S
M
T
W
T
F
S
26
67°
38°
27
70°
44°
28
71°
45°
29
72°
46°
30
73°
45°
1
73°
47°
2
74°
46°
3
73°
45°
4
67°
44°
5
73°
47°
6
75°
47°
7
74°
44°
8
74°
47°
9
75°
49°
10
76°
50°
11
77°
50°
12
76°
49°
13
77°
50°
14
77°
50°
15
77°
49°
16
78°
48°
17
78°
49°
18
79°
51°
19
80°
47°
20
77°
44°
21
75°
51°
22
80°
51°
23
82°
49°
24
83°
48°
25
82°
48°
26
82°
44°
27
80°
47°
28
77°
47°
29
76°
48°
30
78°
46°
31
83°
48°
1
84°
48°
2
85°
54°
3
85°
46°
4
80°
46°
5
80°
49°
6
85°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Reno
Reno's May 2026 forecast shows daily high temperatures ranging from 67° to 85°, with overnight lows between 38° and 54°. The average high for May is 77° with an average low of 47°. 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. See also: June | July | August.