10-day forecast for Altamont, SD: 37° to 65°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
65°
Best day: Sunday, November 1
41° · 0.68 in
Worst day: Monday, October 26
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 2641° / 37°0.68
Morning38°feels 30°
Afternoon40°feels 32°
Evening37°feels 28°
Overnight41°feels 35°
41 °
Altamont, Monday, 26 October
Rain. High 41°, low 37°.
Pressure30.47 inHg
Wind12.5 mph E
Humidity94%
Visibility2.2 mi
Dew point38°
Tue, 2751° / 38°0.33
Morning42°feels 38°
Afternoon49°feels 44°
Evening49°feels 43°
Overnight40°feels 34°
51 °
Altamont, Tuesday, 27 October
Heavy rain. High 51°, low 38°.
Pressure30.03 inHg
Wind11.7 mph SW
Humidity83%
Visibility6.2 mi
Dew point42°
Wed, 2859° / 46°0.25
Morning46°feels 42°
Afternoon59°feels 58°
Evening51°feels 50°
Overnight50°feels 44°
59 °
Altamont, Wednesday, 28 October
Rain. High 59°, low 46°.
Pressure29.97 inHg
Wind0.3 mph S
Humidity80%
Visibility6.2 mi
Dew point52°
Thu, 2958° / 43°0
Morning44°feels 41°
Afternoon55°feels 52°
Evening49°feels 46°
Overnight45°feels 43°
58 °
Altamont, Thursday, 29 October
Clear. High 58°, low 43°.
Pressure30.18 inHg
Wind2.6 mph NE
Humidity62%
Visibility6.2 mi
Dew point40°
Fri, 3057° / 43°0
Morning47°feels 45°
Afternoon55°feels 54°
Evening50°feels 49°
Overnight48°feels 46°
57 °
Altamont, Friday, 30 October
Mostly clear. High 57°, low 43°.
Pressure30.21 inHg
Wind9 mph NE
Humidity68%
Visibility—
Dew point44°
Sat, 3156° / 49°0.48
Morning53°feels 53°
Afternoon56°feels 56°
Evening54°feels 53°
Overnight53°feels 53°
56 °
Altamont, Saturday, 31 October
Rain. High 56°, low 49°.
Pressure29.97 inHg
Wind7 mph NE
Humidity99%
Visibility—
Dew point55°
Sun, 0165° / 52°0.01
Morning55°feels 55°
Afternoon62°feels 61°
Evening56°feels 56°
Overnight55°feels 55°
65 °
Altamont, Sunday, 1 November
Light rain. High 65°, low 52°.
Pressure30.03 inHg
Wind10.4 mph S
Humidity66%
Visibility—
Dew point50°
Mon, 0260° / 54°0.04
Morning56°feels 56°
Afternoon59°feels 58°
Evening59°feels 58°
Overnight54°feels 53°
60 °
Altamont, Monday, 2 November
Light rain. High 60°, low 54°.
Pressure29.50 inHg
Wind19.5 mph SE
Humidity92%
Visibility—
Dew point56°
Tue, 0353° / 46°0
Morning49°feels 43°
Afternoon52°feels 49°
Evening48°feels 41°
Overnight46°feels 39°
53 °
Altamont, Tuesday, 3 November
Light rain. High 53°, low 46°.
Pressure29.80 inHg
Wind26.3 mph W
Humidity53%
Visibility—
Dew point36°
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 Altamont, 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.