10-day forecast for Dewey, SD: 33° to 68°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
68°
Best day: Sunday, November 1
43°
Worst day: Monday, October 26
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 2643° / 33°0.02
Morning37°feels 32°
Afternoon42°feels 37°
Evening34°feels 26°
Overnight38°feels 33°
43 °
Dewey, Monday, 26 October
Light rain. High 43°, low 33°.
Pressure30.30 inHg
Wind8 mph S
Humidity78%
Visibility6.2 mi
Dew point35°
Tue, 2761° / 33°0
Morning37°feels 31°
Afternoon61°feels 58°
Evening47°feels 47°
Overnight35°feels 28°
61 °
Dewey, Tuesday, 27 October
Clear. High 61°, low 33°.
Pressure29.83 inHg
Wind19.2 mph W
Humidity32%
Visibility6.2 mi
Dew point24°
Wed, 2858° / 41°0
Morning43°feels 43°
Afternoon58°feels 55°
Evening47°feels 44°
Overnight43°feels 41°
58 °
Dewey, Wednesday, 28 October
Clear. High 58°, low 41°.
Pressure29.97 inHg
Wind5.7 mph NW
Humidity40%
Visibility6.2 mi
Dew point31°
Thu, 2961° / 39°0
Morning43°feels 43°
Afternoon55°feels 53°
Evening53°feels 51°
Overnight39°feels 36°
61 °
Dewey, Thursday, 29 October
Overcast. High 61°, low 39°.
Pressure30.06 inHg
Wind6.3 mph E
Humidity41%
Visibility—
Dew point30°
Fri, 3057° / 45°0
Morning48°feels 46°
Afternoon56°feels 54°
Evening52°feels 51°
Overnight51°feels 49°
57 °
Dewey, Friday, 30 October
Overcast. High 57°, low 45°.
Pressure30.03 inHg
Wind13.9 mph SE
Humidity66%
Visibility—
Dew point44°
Sat, 3166° / 50°0
Morning55°feels 53°
Afternoon62°feels 60°
Evening57°feels 55°
Overnight52°feels 50°
66 °
Dewey, Saturday, 31 October
Overcast. High 66°, low 50°.
Pressure29.88 inHg
Wind11.2 mph W
Humidity41%
Visibility—
Dew point37°
Sun, 0168° / 48°0
Morning53°feels 51°
Afternoon63°feels 61°
Evening61°feels 59°
Overnight54°feels 52°
68 °
Dewey, Sunday, 1 November
Overcast. High 68°, low 48°.
Pressure29.91 inHg
Wind19 mph S
Humidity38%
Visibility—
Dew point35°
Mon, 0256° / 46°0.07
Morning54°feels 52°
Afternoon55°feels 53°
Evening51°feels 49°
Overnight47°feels 40°
56 °
Dewey, Monday, 2 November
Light rain. High 56°, low 46°.
Pressure29.47 inHg
Wind33 mph W
Humidity40%
Visibility—
Dew point31°
Tue, 0358° / 39°0
Morning43°feels 37°
Afternoon51°feels 48°
Evening50°feels 46°
Overnight42°feels 37°
58 °
Dewey, Tuesday, 3 November
Clear. High 58°, low 39°.
Pressure30.09 inHg
Wind13.1 mph NW
Humidity32%
Visibility—
Dew point21°
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.