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Current weather in Hartsburg is broken clouds.

Where can I find the hourly weather forecast for Hartsburg?

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

Is the weather forecast for Hartsburg updated regularly?

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

Now · 10:54 PM

Hartsburg Weather & Hourly Forecast

United States · Illinois · 62643

56°F

Mostly cloudy night

Feels like: 52°F

💧 Humidity 86% 🌡 Pressure 30.27 inHg 💨 Wind 8 mph 👁 Visibility 17.2 mi ☁ Clouds 67% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:44 AM 🌇 Sunset 6:56 PM

Hourly Forecast for Hartsburg

Today

11:00 PM

Mostly cloudy night

56° 💧 None 💨 8 mph H 86%30.27 inHg

Tomorrow

2:00 AM

Overcast night

59° 💧 0.001 in 💨 7 mph H 83%30.27 inHg

5:00 AM

Mostly cloudy night

59° 💧 None 💨 7 mph H 83%30.27 inHg

8:00 AM

Overcast

59° 💧 0.001 in 💨 8 mph H 82%30.30 inHg

11:00 AM

Overcast

65° 💧 0.001 in 💨 11 mph H 70%30.30 inHg

2:00 PM

Overcast

67° 💧 None 💨 10 mph H 65%30.27 inHg

5:00 PM

Overcast

67° 💧 None 💨 10 mph H 66%30.27 inHg

8:00 PM

Overcast night

64° 💧 None 💨 9 mph H 74%30.27 inHg

11:00 PM

Overcast night

62° 💧 None 💨 7 mph H 79%30.30 inHg

Thursday

2:00 AM

Clear night

59° 💧 None 💨 5 mph H 87%30.27 inHg

5:00 AM

Clear night

56° 💧 None 💨 5 mph H 90%30.27 inHg

8:00 AM

Mostly sunny

57° 💧 None 💨 6 mph H 83%30.30 inHg

11:00 AM

Sunny

66° 💧 None 💨 6 mph H 67%30.30 inHg

2:00 PM

Overcast

73° 💧 None 💨 5 mph H 60%30.24 inHg

5:00 PM

Overcast

72° 💧 None 💨 6 mph H 61%30.24 inHg

8:00 PM

Mostly cloudy night

66° 💧 None 💨 5 mph H 74%30.24 inHg

Today

11:00 PM

Mostly cloudy night

56° 💧 None 💨 8 mph H 86%30.27 inHg

Tomorrow

12:00 AM

Overcast night

57° 💧 None 💨 7 mph H 85%30.27 inHg

1:00 AM

Overcast night

59° 💧 None 💨 7 mph H 84%30.27 inHg

2:00 AM

Overcast night

59° 💧 None 💨 7 mph H 83%30.27 inHg

3:00 AM

Overcast night

60° 💧 None 💨 8 mph H 82%30.27 inHg

4:00 AM

Overcast night

59° 💧 0.001 in 💨 8 mph H 83%30.27 inHg

5:00 AM

Mostly cloudy night

59° 💧 None 💨 7 mph H 83%30.27 inHg

6:00 AM

Partly cloudy night

58° 💧 None 💨 8 mph H 84%30.27 inHg

7:00 AM

Overcast

58° 💧 None 💨 9 mph H 84%30.30 inHg

8:00 AM

Overcast

59° 💧 0.001 in 💨 8 mph H 82%30.30 inHg

9:00 AM

Overcast

60° 💧 None 💨 9 mph H 81%30.30 inHg

10:00 AM

Overcast

61° 💧 0.001 in 💨 9 mph H 77%30.30 inHg

11:00 AM

Overcast

65° 💧 None 💨 11 mph H 70%30.30 inHg

12:00 PM

Overcast

66° 💧 0.001 in 💨 11 mph H 68%30.30 inHg

1:00 PM

Overcast

67° 💧 None 💨 11 mph H 66%30.30 inHg

2:00 PM

Overcast

67° 💧 None 💨 10 mph H 65%30.27 inHg

3:00 PM

Overcast

68° 💧 None 💨 11 mph H 63%30.27 inHg

4:00 PM

Overcast

67° 💧 None 💨 11 mph H 64%30.27 inHg

5:00 PM

Overcast

67° 💧 None 💨 10 mph H 66%30.27 inHg

6:00 PM

Overcast

66° 💧 None 💨 9 mph H 68%30.27 inHg

7:00 PM

Overcast night

65° 💧 None 💨 9 mph H 72%30.27 inHg

8:00 PM

Overcast night

64° 💧 None 💨 9 mph H 74%30.27 inHg

9:00 PM

Overcast night

63° 💧 None 💨 9 mph H 76%30.30 inHg

10:00 PM

Overcast night

63° 💧 None 💨 7 mph H 78%30.30 inHg

11:00 PM

Overcast night

62° 💧 None 💨 7 mph H 79%30.30 inHg

Thursday

12:00 AM

Mostly cloudy night

62° 💧 None 💨 8 mph H 80%30.30 inHg

1:00 AM

Clear night

61° 💧 None 💨 8 mph H 82%30.27 inHg

2:00 AM

Clear night

59° 💧 None 💨 5 mph H 87%30.27 inHg

3:00 AM

Clear night

58° 💧 None 💨 5 mph H 90%30.27 inHg

4:00 AM

Clear night

57° 💧 None 💨 5 mph H 90%30.27 inHg

5:00 AM

Clear night

56° 💧 None 💨 5 mph H 90%30.27 inHg

6:00 AM

Mostly clear night

55° 💧 None 💨 5 mph H 90%30.30 inHg

7:00 AM

Mostly cloudy

55° 💧 None 💨 5 mph H 89%30.30 inHg

8:00 AM

Mostly sunny

57° 💧 None 💨 6 mph H 83%30.30 inHg

9:00 AM

Mostly sunny

61° 💧 None 💨 6 mph H 76%30.33 inHg

10:00 AM

Mostly sunny

64° 💧 None 💨 6 mph H 71%30.30 inHg

11:00 AM

Sunny

66° 💧 None 💨 6 mph H 67%30.30 inHg

12:00 PM

Sunny

69° 💧 None 💨 6 mph H 65%30.27 inHg

1:00 PM

Mostly sunny

71° 💧 None 💨 6 mph H 62%30.27 inHg

2:00 PM

Overcast

73° 💧 None 💨 5 mph H 60%30.24 inHg

3:00 PM

Overcast

73° 💧 None 💨 5 mph H 59%30.24 inHg

4:00 PM

Overcast

72° 💧 None 💨 6 mph H 60%30.24 inHg

5:00 PM

Overcast

72° 💧 None 💨 6 mph H 61%30.24 inHg

6:00 PM

Partly cloudy

71° 💧 None 💨 6 mph H 65%30.24 inHg

7:00 PM

Mostly cloudy night

68° 💧 None 💨 6 mph H 71%30.21 inHg

8:00 PM

Mostly cloudy night

66° 💧 None 💨 5 mph H 74%30.24 inHg

9:00 PM

Mostly clear night

65° 💧 None 💨 5 mph H 77%30.24 inHg

10:00 PM

Mostly clear night

64° 💧 None 💨 5 mph H 80%30.24 inHg

11:00 PM

Partly cloudy night

63° 💧 None 💨 5 mph H 84%30.24 inHg

Friday

12:00 AM

Partly cloudy night

62° 💧 None 💨 5 mph H 87%30.24 inHg

1:00 AM

Overcast night

62° 💧 None 💨 6 mph H 86%30.21 inHg

2:00 AM

Overcast night

63° 💧 None 💨 5 mph H 85%30.21 inHg

3:00 AM

Overcast night

63° 💧 0.001 in 💨 5 mph H 86%30.24 inHg

4:00 AM

Overcast night

62° 💧 None 💨 6 mph H 86%30.24 inHg

5:00 AM

Overcast night

62° 💧 None 💨 6 mph H 86%30.24 inHg

6:00 AM

Overcast night

62° 💧 None 💨 6 mph H 85%30.24 inHg

7:00 AM

Overcast

61° 💧 None 💨 6 mph H 85%30.27 inHg

4:00 PM

Overcast

66° 💧 None 💨 6 mph H 63%30.21 inHg

7:00 PM

Overcast night

64° 💧 None 💨 6 mph H 66%30.21 inHg

10:00 PM

Overcast night

62° 💧 None 💨 6 mph H 64%30.21 inHg

Saturday

1:00 AM

Overcast night

61° 💧 None 💨 7 mph H 67%30.18 inHg

4:00 AM

Overcast night

60° 💧 None 💨 6 mph H 70%30.15 inHg

7:00 AM

Overcast

59° 💧 None 💨 7 mph H 73%30.18 inHg

10:00 AM

Overcast

60° 💧 None 💨 5 mph H 70%30.21 inHg

1:00 PM

Overcast

62° 💧 None 💨 7 mph H 69%30.18 inHg

4:00 PM

Overcast

64° 💧 None 💨 7 mph H 62%30.12 inHg

7:00 PM

Overcast night

61° 💧 None 💨 8 mph H 66%30.06 inHg

10:00 PM

Overcast night

59° 💧 None 💨 5 mph H 69%30.09 inHg

Sunday

1:00 AM

Mostly cloudy night

56° 💧 None 💨 3 mph H 81%30.09 inHg

4:00 AM

Mostly cloudy night

56° 💧 None 💨 5 mph H 81%30.03 inHg

7:00 AM

Partly cloudy

55° 💧 None 💨 4 mph H 83%30.03 inHg

10:00 AM

Partly cloudy

63° 💧 None 💨 3 mph H 69%30.03 inHg

1:00 PM

Overcast

71° 💧 None 💨 3 mph H 50%30.00 inHg

4:00 PM

Partly cloudy

74° 💧 None 💨 2 mph H 45%29.94 inHg

7:00 PM

Clear night

67° 💧 None 💨 3 mph H 66%29.94 inHg

10:00 PM

Clear night

63° 💧 None 💨 5 mph H 73%29.94 inHg

Monday

1:00 AM

Clear night

60° 💧 None 💨 4 mph H 75%29.94 inHg

4:00 AM

Clear night

58° 💧 None 💨 4 mph H 79%29.94 inHg

7:00 AM

Mostly sunny

57° 💧 None 💨 5 mph H 89%29.94 inHg

10:00 AM

Mostly sunny

70° 💧 None 💨 6 mph H 65%29.91 inHg

1:00 PM

Overcast

78° 💧 None 💨 7 mph H 44%29.88 inHg

7:00 PM

Clear night

77° 💧 None 💨 4 mph H 47%29.94 inHg

Tuesday

1:00 AM

Clear night

70° 💧 None 💨 4 mph H 69%29.88 inHg

7:00 AM

Partly cloudy

64° 💧 None 💨 8 mph H 77%29.88 inHg

1:00 PM

Partly cloudy

61° 💧 None 💨 10 mph H 80%29.85 inHg

7:00 PM

Overcast night

80° 💧 None 💨 12 mph H 47%29.80 inHg

Wednesday

1:00 AM

Moderate rain

68° 💧 None 💨 6 mph H 92%29.77 inHg

7:00 AM

Light rain

66° 💧 None 💨 8 mph H 92%29.71 inHg

1:00 PM

Light rain

66° 💧 None 💨 8 mph H 95%29.68 inHg

7:00 PM

Light rain

71° 💧 None 💨 6 mph H 91%29.65 inHg

Thursday

1:00 AM

Light rain

69° 💧 None 💨 4 mph H 96%29.65 inHg

7:00 AM

Light rain

68° 💧 None 💨 5 mph H 98%29.68 inHg

1:00 PM

Overcast

68° 💧 None 💨 4 mph H 98%29.68 inHg

7:00 PM

Light rain

74° 💧 None 💨 3 mph H 86%29.65 inHg

Friday

1:00 AM

Overcast night

69° 💧 None 💨 8 mph H 92%29.71 inHg

7:00 AM

Sunny

64° 💧 None 💨 8 mph H 95%29.77 inHg

1:00 PM

Mostly sunny

62° 💧 None 💨 6 mph H 97%29.85 inHg

7:00 PM

Partly cloudy night

76° 💧 None 💨 11 mph H 57%29.83 inHg

Saturday

1:00 AM

Light rain

68° 💧 None 💨 7 mph H 90%29.83 inHg

7:00 AM

Sunny

58° 💧 None 💨 5 mph H 86%29.83 inHg

1:00 PM

Sunny

55° 💧 None 💨 8 mph H 78%29.77 inHg

7:00 PM

Overcast night

69° 💧 None 💨 16 mph H 49%29.71 inHg

Sunday

1:00 AM

Mostly cloudy night

61° 💧 None 💨 12 mph H 69%29.74 inHg

7:00 AM

Sunny

55° 💧 None 💨 9 mph H 79%29.80 inHg

1:00 PM

Mostly sunny

51° 💧 None 💨 9 mph H 89%29.88 inHg

7:00 PM

Overcast night

62° 💧 None 💨 10 mph H 60%29.91 inHg

Monday

1:00 AM

Partly cloudy night

58° 💧 None 💨 6 mph H 73%29.94 inHg

7:00 AM

Overcast

56° 💧 None 💨 6 mph H 72%29.97 inHg

1:00 PM

Sunny

49° 💧 None 💨 6 mph H 91%30.03 inHg

7:00 PM

Mostly clear night

61° 💧 None 💨 8 mph H 52%30.03 inHg

Tuesday

1:00 AM

Clear night

56° 💧 None 💨 4 mph H 73%30.00 inHg

7:00 AM

Mostly cloudy

49° 💧 None 💨 4 mph H 86%30.03 inHg

1:00 PM

Mostly sunny

47° 💧 None 💨 3 mph H 92%30.06 inHg

7:00 PM

Partly cloudy night

64° 💧 None 💨 3 mph H 56%30.03 inHg

Wednesday

1:00 AM

Mostly cloudy night

58° 💧 None 💨 6 mph H 71%30.03 inHg

7:00 AM

Mostly cloudy

54° 💧 None 💨 9 mph H 73%30.06 inHg

1:00 PM

Mostly cloudy

53° 💧 None 💨 7 mph H 84%30.09 inHg

In Hartsburg and, more broadly, across the state of Illinois: This morning begins with mostly cloudy skies and mild temperatures ranging from 60 to 69 degrees Fahrenheit. Winds will be coming from the northeast at around 11 mph, with gusts reaching up to 21 mph. As the day progresses into the afternoon, the cloud cover is expected to persist, but no precipitation is anticipated. Temperatures are likely to remain steady within the mild range, providing comfortable conditions for outdoor activities. Winds will continue from the northeast, maintaining a moderate breeze throughout the day. Overall, it will be a relatively calm day with partly cloudy skies and no significant weather disruptions.

15-Day Weather Outlook for Hartsburg

TomorrowTomorrow

Overcast 68°/57° 💧 None 💨 11 mph

Thursday, Sep 24Thu Sep 24

Mostly cloudy 73°/55° 💧 None 💨 8 mph

Friday, Sep 25Fri Sep 25

Partly cloudy 66°/61° 💧 0.001 in 💨 6 mph

Saturday, Sep 26Sat Sep 26

Overcast 64°/59° 💧 0.005 in 💨 8 mph

Sunday, Sep 27Sun Sep 27

Mostly cloudy 74°/55° 💧 None 💨 5 mph

Monday, Sep 28Mon Sep 28

Mostly sunny 78°/57° 💧 0.007 in 💨 7 mph

Tuesday, Sep 29Tue Sep 29

Partly cloudy 80°/61° 💧 None 💨 12 mph

Wednesday, Sep 30Wed Sep 30

Moderate rain 71°/66° 💧 0.960 in 💨 8 mph

Thursday, Oct 1Thu Oct 1

Light rain 74°/68° 💧 0.269 in 💨 5 mph

Friday, Oct 2Fri Oct 2

Overcast 76°/62° 💧 0.411 in 💨 11 mph

Saturday, Oct 3Sat Oct 3

Light rain 69°/55° 💧 0.071 in 💨 16 mph

Sunday, Oct 4Sun Oct 4

Overcast 62°/51° 💧 0.029 in 💨 12 mph

Monday, Oct 5Mon Oct 5

Partly cloudy 61°/49° 💧 None 💨 8 mph

Tuesday, Oct 6Tue Oct 6

Mostly cloudy 64°/47° 💧 None 💨 4 mph

Wednesday, Oct 7Wed Oct 7

Mostly cloudy 58°/53° 💧 None 💨 9 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Hartsburg

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Hartsburg

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 11:00 PM

PM2.5 Fine particles Good 4,1µg/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 4,5µg/m³

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

O₃ Ozone Fair 77,2µg/m³

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

NO₂ Nitrogen dioxide Good 3,8µg/m³

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

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Hartsburg

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 5,7Moderate 🙂Fair

Tomorrow UV 5,8Moderate 🙂Fair

Thursday UV 6,0High 🙂Fair

Friday UV 4,8Moderate 🙂Fair

Saturday UV 0,6Low 😐Moderate

Sunday UV 4,0Moderate —Unavailable

Monday UV 6,0High —Unavailable

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

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

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 Hartsburg

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · HARTSBURG, ILLINOIS

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

43/100Best-hour score

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

☁ Cloud cover 67% Real hourly forecast for the best viewing hour.

☾ Moonlight 87% Waxing Gibbous · Moon about 32° above the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 18° 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 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 Hartsburg were last refreshed today at 10:54 PM. The current forecast period extends through 24/09/2026 at 8:00 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.