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Current weather in Hartford is overcast clouds.

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

Now · 10:32 AM

Hartford Weather & Hourly Forecast

United States · South Dakota · 57033

55°F

Overcast

Feels like: 52°F

💧 Humidity 91% 🌡 Pressure 30.30 inHg 💨 Wind 8 mph 👁 Visibility 7.6 mi ☁ Clouds 100% ☀️ UV index 0.1 · Low 🌅 Sunrise 7:13 AM 🌇 Sunset 7:26 PM

Hourly Forecast for Hartford

Today

11:00 AM

Overcast

55° 💧 0.004 in 💨 8 mph H 91%30.30 inHg

2:00 PM

Overcast

60° 💧 0.003 in 💨 9 mph H 75%30.27 inHg

5:00 PM

Overcast

62° 💧 0.001 in 💨 9 mph H 70%30.21 inHg

8:00 PM

Overcast night

59° 💧 None 💨 10 mph H 77%30.24 inHg

11:00 PM

Overcast night

57° 💧 0.009 in 💨 9 mph H 84%30.30 inHg

Tomorrow

2:00 AM

Partly cloudy night

56° 💧 0.000 in 💨 10 mph H 90%30.27 inHg

5:00 AM

Partly cloudy night

55° 💧 None 💨 10 mph H 90%30.27 inHg

8:00 AM

Mostly cloudy

54° 💧 0.001 in 💨 9 mph H 94%30.30 inHg

11:00 AM

Overcast

58° 💧 0.001 in 💨 13 mph H 82%30.30 inHg

2:00 PM

Overcast

65° 💧 None 💨 15 mph H 67%30.24 inHg

5:00 PM

Overcast

64° 💧 None 💨 16 mph H 69%30.21 inHg

8:00 PM

Overcast night

61° 💧 None 💨 11 mph H 77%30.21 inHg

11:00 PM

Overcast night

60° 💧 0.017 in 💨 13 mph H 79%30.24 inHg

Thursday

2:00 AM

Light rain

59° 💧 0.128 in 💨 12 mph H 86%30.21 inHg

5:00 AM

Light rain

57° 💧 0.086 in 💨 14 mph H 93%30.18 inHg

8:00 AM

Overcast

58° 💧 None 💨 11 mph H 93%30.18 inHg

Today

11:00 AM

Overcast

55° 💧 0.001 in 💨 8 mph H 91%30.30 inHg

12:00 PM

Overcast

56° 💧 0.002 in 💨 8 mph H 88%30.30 inHg

1:00 PM

Overcast

57° 💧 0.001 in 💨 9 mph H 83%30.30 inHg

2:00 PM

Overcast

60° 💧 0.002 in 💨 9 mph H 75%30.27 inHg

3:00 PM

Overcast

61° 💧 0.001 in 💨 10 mph H 73%30.24 inHg

4:00 PM

Overcast

62° 💧 0.001 in 💨 10 mph H 70%30.24 inHg

5:00 PM

Overcast

62° 💧 0.001 in 💨 9 mph H 70%30.21 inHg

6:00 PM

Overcast

61° 💧 0.000 in 💨 10 mph H 72%30.21 inHg

7:00 PM

Overcast

60° 💧 None 💨 9 mph H 75%30.21 inHg

8:00 PM

Overcast night

59° 💧 None 💨 10 mph H 77%30.24 inHg

9:00 PM

Overcast night

58° 💧 None 💨 9 mph H 79%30.27 inHg

10:00 PM

Overcast night

58° 💧 None 💨 9 mph H 81%30.27 inHg

11:00 PM

Overcast night

57° 💧 0.002 in 💨 9 mph H 84%30.30 inHg

Tomorrow

12:00 AM

Light rain

57° 💧 0.005 in 💨 10 mph H 87%30.30 inHg

1:00 AM

Overcast night

57° 💧 0.002 in 💨 11 mph H 89%30.27 inHg

2:00 AM

Partly cloudy night

56° 💧 None 💨 10 mph H 90%30.27 inHg

3:00 AM

Mostly cloudy night

54° 💧 None 💨 9 mph H 93%30.27 inHg

4:00 AM

Overcast night

55° 💧 0.000 in 💨 9 mph H 91%30.27 inHg

5:00 AM

Partly cloudy night

55° 💧 None 💨 10 mph H 90%30.27 inHg

6:00 AM

Mostly clear night

54° 💧 None 💨 10 mph H 94%30.27 inHg

7:00 AM

Partly cloudy night

53° 💧 None 💨 9 mph H 96%30.30 inHg

8:00 AM

Mostly cloudy

54° 💧 None 💨 9 mph H 94%30.30 inHg

9:00 AM

Mostly cloudy

56° 💧 None 💨 11 mph H 89%30.30 inHg

10:00 AM

Overcast

57° 💧 0.001 in 💨 13 mph H 85%30.30 inHg

11:00 AM

Overcast

58° 💧 None 💨 13 mph H 82%30.30 inHg

12:00 PM

Overcast

63° 💧 0.001 in 💨 14 mph H 72%30.30 inHg

1:00 PM

Overcast

63° 💧 None 💨 15 mph H 70%30.27 inHg

2:00 PM

Overcast

65° 💧 None 💨 15 mph H 67%30.24 inHg

3:00 PM

Overcast

65° 💧 None 💨 14 mph H 69%30.24 inHg

4:00 PM

Overcast

65° 💧 None 💨 15 mph H 68%30.21 inHg

5:00 PM

Overcast

64° 💧 None 💨 16 mph H 69%30.21 inHg

6:00 PM

Overcast

63° 💧 None 💨 13 mph H 72%30.21 inHg

7:00 PM

Overcast

62° 💧 None 💨 12 mph H 75%30.21 inHg

8:00 PM

Overcast night

61° 💧 None 💨 11 mph H 77%30.21 inHg

9:00 PM

Overcast night

60° 💧 None 💨 11 mph H 78%30.24 inHg

10:00 PM

Overcast night

60° 💧 None 💨 12 mph H 78%30.24 inHg

11:00 PM

Overcast night

60° 💧 0.001 in 💨 13 mph H 79%30.24 inHg

Thursday

12:00 AM

Light thunderstorms

59° 💧 0.014 in 💨 14 mph H 84%30.21 inHg

1:00 AM

Overcast night

59° 💧 0.002 in 💨 12 mph H 85%30.21 inHg

2:00 AM

Light rain

59° 💧 0.008 in 💨 12 mph H 86%30.21 inHg

3:00 AM

Light rain

58° 💧 0.031 in 💨 11 mph H 91%30.21 inHg

4:00 AM

Light rain

57° 💧 0.089 in 💨 12 mph H 92%30.21 inHg

5:00 AM

Light rain

57° 💧 0.079 in 💨 14 mph H 93%30.18 inHg

6:00 AM

Light rain

57° 💧 0.006 in 💨 11 mph H 93%30.21 inHg

7:00 AM

Overcast night

57° 💧 0.001 in 💨 11 mph H 93%30.18 inHg

8:00 AM

Overcast

58° 💧 None 💨 11 mph H 93%30.18 inHg

9:00 AM

Overcast

58° 💧 None 💨 11 mph H 92%30.18 inHg

10:00 AM

Overcast

59° 💧 None 💨 12 mph H 89%30.18 inHg

11:00 AM

Overcast

60° 💧 None 💨 13 mph H 88%30.18 inHg

12:00 PM

Overcast

62° 💧 0.001 in 💨 13 mph H 84%30.18 inHg

1:00 PM

Overcast

63° 💧 None 💨 13 mph H 83%30.18 inHg

2:00 PM

Overcast

64° 💧 0.001 in 💨 11 mph H 82%30.15 inHg

3:00 PM

Overcast

64° 💧 0.001 in 💨 9 mph H 84%30.15 inHg

4:00 PM

Overcast

64° 💧 None 💨 9 mph H 84%30.15 inHg

5:00 PM

Overcast

64° 💧 None 💨 9 mph H 85%30.15 inHg

6:00 PM

Overcast

64° 💧 None 💨 7 mph H 85%30.15 inHg

7:00 PM

Overcast

63° 💧 0.001 in 💨 5 mph H 88%30.15 inHg

Friday

4:00 AM

Overcast night

59° 💧 None 💨 10 mph H 93%30.15 inHg

7:00 AM

Light rain

59° 💧 None 💨 10 mph H 93%30.18 inHg

10:00 AM

Light rain

59° 💧 None 💨 12 mph H 96%30.15 inHg

1:00 PM

Overcast

63° 💧 None 💨 16 mph H 84%30.12 inHg

4:00 PM

Light rain

65° 💧 None 💨 19 mph H 78%30.03 inHg

7:00 PM

Light rain

62° 💧 None 💨 15 mph H 90%30.03 inHg

10:00 PM

Light rain

61° 💧 None 💨 15 mph H 93%30.00 inHg

Saturday

1:00 AM

Light rain

61° 💧 None 💨 15 mph H 96%29.94 inHg

4:00 AM

Moderate rain

62° 💧 None 💨 13 mph H 97%29.88 inHg

7:00 AM

Light rain

63° 💧 None 💨 12 mph H 97%29.88 inHg

10:00 AM

Overcast

64° 💧 None 💨 12 mph H 97%29.88 inHg

1:00 PM

Overcast

69° 💧 None 💨 13 mph H 86%29.85 inHg

4:00 PM

Mostly cloudy

72° 💧 None 💨 10 mph H 81%29.83 inHg

7:00 PM

Sunny

70° 💧 None 💨 7 mph H 89%29.85 inHg

10:00 PM

Clear night

67° 💧 None 💨 7 mph H 95%29.88 inHg

Sunday

1:00 AM

Clear night

65° 💧 None 💨 7 mph H 97%29.91 inHg

4:00 AM

Clear night

64° 💧 None 💨 5 mph H 99%29.91 inHg

7:00 AM

Overcast night

63° 💧 None 💨 6 mph H 100%29.91 inHg

10:00 AM

Overcast

67° 💧 None 💨 8 mph H 95%29.94 inHg

1:00 PM

Partly cloudy

78° 💧 None 💨 10 mph H 72%29.91 inHg

4:00 PM

Partly cloudy

80° 💧 None 💨 9 mph H 65%29.88 inHg

7:00 PM

Sunny

74° 💧 None 💨 6 mph H 80%29.85 inHg

10:00 PM

Clear night

68° 💧 None 💨 7 mph H 92%29.88 inHg

Monday

1:00 AM

Clear night

67° 💧 None 💨 9 mph H 96%29.88 inHg

7:00 AM

Clear night

67° 💧 None 💨 9 mph H 95%29.91 inHg

1:00 PM

Overcast

65° 💧 None 💨 9 mph H 99%29.88 inHg

7:00 PM

Overcast

67° 💧 None 💨 11 mph H 91%29.88 inHg

Tuesday

1:00 AM

Overcast night

72° 💧 None 💨 3 mph H 85%29.83 inHg

7:00 AM

Light rain

63° 💧 None 💨 6 mph H 97%29.85 inHg

1:00 PM

Overcast

63° 💧 None 💨 7 mph H 97%29.85 inHg

7:00 PM

Moderate rain

64° 💧 None 💨 8 mph H 93%29.85 inHg

Wednesday

1:00 AM

Light rain

63° 💧 None 💨 11 mph H 91%29.83 inHg

7:00 AM

Light rain

61° 💧 None 💨 10 mph H 95%29.85 inHg

1:00 PM

Light rain

60° 💧 None 💨 9 mph H 95%29.88 inHg

7:00 PM

Overcast

62° 💧 None 💨 11 mph H 86%29.91 inHg

Thursday

1:00 AM

Overcast night

62° 💧 None 💨 10 mph H 94%29.91 inHg

7:00 AM

Light rain

60° 💧 None 💨 10 mph H 90%29.94 inHg

1:00 PM

Moderate rain

59° 💧 None 💨 9 mph H 94%29.94 inHg

7:00 PM

Light rain

63° 💧 None 💨 8 mph H 92%29.94 inHg

Friday

1:00 AM

Partly cloudy night

66° 💧 None 💨 5 mph H 89%29.88 inHg

7:00 AM

Overcast night

64° 💧 None 💨 9 mph H 98%29.91 inHg

1:00 PM

Overcast

64° 💧 None 💨 7 mph H 99%29.94 inHg

7:00 PM

Light rain

73° 💧 None 💨 12 mph H 79%29.94 inHg

Saturday

1:00 AM

Mostly clear night

71° 💧 None 💨 6 mph H 85%29.85 inHg

7:00 AM

Mostly clear night

67° 💧 None 💨 11 mph H 93%29.88 inHg

1:00 PM

Sunny

66° 💧 None 💨 11 mph H 96%29.85 inHg

7:00 PM

Mostly cloudy

73° 💧 None 💨 12 mph H 79%29.83 inHg

Sunday

1:00 AM

Partly cloudy night

72° 💧 None 💨 6 mph H 81%29.80 inHg

7:00 AM

Partly cloudy night

65° 💧 None 💨 17 mph H 63%29.97 inHg

1:00 PM

Mostly cloudy

53° 💧 None 💨 15 mph H 72%30.15 inHg

7:00 PM

Mostly sunny

60° 💧 None 💨 13 mph H 56%30.24 inHg

Monday

1:00 AM

Clear night

55° 💧 None 💨 5 mph H 62%30.24 inHg

7:00 AM

Mostly clear night

47° 💧 None 💨 5 mph H 80%30.30 inHg

1:00 PM

Partly cloudy

43° 💧 None 💨 3 mph H 87%30.33 inHg

7:00 PM

Mostly cloudy

58° 💧 None 💨 8 mph H 57%30.27 inHg

Tuesday

1:00 AM

Mostly cloudy night

53° 💧 None 💨 5 mph H 72%30.15 inHg

7:00 AM

Mostly cloudy night

48° 💧 None 💨 6 mph H 83%30.15 inHg

1:00 PM

Mostly sunny

45° 💧 None 💨 5 mph H 94%30.15 inHg

7:00 PM

Sunny

64° 💧 None 💨 4 mph H 64%30.12 inHg

Wednesday

1:00 AM

Clear night

60° 💧 None 💨 4 mph H 80%30.09 inHg

In Hartford 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 Hartford

TomorrowTomorrow

Overcast 65°/53° 💧 None 💨 16 mph

Thursday, Sep 24Thu Sep 24

Light thunderstorms 64°/57° 💧 None 💨 14 mph

Friday, Sep 25Fri Sep 25

Light rain 65°/59° 💧 0.859 in 💨 19 mph

Saturday, Sep 26Sat Sep 26

Moderate rain 72°/61° 💧 0.694 in 💨 15 mph

Sunday, Sep 27Sun Sep 27

Partly cloudy 80°/63° 💧 0.001 in 💨 10 mph

Monday, Sep 28Mon Sep 28

Overcast 67°/65° 💧 1.242 in 💨 11 mph

Tuesday, Sep 29Tue Sep 29

Moderate rain 72°/63° 💧 0.276 in 💨 8 mph

Wednesday, Sep 30Wed Sep 30

Light rain 63°/60° 💧 0.953 in 💨 11 mph

Thursday, Oct 1Thu Oct 1

Moderate rain 63°/59° 💧 0.493 in 💨 10 mph

Friday, Oct 2Fri Oct 2

Light rain 73°/64° 💧 0.143 in 💨 12 mph

Saturday, Oct 3Sat Oct 3

Mostly sunny 73°/66° 💧 0.065 in 💨 12 mph

Sunday, Oct 4Sun Oct 4

Partly cloudy 72°/53° 💧 0.031 in 💨 17 mph

Monday, Oct 5Mon Oct 5

Mostly sunny 58°/43° 💧 None 💨 8 mph

Tuesday, Oct 6Tue Oct 6

Mostly cloudy 64°/45° 💧 None 💨 6 mph

Wednesday, Oct 7Wed Oct 7

Sunny 60°/60° 💧 None 💨 4 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Hartford

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Hartford

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 11:00 AM

PM2.5 Fine particles Good 1,0µg/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 1,2µg/m³

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

O₃ Ozone Good 31,4µg/m³

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

NO₂ Nitrogen dioxide Good 2,8µg/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 Hartford

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 2,3Low 😊Good

Tomorrow UV 5,1Moderate 🙂Fair

Thursday UV 0,6Low 🙂Fair

Friday UV 0,6Low 🙂Fair

Saturday UV 4,0Moderate 🙂Fair

Sunday UV 6,0High —Unavailable

Monday UV 5,0Moderate —Unavailable

Hourly UV index today

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

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

Low UV risk

UV radiation will be low, although basic protection is still advisable during 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 Hartford

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · HARTFORD, SOUTH DAKOTA

Tonight's Stargazing & Shooting Stars

Good observing conditions. Best local viewing window: 6:00 AM–7:00 AM.

71/100Best-hour score

BEST TIME TONIGHT 6:00 AM–7:00 AM Astronomical darkness: 9:01 PM–5:40 AM

☁ Cloud cover 34% Real hourly forecast for the best viewing hour.

☾ Moonlight 89% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 57° high at the best hour.

✦ Estimated visible meteors 1–3/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min58%

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.

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Forecast data for Hartford were last refreshed today at 10:32 AM. The current forecast period extends through 24/09/2026 at 8:00 AM. 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.