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As of 11:23 MDT

Weather in Dewey, SD

66°Current weather

Dewey, Tuesday, 20 October, 11:23

Clear. Feels like 65°. High 69°, low 46°.

Pressure30.09 inHg
Wind1.4 mph W
Humidity45%
Visibility6.2 mi
Dew point44°

10-day forecast for Dewey, SD: 20° to 77°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

77°
Best day: Friday, October 23
43° · 0.15 in
Worst day: Sunday, October 25

Tap any day below to see morning, afternoon, evening and overnight.

Wed, 2168° / 47°0Clear
MorningOvercast51°feels 49°
AfternoonClear68°feels 66°
EveningClear55°feels 53°
OvernightClear50°feels 50°
68 °Clear

Dewey, Wednesday, 21 October

Clear. High 68°, low 47°.

Pressure30.21 inHg
Wind6.4 mph SE
Humidity49%
Visibility6.2 mi
Dew point42°
Thu, 2275° / 52°0Overcast
MorningClear52°feels 51°
AfternoonMostly clear73°feels 72°
EveningOvercast65°feels 64°
OvernightPartly cloudy53°feels 51°
75 °Overcast

Dewey, Thursday, 22 October

Overcast. High 75°, low 52°.

Pressure29.97 inHg
Wind2.9 mph SE
Humidity46%
Visibility6.2 mi
Dew point47°
Fri, 2377° / 55°0Overcast
MorningOvercast56°feels 55°
AfternoonClear74°feels 73°
EveningOvercast61°feels 60°
OvernightOvercast58°feels 57°
77 °Overcast

Dewey, Friday, 23 October

Overcast. High 77°, low 55°.

Pressure29.74 inHg
Wind1.1 mph SE
Humidity53%
Visibility6.2 mi
Dew point51°
Sat, 2453° / 42°0Overcast
MorningMostly clear42°feels 34°
AfternoonOvercast49°feels 46°
EveningOvercast48°feels 44°
OvernightOvercast45°feels 37°
53 °Overcast

Dewey, Saturday, 24 October

Overcast. High 53°, low 42°.

Pressure30.39 inHg
Wind20.3 mph NW
Humidity47%
Visibility—
Dew point29°
Sun, 2543° / 37°0.15Snow
MorningSnow40°feels 33°
AfternoonSnow38°feels 31°
EveningSnow38°feels 32°
OvernightSnow38°feels 31°
43 °Snow

Dewey, Sunday, 25 October

Snow. High 43°, low 37°.

Pressure30.42 inHg
Wind12.2 mph E
Humidity89%
Visibility—
Dew point36°
Mon, 2636° / 27°0.05Light snow
MorningLight snow35°feels 32°
AfternoonLight snow34°feels 25°
EveningLight snow30°feels 22°
OvernightLight snow29°feels 23°
36 °Light snow

Dewey, Monday, 26 October

Light snow. High 36°, low 27°.

Pressure30.53 inHg
Wind18.8 mph NW
Humidity68%
Visibility—
Dew point25°
Tue, 2744° / 20°0Clear
MorningClear24°feels 23°
AfternoonClear35°feels 31°
EveningClear38°feels 33°
OvernightClear32°feels 29°
44 °Clear

Dewey, Tuesday, 27 October

Clear. High 44°, low 20°.

Pressure30.62 inHg
Wind7.9 mph SE
Humidity49%
Visibility—
Dew point15°
Wed, 2851° / 32°0Clear
MorningClear37°feels 30°
AfternoonClear48°feels 41°
EveningClear41°feels 35°
OvernightClear35°feels 30°
51 °Clear

Dewey, Wednesday, 28 October

Clear. High 51°, low 32°.

Pressure30.21 inHg
Wind19.3 mph NW
Humidity28%
Visibility—
Dew point15°
Thu, 2951° / 29°0Clear
MorningClear33°feels 33°
AfternoonClear45°feels 44°
EveningClear43°feels 39°
OvernightClear37°feels 33°
51 °Clear

Dewey, Thursday, 29 October

Clear. High 51°, low 29°.

Pressure30.30 inHg
Wind8.4 mph SE
Humidity35%
Visibility—
Dew point17°

About this forecast

How reliable is a 10-day forecast?

The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.

What does the time-of-day table show?

Temperature in Dewey, SD around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.

How is the best day chosen?

We weigh the daytime high against precipitation: a warm, dry day scores highest.