What is the weather in Jefferson right now?

Current weather in Jefferson is scattered clouds.

Where can I find the hourly weather forecast for Jefferson?

This page shows hourly weather forecast for Jefferson, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Jefferson updated regularly?

Weather data for Jefferson is updated regularly with the latest available observations and forecasts.

Now · 1:52 AM

Jefferson Weather & Hourly Forecast

United States · South Dakota · 57038

58°F

Partly cloudy night

Feels like: 55°F

💧 Humidity 91% 🌡 Pressure 30.27 inHg 💨 Wind 9 mph 👁 Visibility 15.6 mi ☁ Clouds 43% ☀️ UV index 0.0 · Low 🌅 Sunrise 7:13 AM 🌇 Sunset 7:23 PM

Hourly Forecast for Jefferson

Today

2:00 AM

Partly cloudy night

58° 💧 0.000 in 💨 9 mph H 91%30.27 inHg

5:00 AM

Overcast night

58° 💧 None 💨 9 mph H 92%30.27 inHg

8:00 AM

Overcast

59° 💧 0.001 in 💨 10 mph H 90%30.30 inHg

11:00 AM

Overcast

62° 💧 0.003 in 💨 13 mph H 81%30.30 inHg

2:00 PM

Overcast

66° 💧 0.007 in 💨 14 mph H 71%30.27 inHg

5:00 PM

Light rain

67° 💧 0.023 in 💨 12 mph H 71%30.21 inHg

8:00 PM

Overcast night

63° 💧 None 💨 11 mph H 80%30.21 inHg

11:00 PM

Mostly cloudy night

63° 💧 None 💨 10 mph H 79%30.24 inHg

Tomorrow

2:00 AM

Light rain

61° 💧 0.177 in 💨 10 mph H 85%30.24 inHg

5:00 AM

Moderate rain

59° 💧 0.514 in 💨 13 mph H 94%30.21 inHg

8:00 AM

Moderate rain

58° 💧 0.497 in 💨 12 mph H 95%30.21 inHg

11:00 AM

Light rain

59° 💧 0.094 in 💨 13 mph H 95%30.24 inHg

2:00 PM

Overcast

62° 💧 0.004 in 💨 13 mph H 86%30.18 inHg

5:00 PM

Overcast

63° 💧 0.001 in 💨 8 mph H 86%30.15 inHg

8:00 PM

Overcast night

62° 💧 0.001 in 💨 9 mph H 92%30.15 inHg

11:00 PM

Overcast night

62° 💧 0.008 in 💨 8 mph H 94%30.18 inHg

Today

2:00 AM

Partly cloudy night

58° 💧 0.000 in 💨 9 mph H 91%30.27 inHg

3:00 AM

Partly cloudy night

57° 💧 None 💨 8 mph H 93%30.27 inHg

4:00 AM

Overcast night

57° 💧 None 💨 8 mph H 94%30.27 inHg

5:00 AM

Overcast night

58° 💧 None 💨 9 mph H 92%30.27 inHg

6:00 AM

Overcast night

58° 💧 None 💨 9 mph H 91%30.27 inHg

7:00 AM

Overcast night

59° 💧 None 💨 9 mph H 91%30.30 inHg

8:00 AM

Overcast

59° 💧 0.000 in 💨 10 mph H 90%30.30 inHg

9:00 AM

Overcast

60° 💧 None 💨 11 mph H 88%30.30 inHg

10:00 AM

Overcast

61° 💧 0.000 in 💨 13 mph H 85%30.30 inHg

11:00 AM

Overcast

62° 💧 0.001 in 💨 13 mph H 81%30.30 inHg

12:00 PM

Overcast

63° 💧 0.001 in 💨 13 mph H 77%30.30 inHg

1:00 PM

Overcast

65° 💧 0.001 in 💨 14 mph H 74%30.30 inHg

2:00 PM

Overcast

66° 💧 0.001 in 💨 14 mph H 71%30.27 inHg

3:00 PM

Overcast

67° 💧 None 💨 13 mph H 69%30.24 inHg

4:00 PM

Light rain

67° 💧 0.007 in 💨 12 mph H 68%30.24 inHg

5:00 PM

Light rain

67° 💧 0.014 in 💨 12 mph H 71%30.21 inHg

6:00 PM

Light rain

66° 💧 0.006 in 💨 10 mph H 75%30.21 inHg

7:00 PM

Mostly cloudy

64° 💧 0.003 in 💨 10 mph H 80%30.21 inHg

8:00 PM

Overcast night

63° 💧 None 💨 11 mph H 80%30.21 inHg

9:00 PM

Overcast night

63° 💧 None 💨 10 mph H 79%30.24 inHg

10:00 PM

Overcast night

63° 💧 None 💨 9 mph H 79%30.24 inHg

11:00 PM

Mostly cloudy night

63° 💧 None 💨 10 mph H 79%30.24 inHg

Tomorrow

12:00 AM

Overcast night

62° 💧 None 💨 10 mph H 79%30.24 inHg

1:00 AM

Overcast night

62° 💧 None 💨 10 mph H 80%30.24 inHg

2:00 AM

Light rain

61° 💧 0.008 in 💨 10 mph H 85%30.24 inHg

3:00 AM

Light rain

60° 💧 0.026 in 💨 11 mph H 92%30.24 inHg

4:00 AM

Moderate rain

59° 💧 0.143 in 💨 11 mph H 94%30.21 inHg

5:00 AM

Moderate rain

59° 💧 0.127 in 💨 13 mph H 94%30.21 inHg

6:00 AM

Moderate rain

59° 💧 0.231 in 💨 13 mph H 94%30.21 inHg

7:00 AM

Moderate rain

59° 💧 0.156 in 💨 12 mph H 94%30.21 inHg

8:00 AM

Moderate rain

58° 💧 0.176 in 💨 12 mph H 95%30.21 inHg

9:00 AM

Moderate rain

58° 💧 0.177 in 💨 11 mph H 95%30.24 inHg

10:00 AM

Moderate rain

59° 💧 0.144 in 💨 12 mph H 95%30.24 inHg

11:00 AM

Light rain

59° 💧 0.069 in 💨 13 mph H 95%30.24 inHg

12:00 PM

Light rain

60° 💧 0.020 in 💨 12 mph H 95%30.21 inHg

1:00 PM

Light rain

61° 💧 0.006 in 💨 14 mph H 91%30.21 inHg

2:00 PM

Overcast

62° 💧 0.003 in 💨 13 mph H 86%30.18 inHg

3:00 PM

Overcast

63° 💧 0.001 in 💨 12 mph H 84%30.18 inHg

4:00 PM

Overcast

64° 💧 None 💨 11 mph H 83%30.15 inHg

5:00 PM

Overcast

63° 💧 None 💨 8 mph H 86%30.15 inHg

6:00 PM

Overcast

63° 💧 None 💨 8 mph H 89%30.15 inHg

7:00 PM

Overcast

63° 💧 0.001 in 💨 9 mph H 90%30.15 inHg

8:00 PM

Overcast night

62° 💧 0.001 in 💨 9 mph H 92%30.15 inHg

9:00 PM

Overcast night

62° 💧 0.001 in 💨 9 mph H 93%30.18 inHg

10:00 PM

Overcast night

62° 💧 None 💨 8 mph H 93%30.18 inHg

11:00 PM

Overcast night

62° 💧 0.002 in 💨 8 mph H 94%30.18 inHg

Friday

12:00 AM

Overcast night

62° 💧 0.002 in 💨 9 mph H 95%30.18 inHg

1:00 AM

Overcast night

62° 💧 0.004 in 💨 8 mph H 95%30.18 inHg

2:00 AM

Light rain

62° 💧 0.005 in 💨 9 mph H 96%30.18 inHg

3:00 AM

Overcast night

61° 💧 0.003 in 💨 8 mph H 96%30.18 inHg

4:00 AM

Overcast night

61° 💧 0.001 in 💨 8 mph H 96%30.15 inHg

5:00 AM

Overcast night

61° 💧 0.001 in 💨 9 mph H 96%30.15 inHg

6:00 AM

Overcast night

61° 💧 None 💨 8 mph H 95%30.15 inHg

7:00 AM

Overcast night

61° 💧 None 💨 9 mph H 95%30.15 inHg

8:00 AM

Overcast

61° 💧 None 💨 9 mph H 94%30.18 inHg

9:00 AM

Overcast

62° 💧 None 💨 8 mph H 91%30.18 inHg

10:00 AM

Overcast

63° 💧 None 💨 10 mph H 87%30.18 inHg

11:00 AM

Overcast

65° 💧 None 💨 12 mph H 82%30.18 inHg

12:00 PM

Overcast

66° 💧 None 💨 12 mph H 79%30.18 inHg

1:00 PM

Overcast

66° 💧 0.001 in 💨 12 mph H 78%30.15 inHg

2:00 PM

Overcast

67° 💧 None 💨 13 mph H 77%30.12 inHg

3:00 PM

Overcast

67° 💧 0.001 in 💨 14 mph H 76%30.12 inHg

4:00 PM

Mostly cloudy

67° 💧 0.001 in 💨 13 mph H 76%30.09 inHg

5:00 PM

Overcast

67° 💧 None 💨 13 mph H 74%30.06 inHg

6:00 PM

Overcast

67° 💧 None 💨 12 mph H 76%30.09 inHg

7:00 PM

Overcast

66° 💧 None 💨 11 mph H 78%30.06 inHg

10:00 PM

Moderate rain

61° 💧 None 💨 14 mph H 96%30.00 inHg

Saturday

1:00 AM

Light rain

62° 💧 None 💨 14 mph H 96%29.97 inHg

4:00 AM

Light rain

63° 💧 None 💨 14 mph H 96%29.91 inHg

7:00 AM

Overcast night

63° 💧 None 💨 13 mph H 94%29.88 inHg

10:00 AM

Overcast

66° 💧 None 💨 11 mph H 86%29.88 inHg

1:00 PM

Overcast

72° 💧 None 💨 10 mph H 77%29.85 inHg

4:00 PM

Mostly cloudy

76° 💧 None 💨 10 mph H 73%29.83 inHg

7:00 PM

Mostly sunny

72° 💧 None 💨 5 mph H 84%29.83 inHg

10:00 PM

Clear night

68° 💧 None 💨 7 mph H 93%29.88 inHg

Sunday

1:00 AM

Mostly cloudy night

66° 💧 None 💨 5 mph H 96%29.91 inHg

4:00 AM

Overcast night

65° 💧 None 💨 4 mph H 98%29.91 inHg

7:00 AM

Overcast night

65° 💧 None 💨 2 mph H 98%29.94 inHg

10:00 AM

Overcast

69° 💧 None 💨 4 mph H 91%29.97 inHg

1:00 PM

Overcast

76° 💧 None 💨 5 mph H 74%29.94 inHg

4:00 PM

Mostly cloudy

79° 💧 None 💨 6 mph H 66%29.88 inHg

7:00 PM

Sunny

73° 💧 None 💨 4 mph H 80%29.88 inHg

10:00 PM

Mostly cloudy night

68° 💧 None 💨 6 mph H 87%29.88 inHg

Monday

1:00 AM

Mostly cloudy night

66° 💧 None 💨 9 mph H 91%29.83 inHg

4:00 AM

Mostly clear night

65° 💧 None 💨 9 mph H 96%29.83 inHg

7:00 AM

Overcast night

64° 💧 None 💨 7 mph H 99%29.80 inHg

10:00 AM

Light thunderstorms

65° 💧 None 💨 6 mph H 97%29.83 inHg

1:00 PM

Overcast

70° 💧 None 💨 8 mph H 87%29.77 inHg

7:00 PM

Sunny

77° 💧 None 💨 9 mph H 75%29.83 inHg

Tuesday

1:00 AM

Overcast night

75° 💧 None 💨 6 mph H 77%29.71 inHg

7:00 AM

Light thunderstorms

64° 💧 None 💨 16 mph H 98%29.71 inHg

1:00 PM

Light rain

64° 💧 None 💨 5 mph H 97%29.68 inHg

7:00 PM

Overcast

67° 💧 None 💨 13 mph H 83%29.74 inHg

Wednesday

1:00 AM

Overcast night

65° 💧 None 💨 11 mph H 75%29.80 inHg

7:00 AM

Overcast night

61° 💧 None 💨 10 mph H 63%29.83 inHg

1:00 PM

Sunny

52° 💧 None 💨 7 mph H 75%29.88 inHg

7:00 PM

Sunny

66° 💧 None 💨 9 mph H 53%29.88 inHg

Thursday

1:00 AM

Clear night

61° 💧 None 💨 4 mph H 69%29.83 inHg

7:00 AM

Partly cloudy night

55° 💧 None 💨 3 mph H 91%29.83 inHg

1:00 PM

Mostly cloudy

56° 💧 None 💨 1 mph H 96%29.80 inHg

7:00 PM

Overcast

68° 💧 None 💨 7 mph H 69%29.77 inHg

Friday

1:00 AM

Clear night

65° 💧 None 💨 3 mph H 80%29.74 inHg

7:00 AM

Partly cloudy night

61° 💧 None 💨 17 mph H 65%29.85 inHg

1:00 PM

Sunny

53° 💧 None 💨 9 mph H 69%29.88 inHg

7:00 PM

Sunny

66° 💧 None 💨 17 mph H 41%29.80 inHg

Saturday

1:00 AM

Mostly clear night

58° 💧 None 💨 15 mph H 57%29.71 inHg

7:00 AM

Partly cloudy night

54° 💧 None 💨 14 mph H 81%29.68 inHg

1:00 PM

Light rain

54° 💧 None 💨 19 mph H 84%29.74 inHg

7:00 PM

Overcast

57° 💧 None 💨 21 mph H 66%29.83 inHg

Sunday

1:00 AM

Mostly clear night

56° 💧 None 💨 15 mph H 64%29.88 inHg

7:00 AM

Partly cloudy night

51° 💧 None 💨 10 mph H 74%29.97 inHg

1:00 PM

Mostly sunny

46° 💧 None 💨 6 mph H 85%30.06 inHg

7:00 PM

Partly cloudy

56° 💧 None 💨 7 mph H 59%30.06 inHg

Monday

1:00 AM

Mostly clear night

55° 💧 None 💨 1 mph H 74%30.00 inHg

7:00 AM

Clear night

46° 💧 None 💨 3 mph H 89%30.06 inHg

1:00 PM

Sunny

43° 💧 None 💨 4 mph H 94%30.09 inHg

7:00 PM

Mostly sunny

60° 💧 None 💨 8 mph H 61%30.03 inHg

Tuesday

1:00 AM

Overcast night

58° 💧 None 💨 9 mph H 69%29.94 inHg

7:00 AM

Light rain

53° 💧 None 💨 11 mph H 81%30.00 inHg

1:00 PM

Moderate rain

50° 💧 None 💨 13 mph H 93%29.97 inHg

7:00 PM

Light rain

53° 💧 None 💨 14 mph H 92%29.97 inHg

Wednesday

1:00 AM

Overcast night

54° 💧 None 💨 14 mph H 82%29.91 inHg

7:00 AM

Moderate rain

53° 💧 None 💨 13 mph H 86%29.91 inHg

1:00 PM

Moderate rain

52° 💧 None 💨 12 mph H 94%29.88 inHg

In Jefferson and, more broadly, across the state of South Dakota: This morning will start with mostly cloudy skies and cool temperatures around 52 to 56 degrees Fahrenheit. Winds will be coming from the east at about 10 mph, with gusts reaching up to 17 mph. There is a possibility of light rain throughout the day, with total accumulation around 0.16 inches. As the afternoon progresses, the cloudy conditions are expected to persist, and the chance of rain remains high. Temperatures are likely to stay in the same cool range, and breezes from the east will continue at similar speeds. Overall, it will be a damp, breezy day with limited sunshine. Be prepared for possible showers if you're heading outdoors.

15-Day Weather Outlook for Jefferson

TomorrowTomorrow

Overcast 64°/58° 💧 None 💨 14 mph

Friday, Sep 25Fri Sep 25

Moderate rain 67°/61° 💧 0.258 in 💨 14 mph

Saturday, Sep 26Sat Sep 26

Light rain 76°/62° 💧 0.378 in 💨 14 mph

Sunday, Sep 27Sun Sep 27

Overcast 79°/65° 💧 0.007 in 💨 6 mph

Monday, Sep 28Mon Sep 28

Light thunderstorms 77°/64° 💧 0.359 in 💨 9 mph

Tuesday, Sep 29Tue Sep 29

Light thunderstorms 75°/64° 💧 1.337 in 💨 16 mph

Wednesday, Sep 30Wed Sep 30

Overcast 66°/52° 💧 0.002 in 💨 11 mph

Thursday, Oct 1Thu Oct 1

Overcast 68°/55° 💧 0.001 in 💨 7 mph

Friday, Oct 2Fri Oct 2

Partly cloudy 66°/53° 💧 0.046 in 💨 17 mph

Saturday, Oct 3Sat Oct 3

Light rain 58°/54° 💧 0.085 in 💨 21 mph

Sunday, Oct 4Sun Oct 4

Mostly sunny 56°/46° 💧 0.001 in 💨 15 mph

Monday, Oct 5Mon Oct 5

Mostly sunny 60°/43° 💧 None 💨 8 mph

Tuesday, Oct 6Tue Oct 6

Moderate rain 58°/50° 💧 0.521 in 💨 14 mph

Wednesday, Oct 7Wed Oct 7

Moderate rain 54°/52° 💧 0.285 in 💨 14 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Jefferson

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Jefferson

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 2:00 AM

PM2.5 Fine particles Good 2,1µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 2,4µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 39,3µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 4,0µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Jefferson

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 5,5Moderate 😊Good

Tomorrow UV 0,3Low 🙂Fair

Friday UV 1,4Low 🙂Fair

Saturday UV 2,5Low 🙂Fair

Sunday UV 5,0Moderate 😊Good

Monday UV 5,0Moderate —Unavailable

Tuesday UV 3,0Moderate —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,1 9:00 AMUV 0,6 10:00 AMUV 1,7 11:00 AMUV 2,9 12:00 PMUV 4,7 1:00 PMUV 5,5 2:00 PMUV 4,8 3:00 PMUV 4,2 4:00 PMUV 3,0 5:00 PMUV 1,5 6:00 PMUV 0,5

Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Jefferson

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · JEFFERSON, SOUTH DAKOTA

Tonight's Stargazing & Shooting Stars

Fair observing conditions. Best local viewing window: 2:00 AM–3:00 AM.

62/100Best-hour score

BEST TIME TONIGHT 2:00 AM–3:00 AM Astronomical darkness: 8:58 PM–5:40 AM

☁ Cloud cover 43% Real hourly forecast for the best viewing hour.

☾ Moonlight 88% Waxing Gibbous · Moon about 16° above the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 45° high at the best hour.

✦ Estimated visible meteors 0–1/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min28%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

Bouvard AU · Western Australia · 910 residents Fairfield (NSW) AU · New South Wales · 18,596 residents Madison US · South Dakota · 6,094 residents Baton Rouge US · Louisiana · 222,771 residents Allhallows GB · England · 1,685 residents North Bendigo AU · Victoria · 4,277 residents Pinhook Corner US · Oklahoma · 79 residents Kewanna US · Indiana · 533 residents East Gull Lake US · Minnesota · 1,076 residents Mondamin US · Iowa · 403 residents Salamonia US · Indiana · 218 residents Algoma US · Wisconsin · 3,228 residents Lawrence US · Kansas · 96,051 residents East Salem US · Pennsylvania · 115 residents Southbourne GB · England · 4,155 residents Lapford GB · England · 990 residents

Forecast data for Jefferson were last refreshed today at 1:52 AM. The current forecast period extends through 24/09/2026 at 11:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.