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Current weather in Gary is overcast clouds.

Where can I find the hourly weather forecast for Gary?

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

Is the weather forecast for Gary updated regularly?

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

Now · 7:54 AM

Gary Weather & Hourly Forecast

United States · South Dakota · 57237

54°F

Overcast

Feels like: 51°F

💧 Humidity 99% 🌡 Pressure 30.15 inHg 💨 Wind 8 mph 👁 Visibility 3.6 mi ☁ Clouds 99% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Gary

Today

8:00 AM

Overcast

54° 💧 0.001 in 💨 8 mph H 99%30.15 inHg

11:00 AM

Overcast

61° 💧 0.013 in 💨 11 mph H 81%30.18 inHg

2:00 PM

Light rain

64° 💧 0.011 in 💨 12 mph H 75%30.15 inHg

5:00 PM

Overcast

63° 💧 0.002 in 💨 11 mph H 72%30.15 inHg

8:00 PM

Overcast night

59° 💧 None 💨 7 mph H 79%30.15 inHg

11:00 PM

Overcast night

57° 💧 0.001 in 💨 9 mph H 80%30.18 inHg

Tomorrow

2:00 AM

Overcast night

54° 💧 0.009 in 💨 6 mph H 82%30.21 inHg

5:00 AM

Light rain

52° 💧 0.010 in 💨 6 mph H 88%30.24 inHg

8:00 AM

Overcast

51° 💧 0.006 in 💨 6 mph H 91%30.24 inHg

11:00 AM

Overcast

53° 💧 0.002 in 💨 7 mph H 87%30.27 inHg

2:00 PM

Overcast

56° 💧 0.001 in 💨 6 mph H 81%30.27 inHg

5:00 PM

Overcast

57° 💧 None 💨 7 mph H 76%30.24 inHg

8:00 PM

Mostly cloudy night

51° 💧 None 💨 4 mph H 88%30.27 inHg

11:00 PM

Mostly clear night

47° 💧 None 💨 4 mph H 91%30.30 inHg

Tuesday

2:00 AM

Clear night

46° 💧 0.000 in 💨 3 mph H 92%30.33 inHg

5:00 AM

Clear night

45° 💧 None 💨 1 mph H 95%30.33 inHg

Today

8:00 AM

Overcast

54° 💧 None 💨 8 mph H 99%30.15 inHg

9:00 AM

Overcast

55° 💧 0.000 in 💨 10 mph H 96%30.18 inHg

10:00 AM

Overcast

58° 💧 0.001 in 💨 11 mph H 89%30.18 inHg

11:00 AM

Overcast

61° 💧 0.002 in 💨 11 mph H 81%30.18 inHg

12:00 PM

Light rain

62° 💧 0.005 in 💨 11 mph H 79%30.18 inHg

1:00 PM

Light rain

63° 💧 0.006 in 💨 12 mph H 76%30.15 inHg

2:00 PM

Light rain

64° 💧 0.005 in 💨 12 mph H 75%30.15 inHg

3:00 PM

Overcast

64° 💧 0.004 in 💨 12 mph H 75%30.15 inHg

4:00 PM

Overcast

64° 💧 0.002 in 💨 11 mph H 72%30.15 inHg

5:00 PM

Overcast

63° 💧 0.001 in 💨 11 mph H 72%30.15 inHg

6:00 PM

Overcast

63° 💧 0.001 in 💨 10 mph H 71%30.15 inHg

7:00 PM

Overcast

61° 💧 None 💨 8 mph H 75%30.15 inHg

8:00 PM

Overcast night

59° 💧 None 💨 7 mph H 79%30.15 inHg

9:00 PM

Overcast night

58° 💧 None 💨 7 mph H 83%30.15 inHg

10:00 PM

Overcast night

57° 💧 None 💨 8 mph H 83%30.18 inHg

11:00 PM

Overcast night

57° 💧 None 💨 9 mph H 80%30.18 inHg

Tomorrow

12:00 AM

Overcast night

56° 💧 None 💨 8 mph H 81%30.21 inHg

1:00 AM

Overcast night

55° 💧 0.001 in 💨 7 mph H 81%30.21 inHg

2:00 AM

Overcast night

54° 💧 0.001 in 💨 6 mph H 82%30.21 inHg

3:00 AM

Light rain

53° 💧 0.006 in 💨 6 mph H 85%30.21 inHg

4:00 AM

Overcast night

52° 💧 0.002 in 💨 7 mph H 87%30.24 inHg

5:00 AM

Light rain

52° 💧 0.004 in 💨 6 mph H 88%30.24 inHg

6:00 AM

Light rain

51° 💧 0.004 in 💨 7 mph H 89%30.24 inHg

7:00 AM

Overcast night

51° 💧 0.002 in 💨 6 mph H 91%30.24 inHg

8:00 AM

Overcast

51° 💧 0.003 in 💨 6 mph H 91%30.24 inHg

9:00 AM

Overcast

51° 💧 0.002 in 💨 5 mph H 91%30.27 inHg

10:00 AM

Overcast

52° 💧 0.001 in 💨 6 mph H 89%30.27 inHg

11:00 AM

Overcast

53° 💧 0.001 in 💨 7 mph H 87%30.27 inHg

12:00 PM

Overcast

54° 💧 0.001 in 💨 6 mph H 85%30.27 inHg

1:00 PM

Overcast

55° 💧 0.000 in 💨 6 mph H 83%30.27 inHg

2:00 PM

Overcast

56° 💧 0.000 in 💨 6 mph H 81%30.27 inHg

3:00 PM

Overcast

57° 💧 None 💨 6 mph H 79%30.27 inHg

4:00 PM

Overcast

58° 💧 0.000 in 💨 7 mph H 76%30.24 inHg

5:00 PM

Overcast

57° 💧 None 💨 7 mph H 76%30.24 inHg

6:00 PM

Partly cloudy

56° 💧 None 💨 7 mph H 75%30.24 inHg

7:00 PM

Partly cloudy

55° 💧 None 💨 5 mph H 79%30.24 inHg

8:00 PM

Mostly cloudy night

51° 💧 None 💨 4 mph H 88%30.27 inHg

9:00 PM

Mostly cloudy night

50° 💧 None 💨 5 mph H 89%30.27 inHg

10:00 PM

Partly cloudy night

49° 💧 None 💨 5 mph H 89%30.30 inHg

11:00 PM

Mostly clear night

47° 💧 None 💨 4 mph H 91%30.30 inHg

Tuesday

12:00 AM

Clear night

46° 💧 None 💨 4 mph H 91%30.30 inHg

1:00 AM

Clear night

46° 💧 None 💨 3 mph H 92%30.33 inHg

2:00 AM

Clear night

46° 💧 None 💨 3 mph H 92%30.33 inHg

3:00 AM

Clear night

45° 💧 None 💨 2 mph H 93%30.33 inHg

4:00 AM

Clear night

45° 💧 0.000 in 💨 1 mph H 94%30.33 inHg

5:00 AM

Clear night

45° 💧 None 💨 1 mph H 95%30.33 inHg

6:00 AM

Clear night

45° 💧 None 💨 1 mph H 97%30.33 inHg

7:00 AM

Partly cloudy night

44° 💧 None 💨 2 mph H 99%30.33 inHg

8:00 AM

Mostly cloudy

46° 💧 None 💨 4 mph H 99%30.36 inHg

9:00 AM

Mostly cloudy

49° 💧 None 💨 3 mph H 95%30.36 inHg

10:00 AM

Mostly cloudy

52° 💧 None 💨 4 mph H 88%30.36 inHg

11:00 AM

Mostly cloudy

55° 💧 None 💨 7 mph H 80%30.36 inHg

12:00 PM

Mostly cloudy

59° 💧 None 💨 10 mph H 70%30.33 inHg

1:00 PM

Mostly cloudy

60° 💧 None 💨 10 mph H 65%30.33 inHg

2:00 PM

Mostly cloudy

61° 💧 None 💨 10 mph H 61%30.30 inHg

3:00 PM

Mostly cloudy

61° 💧 None 💨 10 mph H 60%30.30 inHg

4:00 PM

Mostly cloudy

61° 💧 None 💨 10 mph H 59%30.30 inHg

5:00 PM

Partly cloudy

60° 💧 None 💨 10 mph H 58%30.27 inHg

6:00 PM

Sunny

59° 💧 None 💨 9 mph H 60%30.27 inHg

7:00 PM

Sunny

56° 💧 None 💨 7 mph H 68%30.27 inHg

Wednesday

4:00 AM

Partly cloudy night

54° 💧 None 💨 9 mph H 79%30.30 inHg

7:00 AM

Partly cloudy night

51° 💧 None 💨 8 mph H 83%30.30 inHg

10:00 AM

Sunny

56° 💧 None 💨 10 mph H 79%30.30 inHg

1:00 PM

Overcast

63° 💧 None 💨 16 mph H 67%30.27 inHg

4:00 PM

Overcast

63° 💧 None 💨 15 mph H 68%30.21 inHg

7:00 PM

Overcast

61° 💧 None 💨 11 mph H 73%30.18 inHg

10:00 PM

Light rain

59° 💧 None 💨 13 mph H 79%30.21 inHg

Thursday

1:00 AM

Moderate rain

56° 💧 None 💨 11 mph H 90%30.15 inHg

4:00 AM

Mostly cloudy night

57° 💧 None 💨 12 mph H 90%30.12 inHg

7:00 AM

Clear night

57° 💧 None 💨 11 mph H 90%30.12 inHg

10:00 AM

Overcast

60° 💧 None 💨 8 mph H 86%30.15 inHg

1:00 PM

Overcast

64° 💧 None 💨 7 mph H 80%30.15 inHg

4:00 PM

Overcast

65° 💧 None 💨 6 mph H 81%30.12 inHg

7:00 PM

Overcast

63° 💧 None 💨 5 mph H 89%30.15 inHg

10:00 PM

Overcast night

61° 💧 None 💨 5 mph H 94%30.18 inHg

Friday

1:00 AM

Overcast night

61° 💧 None 💨 5 mph H 94%30.18 inHg

4:00 AM

Overcast night

58° 💧 None 💨 3 mph H 97%30.18 inHg

7:00 AM

Overcast night

59° 💧 None 💨 6 mph H 97%30.18 inHg

10:00 AM

Overcast

62° 💧 None 💨 10 mph H 88%30.18 inHg

1:00 PM

Overcast

65° 💧 None 💨 13 mph H 75%30.15 inHg

4:00 PM

Overcast

66° 💧 None 💨 14 mph H 71%30.09 inHg

7:00 PM

Light rain

62° 💧 None 💨 12 mph H 81%30.03 inHg

10:00 PM

Moderate rain

60° 💧 None 💨 13 mph H 92%30.00 inHg

Saturday

1:00 AM

Moderate rain

59° 💧 None 💨 12 mph H 95%29.94 inHg

7:00 AM

Overcast night

61° 💧 None 💨 10 mph H 88%30.03 inHg

1:00 PM

Overcast

60° 💧 None 💨 10 mph H 95%29.97 inHg

7:00 PM

Overcast

64° 💧 None 💨 10 mph H 81%29.97 inHg

Sunday

1:00 AM

Overcast night

62° 💧 None 💨 6 mph H 88%30.00 inHg

7:00 AM

Mostly cloudy night

60° 💧 None 💨 5 mph H 95%30.03 inHg

1:00 PM

Overcast

59° 💧 None 💨 1 mph H 96%30.06 inHg

7:00 PM

Overcast

69° 💧 None 💨 6 mph H 70%30.06 inHg

Monday

1:00 AM

Mostly clear night

66° 💧 None 💨 6 mph H 80%30.00 inHg

7:00 AM

Overcast night

61° 💧 None 💨 8 mph H 92%30.00 inHg

1:00 PM

Overcast

61° 💧 None 💨 11 mph H 89%29.91 inHg

7:00 PM

Overcast

67° 💧 None 💨 19 mph H 70%29.83 inHg

Tuesday

1:00 AM

Overcast night

64° 💧 None 💨 15 mph H 76%29.68 inHg

7:00 AM

Moderate rain

62° 💧 None 💨 19 mph H 89%29.62 inHg

1:00 PM

Overcast

58° 💧 None 💨 14 mph H 89%29.71 inHg

7:00 PM

Sunny

63° 💧 None 💨 13 mph H 63%29.80 inHg

Wednesday

1:00 AM

Clear night

57° 💧 None 💨 6 mph H 71%29.85 inHg

7:00 AM

Clear night

49° 💧 None 💨 3 mph H 84%29.91 inHg

1:00 PM

Sunny

47° 💧 None 💨 1 mph H 84%29.97 inHg

7:00 PM

Sunny

65° 💧 None 💨 1 mph H 52%29.97 inHg

Thursday

1:00 AM

Clear night

60° 💧 None 💨 4 mph H 76%30.00 inHg

7:00 AM

Clear night

53° 💧 None 💨 6 mph H 86%30.06 inHg

1:00 PM

Sunny

50° 💧 None 💨 4 mph H 91%30.12 inHg

7:00 PM

Sunny

68° 💧 None 💨 6 mph H 57%30.15 inHg

Friday

1:00 AM

Partly cloudy night

65° 💧 None 💨 7 mph H 70%30.12 inHg

7:00 AM

Mostly clear night

59° 💧 None 💨 8 mph H 90%30.12 inHg

1:00 PM

Sunny

59° 💧 None 💨 11 mph H 92%30.09 inHg

7:00 PM

Mostly sunny

70° 💧 None 💨 16 mph H 64%30.00 inHg

Saturday

1:00 AM

Mostly cloudy night

68° 💧 None 💨 16 mph H 65%29.88 inHg

7:00 AM

Mostly cloudy night

65° 💧 None 💨 18 mph H 85%29.83 inHg

1:00 PM

Overcast

64° 💧 None 💨 15 mph H 89%29.74 inHg

7:00 PM

Overcast

64° 💧 None 💨 14 mph H 87%29.74 inHg

Sunday

1:00 AM

Mostly clear night

59° 💧 None 💨 11 mph H 63%29.80 inHg

7:00 AM

Clear night

52° 💧 None 💨 10 mph H 65%29.91 inHg

1:00 PM

Sunny

47° 💧 None 💨 11 mph H 72%29.97 inHg

7:00 PM

Mostly sunny

63° 💧 None 💨 14 mph H 42%29.94 inHg

Monday

1:00 AM

Clear night

60° 💧 None 💨 11 mph H 55%29.80 inHg

In Gary and, more broadly, across the state of South Dakota: The morning begins with mostly cloudy skies and mild temperatures ranging from 56 to 64 degrees Fahrenheit. Winds will be coming from the east at around 14 mph, with gusts reaching up to 22 mph. Rain is likely to develop throughout the day, with total accumulation expected to be around 0.25 inches. During the afternoon, the cloud cover will persist, and the moderate east wind will continue, bringing gusts of up to 22 mph. The chance of rain remains high, so outdoor plans may be affected by the light to moderate showers. Temperatures will stay within the mild range, providing a relatively cool but comfortable day. It’s advisable to carry an umbrella or rain gear if heading outdoors later today.

15-Day Weather Outlook for Gary

TomorrowTomorrow

Overcast 58°/47° 💧 None 💨 8 mph

Tuesday, Sep 22Tue Sep 22

Partly cloudy 61°/44° 💧 None 💨 10 mph

Wednesday, Sep 23Wed Sep 23

Light rain 63°/51° 💧 0.228 in 💨 16 mph

Thursday, Sep 24Thu Sep 24

Moderate rain 65°/56° 💧 0.638 in 💨 12 mph

Friday, Sep 25Fri Sep 25

Moderate rain 66°/58° 💧 0.155 in 💨 14 mph

Saturday, Sep 26Sat Sep 26

Moderate rain 64°/59° 💧 0.201 in 💨 12 mph

Sunday, Sep 27Sun Sep 27

Overcast 69°/59° 💧 0.018 in 💨 6 mph

Monday, Sep 28Mon Sep 28

Overcast 67°/61° 💧 0.005 in 💨 19 mph

Tuesday, Sep 29Tue Sep 29

Moderate rain 64°/58° 💧 0.261 in 💨 19 mph

Wednesday, Sep 30Wed Sep 30

Sunny 65°/47° 💧 None 💨 6 mph

Thursday, Oct 1Thu Oct 1

Sunny 68°/50° 💧 None 💨 6 mph

Friday, Oct 2Fri Oct 2

Partly cloudy 70°/59° 💧 None 💨 16 mph

Saturday, Oct 3Sat Oct 3

Overcast 68°/64° 💧 0.114 in 💨 18 mph

Sunday, Oct 4Sun Oct 4

Mostly sunny 63°/47° 💧 0.062 in 💨 14 mph

Monday, Oct 5Mon Oct 5

Sunny 60°/60° 💧 None 💨 11 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Gary

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Gary

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 8:00 AM

PM2.5 Fine particles Good 1,5µg/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 1,7µg/m³

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

O₃ Ozone Good 58,2µg/m³

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

NO₂ Nitrogen dioxide Good 1,5µg/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 Gary

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 4,4Moderate 😊Good

Tomorrow UV 3,0Moderate 🙂Fair

Tuesday UV 5,1Moderate 🙂Fair

Wednesday UV 5,2Moderate 🙂Fair

Thursday UV 5,0Moderate 🙂Fair

Friday UV 6,0High —Unavailable

Saturday UV 6,0High —Unavailable

Hourly UV index today

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

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 Gary

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · GARY, SOUTH DAKOTA

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

28/100Best-hour score

No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.

☁ Cloud cover 99% Real hourly forecast for the best viewing hour.

☾ Moonlight 71% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 61° high at the best hour.

✦ Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.

Chance ≥1 meteor in 30 minNot meaningful

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

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

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

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 Gary were last refreshed today at 7:54 AM. The current forecast period extends through 22/09/2026 at 5:00 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.