S
M
T
W
T
F
S
26
84°
68°
27
92°
73°
28
84°
72°
29
71°
61°
30
64°
60°
1
65°
55°
2
76°
51°
3
81°
55°
4
83°
60°
5
90°
61°
6
67°
52°
7
73°
52°
8
75°
60°
9
90°
66°
10
81°
63°
11
78°
58°
12
85°
59°
13
91°
64°
14
91°
69°
15
89°
70°
16
88°
70°
17
87°
75°
18
92°
79°
19
89°
61°
20
77°
63°
21
78°
67°
22
86°
65°
23
80°
68°
24
84°
66°
25
86°
65°
26
84°
68°
27
78°
65°
28
83°
66°
29
89°
67°
30
85°
66°
31
86°
63°
1
87°
68°
2
86°
67°
3
87°
69°
4
90°
68°
5
84°
70°
6
86°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Riverhills
Riverhills's May 2026 forecast shows daily high temperatures ranging from 78° to 90°, with overnight lows between 63° and 71°. The average high for May is 85° with an average low of 67°. 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 Riverhills. See also: June | July | August.