10-day forecast for Grindstone, SD: 34° to 80°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
80°
Best day: Friday, October 23
52°
Worst day: Monday, October 26
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1964° / 34°0
Morning38°feels 33°
Afternoon63°feels 62°
Evening49°feels 46°
Overnight39°feels 35°
64 °
Grindstone, Monday, 19 October
Clear. High 64°, low 34°.
Pressure30.24 inHg
Wind6.7 mph SE
Humidity53%
Visibility6.2 mi
Dew point38°
Tue, 2073° / 38°0
Morning46°feels 42°
Afternoon70°feels 69°
Evening58°feels 57°
Overnight40°feels 35°
73 °
Grindstone, Tuesday, 20 October
Clear. High 73°, low 38°.
Pressure30.00 inHg
Wind9.8 mph S
Humidity51%
Visibility6.2 mi
Dew point47°
Wed, 2166° / 48°0
Morning49°feels 45°
Afternoon65°feels 64°
Evening57°feels 56°
Overnight51°feels 50°
66 °
Grindstone, Wednesday, 21 October
Clear. High 66°, low 48°.
Pressure30.18 inHg
Wind4.8 mph NE
Humidity69%
Visibility6.2 mi
Dew point51°
Thu, 2273° / 51°0
Morning54°feels 54°
Afternoon72°feels 71°
Evening67°feels 67°
Overnight53°feels 52°
73 °
Grindstone, Thursday, 22 October
Overcast. High 73°, low 51°.
Pressure29.91 inHg
Wind13.7 mph SE
Humidity62%
Visibility6.2 mi
Dew point55°
Fri, 2380° / 61°0
Morning65°feels 65°
Afternoon73°feels 73°
Evening67°feels 64°
Overnight64°feels 62°
80 °
Grindstone, Friday, 23 October
Clear. High 80°, low 61°.
Pressure29.50 inHg
Wind18.8 mph SW
Humidity48%
Visibility—
Dew point52°
Sat, 2456° / 47°0
Morning49°feels 44°
Afternoon53°feels 50°
Evening50°feels 46°
Overnight47°feels 42°
56 °
Grindstone, Saturday, 24 October
Clear. High 56°, low 47°.
Pressure30.21 inHg
Wind24.2 mph NW
Humidity36%
Visibility—
Dew point27°
Sun, 2563° / 42°0
Morning47°feels 42°
Afternoon60°feels 57°
Evening54°feels 52°
Overnight50°feels 47°
63 °
Grindstone, Sunday, 25 October
Clear. High 63°, low 42°.
Pressure30.18 inHg
Wind22.9 mph S
Humidity26%
Visibility—
Dew point24°
Mon, 2652° / 47°0.01
Morning49°feels 46°
Afternoon51°feels 50°
Evening48°feels 43°
Overnight47°feels 42°
52 °
Grindstone, Monday, 26 October
Light rain. High 52°, low 47°.
Pressure30.09 inHg
Wind12.1 mph NE
Humidity89%
Visibility—
Dew point49°
Tue, 2753° / 45°0
Morning46°feels 44°
Afternoon49°feels 49°
Evening49°feels 46°
Overnight48°feels 44°
53 °
Grindstone, Tuesday, 27 October
Overcast. High 53°, low 45°.
Pressure30.15 inHg
Wind10.9 mph SE
Humidity86%
Visibility—
Dew point45°
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 Grindstone, 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.