S
M
T
W
T
F
S
26
69°
46°
27
70°
55°
28
64°
44°
29
65°
45°
30
67°
42°
1
65°
43°
2
64°
47°
3
69°
52°
4
68°
46°
5
65°
44°
6
64°
44°
7
66°
47°
8
70°
44°
9
67°
45°
10
65°
44°
11
65°
44°
12
67°
52°
13
77°
56°
14
79°
57°
15
79°
57°
16
78°
55°
17
71°
55°
18
76°
56°
19
79°
58°
20
79°
58°
21
78°
54°
22
70°
50°
23
71°
49°
24
72°
49°
25
77°
57°
26
81°
58°
27
82°
59°
28
81°
58°
29
78°
60°
30
79°
52°
31
78°
56°
1
81°
52°
2
73°
51°
3
73°
50°
4
74°
52°
5
75°
55°
6
78°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Riverview
Riverview's May 2026 forecast shows daily high temperatures ranging from 64° to 82°, with overnight lows between 42° and 61°. The average high for May is 73° with an average low of 51°. 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 Riverview. See also: June | July | August.