S
M
T
W
T
F
S
26
58°
41°
27
59°
33°
28
63°
39°
29
72°
39°
30
74°
42°
1
76°
44°
2
73°
49°
3
75°
50°
4
63°
47°
5
74°
47°
6
80°
50°
7
86°
49°
8
85°
53°
9
85°
55°
10
91°
57°
11
92°
58°
12
92°
58°
13
87°
56°
14
82°
55°
15
78°
53°
16
79°
52°
17
78°
51°
18
76°
52°
19
75°
51°
20
88°
50°
21
68°
44°
22
68°
45°
23
70°
48°
24
72°
50°
25
76°
49°
26
76°
48°
27
77°
48°
28
74°
50°
29
79°
54°
30
82°
56°
31
83°
56°
1
84°
55°
2
84°
56°
3
83°
53°
4
78°
54°
5
74°
52°
6
75°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Reno Southeast
Reno Southeast's May 2026 forecast shows daily high temperatures ranging from 68° to 92°, with overnight lows between 44° and 58°. The average high for May is 80° with an average low of 52°. 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 Reno Southeast. See also: June | July | August.