S
M
T
W
T
F
S
26
58°
33°
27
58°
37°
28
64°
26°
29
67°
26°
30
70°
30°
1
75°
34°
2
79°
38°
3
77°
46°
4
76°
42°
5
78°
39°
6
78°
43°
7
83°
47°
8
81°
42°
9
80°
44°
10
85°
45°
11
89°
47°
12
87°
49°
13
87°
46°
14
89°
48°
15
84°
45°
16
81°
46°
17
88°
50°
18
79°
44°
19
68°
45°
20
77°
46°
21
80°
47°
22
81°
48°
23
80°
47°
24
78°
48°
25
81°
49°
26
82°
49°
27
81°
48°
28
76°
48°
29
74°
47°
30
76°
47°
31
79°
48°
1
81°
50°
2
83°
51°
3
84°
51°
4
85°
50°
5
85°
52°
6
84°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Winnemucca
Winnemucca's May 2026 forecast shows daily high temperatures ranging from 68° to 89°, with overnight lows between 39° and 52°. The average high for May is 81° 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 Winnemucca. See also: June | July | August.