10-day forecast for Dewey, SD: 35° to 65°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
65°
Best day: Saturday, October 31
45°
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 2855° / 40°0.06
Morning41°feels 41°
Afternoon54°feels 50°
Evening42°feels 38°
Overnight40°feels 38°
55 °
Dewey, Wednesday, 28 October
Light rain. High 55°, low 40°.
Pressure29.94 inHg
Wind5.7 mph NW
Humidity48%
Visibility6.2 mi
Dew point36°
Thu, 2961° / 39°0
Morning39°feels 39°
Afternoon61°feels 58°
Evening49°feels 46°
Overnight41°feels 39°
61 °
Dewey, Thursday, 29 October
Partly cloudy. High 61°, low 39°.
Pressure30.06 inHg
Wind2.3 mph NW
Humidity39%
Visibility6.2 mi
Dew point32°
Fri, 3058° / 45°0
Morning45°feels 42°
Afternoon57°feels 56°
Evening51°feels 50°
Overnight48°feels 44°
58 °
Dewey, Friday, 30 October
Overcast. High 58°, low 45°.
Pressure30.06 inHg
Wind14 mph SE
Humidity64%
Visibility6.2 mi
Dew point46°
Sat, 3165° / 50°0
Morning51°feels 50°
Afternoon59°feels 57°
Evening55°feels 54°
Overnight51°feels 50°
65 °
Dewey, Saturday, 31 October
Overcast. High 65°, low 50°.
Pressure29.91 inHg
Wind11.1 mph SE
Humidity62%
Visibility—
Dew point45°
Sun, 0162° / 45°0
Morning50°feels 49°
Afternoon59°feels 57°
Evening55°feels 53°
Overnight50°feels 49°
62 °
Dewey, Sunday, 1 November
Light rain. High 62°, low 45°.
Pressure29.85 inHg
Wind11.6 mph SE
Humidity60%
Visibility—
Dew point44°
Mon, 0250° / 36°0.02
Morning46°feels 38°
Afternoon41°feels 30°
Evening37°feels 27°
Overnight38°feels 28°
50 °
Dewey, Monday, 2 November
Light rain. High 50°, low 36°.
Pressure29.94 inHg
Wind27.7 mph NW
Humidity75%
Visibility—
Dew point35°
Tue, 0345° / 37°0
Morning38°feels 29°
Afternoon43°feels 35°
Evening41°feels 36°
Overnight41°feels 39°
45 °
Dewey, Tuesday, 3 November
Overcast. High 45°, low 37°.
Pressure30.27 inHg
Wind19.9 mph NW
Humidity59%
Visibility—
Dew point29°
Wed, 0453° / 42°0
Morning44°feels 44°
Afternoon46°feels 45°
Evening45°feels 40°
Overnight45°feels 42°
53 °
Dewey, Wednesday, 4 November
Overcast. High 53°, low 42°.
Pressure30.15 inHg
Wind9.7 mph SE
Humidity72%
Visibility—
Dew point38°
Thu, 0555° / 41°0
Morning44°feels 41°
Afternoon51°feels 49°
Evening47°feels 47°
Overnight42°feels 42°
55 °
Dewey, Thursday, 5 November
Overcast. High 55°, low 41°.
Pressure30.00 inHg
Wind9.3 mph SE
Humidity53%
Visibility—
Dew point34°
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.