S
M
T
W
T
F
S
26
44°
33°
27
36°
31°
28
46°
28°
29
50°
31°
30
51°
32°
1
57°
29°
2
63°
35°
3
64°
44°
4
61°
44°
5
46°
37°
6
51°
30°
7
63°
39°
8
64°
46°
9
62°
47°
10
70°
43°
11
76°
46°
12
80°
58°
13
73°
59°
14
64°
46°
15
67°
49°
16
57°
42°
17
44°
32°
18
44°
26°
19
53°
31°
20
56°
38°
21
54°
35°
22
60°
40°
23
65°
48°
24
71°
50°
25
70°
50°
26
63°
43°
27
69°
45°
28
67°
45°
29
69°
48°
30
69°
45°
31
67°
42°
1
63°
41°
2
66°
41°
3
68°
42°
4
70°
46°
5
73°
48°
6
71°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Park City
Park City's May 2026 forecast shows daily high temperatures ranging from 44° to 73°, with overnight lows between 26° and 50°. The average high for May is 64° with an average low of 43°. 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 Park City. See also: June | July | August.