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Dewey, SD

35°F
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Dewey

South Dakota

35°
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Dewey, SD Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today WinterCast Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities

April

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
29
72°
37°
30
77°
37°
31
43°
34°
1
43°
36°
2
61°
34°
3
Very windy this afternoon
44°
30°
4
Partly sunny and windy
59°
27°
5
Sunshine; breezy in the p.m.
63°
33°
6
Breezy and cooler
54°
33°
7
Mostly cloudy and warmer
72°
40°
8
Turning cloudy
64°
23°
9
An a.m. flurry, then a shower
45°
23°
10
Sun through high clouds
49°
24°
11
Sun through high clouds
51°
26°
12
Sunny to partly cloudy
57°
28°
13
Times of clouds and sun
57°
25°
14
A bit of ice in the morning
59°
30°
15
Increasing cloudiness
66°
34°
16
Partly sunny
59°
27°
17
Partly sunny
65°
35°
18
Mostly sunny
67°
36°
19
Decreasing clouds
68°
36°
20
Decreasing clouds
67°
37°
21
Mainly cloudy
67°
36°
22
Mostly cloudy
65°
35°
23
Rain becoming steadier
58°
31°
24
Cloudy with a touch of rain
52°
27°
25
Times of clouds and sun
52°
27°
26
Mostly sunny
53°
25°
27
Sunshine and a few clouds
56°
32°
28
Plenty of clouds
56°
30°
29
Increasing amounts of sun
55°
29°
30
Sunshine and a few clouds
66°
37°
1
A thick cloud cover
66°
38°
2
Partly sunny
69°
39°

Temperature Graph

°F
80° 68° 56° 44° 32° Apr
Today 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
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

April Weather in Dewey

Dewey's April 2026 forecast shows daily high temperatures ranging from 44° to 72°, with overnight lows between 23° and 40°. The average high for April is 59° with an average low of 31°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Dewey. See also: May | June | July.

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World North America United States South Dakota Dewey

Weather Near Dewey:

  • Rapid City, SD
  • Sheridan, WY
  • Spearfish, SD
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