10-day forecast for Summit, SD: 20° to 73°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
73°
Best day: Sunday, October 11
41°
Worst day: Saturday, October 17
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1263° / 46°0.02
Morning48°feels 44°
Afternoon63°feels 62°
Evening52°feels 51°
Overnight49°feels 45°
63 °
Summit, Monday, 12 October
Light rain. High 63°, low 46°.
Pressure29.74 inHg
Wind7.7 mph N
Humidity79%
Visibility6.2 mi
Dew point52°
Tue, 1353° / 44°0.02
Morning45°feels 41°
Afternoon50°feels 48°
Evening47°feels 44°
Overnight47°feels 41°
53 °
Summit, Tuesday, 13 October
Light rain. High 53°, low 44°.
Pressure30.03 inHg
Wind9.7 mph NW
Humidity67%
Visibility6.2 mi
Dew point39°
Wed, 1455° / 41°0
Morning41°feels 38°
Afternoon53°feels 51°
Evening48°feels 46°
Overnight44°feels 41°
55 °
Summit, Wednesday, 14 October
Mostly clear. High 55°, low 41°.
Pressure30.27 inHg
Wind4.6 mph N
Humidity61%
Visibility6.2 mi
Dew point38°
Thu, 1554° / 43°0.02
Morning46°feels 46°
Afternoon53°feels 51°
Evening50°feels 48°
Overnight44°feels 42°
54 °
Summit, Thursday, 15 October
Light rain. High 54°, low 43°.
Pressure30.27 inHg
Wind20.1 mph N
Humidity63%
Visibility—
Dew point40°
Fri, 1651° / 36°0
Morning41°feels 34°
Afternoon47°feels 44°
Evening41°feels 36°
Overnight36°feels 28°
51 °
Summit, Friday, 16 October
Clear. High 51°, low 36°.
Pressure30.71 inHg
Wind16.6 mph N
Humidity52%
Visibility—
Dew point30°
Sat, 1741° / 20°0
Morning25°feels 18°
Afternoon37°feels 34°
Evening33°feels 26°
Overnight29°feels 20°
41 °
Summit, Saturday, 17 October
Clear. High 41°, low 20°.
Pressure30.62 inHg
Wind13.3 mph NW
Humidity29%
Visibility—
Dew point6°
Sun, 1854° / 31°0
Morning37°feels 27°
Afternoon49°feels 42°
Evening49°feels 44°
Overnight44°feels 37°
54 °
Summit, Sunday, 18 October
Overcast. High 54°, low 31°.
Pressure30.03 inHg
Wind21 mph S
Humidity30%
Visibility—
Dew point17°
Mon, 1965° / 44°0
Morning49°feels 47°
Afternoon61°feels 59°
Evening53°feels 50°
Overnight49°feels 46°
65 °
Summit, Monday, 19 October
Overcast. High 65°, low 44°.
Pressure30.00 inHg
Wind11.8 mph SW
Humidity35%
Visibility—
Dew point32°
Tue, 2070° / 47°0
Morning53°feels 49°
Afternoon66°feels 64°
Evening57°feels 55°
Overnight51°feels 49°
70 °
Summit, Tuesday, 20 October
Mostly clear. High 70°, low 47°.
Pressure29.74 inHg
Wind13 mph S
Humidity34%
Visibility—
Dew point35°
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 Summit, 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.