How is the weather in Summit, SD?

At 9:15 PM on Thu, Sep 4, 2025 it is mostly cloudy and 55 degrees Fahrenheit, feeling like 55 degrees.

Summit, SD Weather Forecast and Current Conditions (57266)

55°F
Feels Like 55°F

Humidity 72% Dew Point 46°F Wind WNW 14 MPH Barometer 29.63 in.752.6 mm

Solar Rad 0 w/m2 Visibility 10 mi.

Report from 23.4 miles ESE of central Summit at 9:15 PM Thu, Sep 4, 2025

Current Weather

55°F
Feels Like 55°F

Humidity 72% Dew Point 46°F Wind WNW 14 MPH Barometer 29.63 in.752.6 mm

Solar Rad 0 w/m2 Visibility 10 mi.

Report from 23.4 miles ESE of central Summit at 9:15 PM Thu, Sep 4, 2025

Forecast at a Glance

ThuSep 4

30%

42°

FriSep 5

20%

54°

41°

SatSep 6

10%

58°

40°

SunSep 7

63°

45°

MonSep 8

10%

72°

57°

TueSep 9

10%

77°

58°

WedSep 10

10%

75°

57°

This Date in Weather History

1939 - A thunderstorm deluged Washington D.C. with 4.4 inches of rain in two hours. September of that year was very dry across much of the nation, and Washington D.C. received more rain in that two hour period than most other places in the country that entire month.

Summit 7 Day Weather Forecast Details

Thursday Sep 4

Night: A chance of rain showers. Mostly cloudy, with a low around 42. Northwest wind 17 to 29 mph, with gusts as high as 46 mph. Chance of precipitation is 30%.

Friday Sep 5

Day: A slight chance of rain showers. Mostly cloudy, with a high near 54. Northwest wind 15 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

Night: A slight chance of rain showers before 7pm. Partly cloudy, with a low around 41. West northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Saturday Sep 6

Day: Mostly sunny, with a high near 58. Northwest wind around 13 mph, with gusts as high as 22 mph.

Night: Mostly clear, with a low around 40. Northwest wind 6 to 12 mph.

Sunday Sep 7

Day: Sunny, with a high near 63. West northwest wind around 6 mph.

Night: Mostly clear, with a low around 45. South wind 6 to 10 mph.

Monday Sep 8

Day: Mostly sunny, with a high near 72. South wind around 14 mph, with gusts as high as 24 mph.

Night: Partly cloudy, with a low around 57. South wind around 12 mph.

Tuesday Sep 9

Day: Mostly sunny, with a high near 77.

Night: Partly cloudy, with a low around 58.

Wednesday Sep 10

Day: Mostly sunny, with a high near 75.

Night: A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 57. Chance of precipitation is 20%.

Thursday Sep 11

Day: A slight chance of showers and thunderstorms. Partly sunny, with a high near 75. Chance of precipitation is 20%.

Sun & Moon Monthly

First Light 6:24 AM

Sunrise 6:55 AM

Sunset 8:02 PM

Last Light 8:32 PM

Moonrise 6:47 PM

Moonset 2:51 AM

Moon Phase

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