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As of 20:15 MDT

Weather in Dewey, SD

87°Current weather

Dewey, Saturday, 8 August, 20:15

Clear. Feels like 85°. High 96°, low 65°.

Pressure29.71 inHg
Wind16.3 mph NE
Humidity31%
Visibility6.2 mi
Dew point51°

10-day forecast for Dewey, SD: 61° to 102°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.

102°
Best day: Monday, August 10
79° · 0.39 in
Worst day: Friday, August 14

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

Sun, 0992° / 67°0Clear
MorningOvercast74°feels 72°
AfternoonClear91°feels 87°
EveningClear82°feels 80°
OvernightClear70°feels 68°
92 °Clear

Dewey, Sunday, 9 August

Clear. High 92°, low 67°.

Pressure29.77 inHg
Wind14.7 mph S
Humidity13%
Visibility6.2 mi
Dew point34°
Mon, 10102° / 67°0Clear
MorningPartly cloudy74°feels 73°
AfternoonClear98°feels 94°
EveningOvercast91°feels 86°
OvernightOvercast71°feels 69°
102 °Clear

Dewey, Monday, 10 August

Clear. High 102°, low 67°.

Pressure29.74 inHg
Wind4.1 mph SW
Humidity18%
Visibility6.2 mi
Dew point43°
Tue, 1197° / 73°0Clear
MorningOvercast79°feels 79°
AfternoonClear94°feels 91°
EveningClear88°feels 85°
OvernightOvercast77°feels 76°
97 °Clear

Dewey, Tuesday, 11 August

Clear. High 97°, low 73°.

Pressure29.80 inHg
Wind15.7 mph SE
Humidity28%
Visibility6.2 mi
Dew point53°
Wed, 1293° / 68°0.02Light rain
MorningClear73°feels 72°
AfternoonOvercast92°feels 89°
EveningLight rain80°feels 80°
OvernightPartly cloudy72°feels 72°
93 °Light rain

Dewey, Wednesday, 12 August

Light rain. High 93°, low 68°.

Pressure29.80 inHg
Wind11.9 mph SE
Humidity32%
Visibility6.2 mi
Dew point55°
Thu, 1371° / 61°0.04Light rain
MorningLight rain63°feels 62°
AfternoonLight rain67°feels 67°
EveningLight rain68°feels 68°
OvernightLight rain65°feels 65°
71 °Light rain

Dewey, Thursday, 13 August

Light rain. High 71°, low 61°.

Pressure29.94 inHg
Wind23.3 mph E
Humidity71%
Visibility—
Dew point56°
Fri, 1479° / 64°0.39Rain
MorningRain68°feels 68°
AfternoonRain75°feels 75°
EveningRain70°feels 70°
OvernightRain70°feels 70°
79 °Rain

Dewey, Friday, 14 August

Rain. High 79°, low 64°.

Pressure29.94 inHg
Wind20.6 mph SE
Humidity56%
Visibility—
Dew point58°
Sat, 1584° / 64°0.01Light rain
MorningLight rain68°feels 68°
AfternoonLight rain78°feels 78°
EveningLight rain82°feels 81°
OvernightLight rain73°feels 73°
84 °Light rain

Dewey, Saturday, 15 August

Light rain. High 84°, low 64°.

Pressure30.09 inHg
Wind16.9 mph E
Humidity51%
Visibility—
Dew point56°
Sun, 1687° / 67°0.27Rain
MorningRain71°feels 71°
AfternoonRain82°feels 82°
EveningRain84°feels 83°
OvernightRain69°feels 69°
87 °Rain

Dewey, Sunday, 16 August

Rain. High 87°, low 67°.

Pressure30.00 inHg
Wind12.8 mph E
Humidity43%
Visibility—
Dew point55°
Mon, 1792° / 69°0Overcast
MorningOvercast74°feels 73°
AfternoonOvercast86°feels 85°
EveningOvercast89°feels 86°
OvernightOvercast74°feels 73°
92 °Overcast

Dewey, Monday, 17 August

Overcast. High 92°, low 69°.

Pressure29.94 inHg
Wind17.3 mph E
Humidity39%
Visibility—
Dew point55°

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.