S
M
T
W
T
F
S
26
58°
44°
27
70°
37°
28
63°
49°
29
60°
54°
30
69°
41°
1
68°
46°
2
60°
39°
3
65°
41°
4
73°
56°
5
84°
62°
6
73°
58°
7
66°
46°
8
59°
41°
9
63°
45°
10
70°
55°
11
70°
53°
12
69°
57°
13
74°
55°
14
73°
45°
15
69°
54°
16
69°
53°
17
70°
56°
18
70°
58°
19
78°
58°
20
77°
58°
21
76°
59°
22
79°
58°
23
79°
60°
24
80°
59°
25
75°
56°
26
72°
59°
27
72°
60°
28
80°
61°
29
78°
61°
30
79°
60°
31
77°
61°
1
76°
55°
2
72°
55°
3
73°
54°
4
73°
54°
5
74°
55°
6
74°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in South Riding
South Riding's May 2026 forecast shows daily high temperatures ranging from 59° to 84°, with overnight lows between 39° and 62°. The average high for May is 73° with an average low of 55°. 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 South Riding. See also: June | July | August.