°
18
94°
69°
19
93°
66°
20
92°
67°
21
92°
67°
22
79°
62°
23
84°
61°
24
81°
71°
25
82°
71°
26
84°
72°
27
85°
69°
28
85°
64°
29
80°
62°
30
74°
60°
31
70°
56°
1
76°
57°
2
80°
61°
3
82°
62°
4
82°
62°
5
85°
65°
6
82°
72°
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 70° to 85°, with overnight lows between 56° and 72°. The average high for May is 81° with an average low of 65°. 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.
