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Sundance, WY

50°F
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Sundance, WY Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Winter Center

Today Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities

May

January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
26
46°
27°
27
34°
30°
28
50°
28°
29
54°
32°
30
Mostly sunny and cold
50°
30°
1
Plenty of sunshine
52°
37°
2
Partly sunny
61°
39°
3
Some sun with a thundershower
56°
41°
4
Sun and clouds
53°
35°
5
A couple of showers
48°
27°
6
A flurry in the morning
43°
32°
7
Sunshine and a few clouds
57°
44°
8
A few afternoon showers
58°
41°
9
Rain tapering off
54°
39°
10
Sunshine and some clouds
54°
41°
11
A t-storm around in the p.m.
55°
41°
12
Morning t-storms, then rain
55°
39°
13
Warmer with periods of rain
72°
44°
14
Rain in the afternoon
52°
34°
15
Cloudy with occasional rain
52°
33°
16
Increasing amounts of sun
53°
35°
17
Mostly sunny
60°
40°
18
Mostly sunny
66°
43°
19
Mainly cloudy
66°
45°
20
A little afternoon rain
64°
42°
21
Mostly cloudy
57°
41°
22
Rain becoming steadier
58°
38°
23
Periods of rain
57°
40°
24
A little rain in the morning
57°
39°
25
A touch of morning rain
58°
39°
26
Remaining cloudy
58°
40°
27
Some sun
60°
40°
28
Mostly sunny
61°
45°
29
Mostly cloudy and warmer
72°
48°
30
Cloudy and cooler
62°
45°
31
Cloudy
61°
49°
1
Mostly sunny and warmer
72°
49°
2
A couple of showers
69°
48°
3
Partly sunny
69°
49°
4
Cloudy
67°
50°
5
Rain in the afternoon
67°
50°
6
Cloudy with a few showers
68°
51°

Temperature Graph

°F
80° 68° 56° 44° 32° May
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

May Weather in Sundance

Sundance's May 2026 forecast shows daily high temperatures ranging from 43° to 72°, with overnight lows between 27° and 51°. The average high for May is 59° with an average low of 41°. 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 Sundance. See also: June | July | August.

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Weather Near Sundance:

  • Rapid City, SD
  • Sheridan, WY
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