How is the weather in Jefferson, SD?

At 6:31 AM on Fri, Sep 19, 2025 it is clear and 57 degrees Fahrenheit, feeling like 57 degrees.

Jefferson, SD Weather Forecast and Current Conditions (57038)

57°F
Feels Like 57°F

Humidity 99% Dew Point 57°F Wind SW 1 MPH Gusts 2 Barometer 29.65 in.753.1 mm

Solar Rad 0 w/m2 UV Index 0

Report from 3.8 miles S of central Jefferson at 6:31 AM Fri, Sep 19, 2025

Current Weather

57°F
Feels Like 57°F

Humidity 99% Dew Point 57°F Wind SW 1 MPH Gusts 2 Barometer 29.65 in.753.1 mm

Solar Rad 0 w/m2 UV Index 0

Report from 3.8 miles S of central Jefferson at 6:31 AM Fri, Sep 19, 2025

Forecast at a Glance

FriSep 19

20%

71°

55°

SatSep 20

10%

74°

55°

SunSep 21

20%

78°

58°

MonSep 22

20%

81°

60°

TueSep 23

30%

74°

58°

WedSep 24

20%

74°

54°

ThuSep 25

10%

75°

54°

This Date in Weather History

1987 - Cool autumn-like weather invaded the Central Rockies. Temperatures dipped into the 30s and 40s, with readings in the teens and 20s reported in the higher elevations. Gunnison CO was the cold spot in the nation with a morning low of 15 degrees.

Jefferson 7 Day Weather Forecast Details

Friday Sep 19

Day: A slight chance of rain showers after 5pm. Mostly cloudy, with a high near 71. West wind 5 to 10 mph. Chance of precipitation is 20%.

Night: A slight chance of rain showers before 7pm, then a slight chance of showers and thunderstorms between 7pm and 5am. Partly cloudy, with a low around 55. West southwest wind around 5 mph. Chance of precipitation is 20%.

Saturday Sep 20

Day: Partly sunny, with a high near 74. West southwest wind around 5 mph.

Night: Partly cloudy, with a low around 55. South southwest wind 0 to 5 mph.

Sunday Sep 21

Day: A slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 78. South wind 0 to 5 mph. Chance of precipitation is 20%.

Night: A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 58. South wind around 5 mph. Chance of precipitation is 20%.

Monday Sep 22

Day: A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 81.

Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.

Tuesday Sep 23

Day: A chance of rain showers. Mostly cloudy, with a high near 74. Chance of precipitation is 30%.

Night: A chance of rain showers. Partly cloudy, with a low around 58. Chance of precipitation is 30%.

Wednesday Sep 24

Day: A slight chance of rain showers. Mostly sunny, with a high near 74.

Night: A slight chance of rain showers before 7pm. Partly cloudy, with a low around 54.

Thursday Sep 25

Day: Mostly sunny, with a high near 75.

Night: Mostly clear, with a low around 54.

Sun & Moon Monthly

First Light 6:43 AM

Sunrise 7:11 AM

Sunset 7:30 PM

Last Light 7:58 PM

Moonrise 4:51 AM

Moonset 6:46 PM

Moon Phase

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