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Current weather in Chicago is scattered clouds.

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

Now · 4:37 PM

Chicago Weather & Hourly Forecast

United States · Illinois · 60617

73°F

Partly cloudy

Feels like: 72°F

💧 Humidity 63% 🌡 Pressure 30.06 inHg 💨 Wind 8 mph 👁 Visibility 21.0 mi ☁ Clouds 46% ☀️ UV index 3.1 · Moderate 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Chicago

Today

5:00 PM

Partly cloudy

73° 💧 None 💨 8 mph H 63%30.06 inHg

8:00 PM

Mostly clear night

70° 💧 None 💨 5 mph H 77%30.09 inHg

11:00 PM

Partly cloudy night

70° 💧 None 💨 5 mph H 73%30.12 inHg

Tomorrow

2:00 AM

Mostly cloudy night

69° 💧 None 💨 5 mph H 75%30.12 inHg

5:00 AM

Partly cloudy night

66° 💧 None 💨 2 mph H 86%30.15 inHg

8:00 AM

Partly cloudy

68° 💧 None 💨 3 mph H 83%30.18 inHg

11:00 AM

Sunny

73° 💧 None 💨 6 mph H 64%30.21 inHg

2:00 PM

Sunny

75° 💧 None 💨 6 mph H 55%30.15 inHg

5:00 PM

Mostly sunny

75° 💧 None 💨 5 mph H 59%30.12 inHg

8:00 PM

Partly cloudy night

71° 💧 None 💨 2 mph H 75%30.12 inHg

11:00 PM

Clear night

70° 💧 None 💨 5 mph H 75%30.15 inHg

Tuesday

2:00 AM

Mostly cloudy night

66° 💧 None 💨 5 mph H 77%30.15 inHg

5:00 AM

Overcast night

65° 💧 None 💨 4 mph H 79%30.12 inHg

8:00 AM

Overcast

66° 💧 None 💨 4 mph H 79%30.15 inHg

11:00 AM

Mostly cloudy

75° 💧 None 💨 4 mph H 67%30.12 inHg

2:00 PM

Overcast

84° 💧 None 💨 7 mph H 49%30.06 inHg

Today

5:00 PM

Partly cloudy

73° 💧 None 💨 8 mph H 63%30.06 inHg

6:00 PM

Mostly sunny

72° 💧 None 💨 8 mph H 69%30.06 inHg

7:00 PM

Mostly sunny

71° 💧 None 💨 6 mph H 75%30.06 inHg

8:00 PM

Mostly clear night

70° 💧 None 💨 5 mph H 77%30.09 inHg

9:00 PM

Mostly clear night

70° 💧 None 💨 5 mph H 75%30.12 inHg

10:00 PM

Mostly cloudy night

71° 💧 None 💨 5 mph H 74%30.12 inHg

11:00 PM

Partly cloudy night

70° 💧 None 💨 5 mph H 73%30.12 inHg

Tomorrow

12:00 AM

Mostly cloudy night

70° 💧 None 💨 4 mph H 72%30.12 inHg

1:00 AM

Mostly cloudy night

69° 💧 None 💨 4 mph H 71%30.12 inHg

2:00 AM

Mostly cloudy night

69° 💧 None 💨 5 mph H 75%30.12 inHg

3:00 AM

Mostly cloudy night

68° 💧 None 💨 5 mph H 80%30.12 inHg

4:00 AM

Mostly cloudy night

67° 💧 None 💨 4 mph H 83%30.15 inHg

5:00 AM

Partly cloudy night

66° 💧 None 💨 2 mph H 86%30.15 inHg

6:00 AM

Mostly clear night

65° 💧 None 💨 1 mph H 88%30.18 inHg

7:00 AM

Mostly sunny

65° 💧 None 💨 1 mph H 89%30.18 inHg

8:00 AM

Partly cloudy

68° 💧 None 💨 3 mph H 83%30.18 inHg

9:00 AM

Sunny

70° 💧 None 💨 3 mph H 78%30.21 inHg

10:00 AM

Sunny

72° 💧 None 💨 4 mph H 71%30.18 inHg

11:00 AM

Sunny

73° 💧 None 💨 6 mph H 64%30.21 inHg

12:00 PM

Partly cloudy

74° 💧 None 💨 6 mph H 58%30.18 inHg

1:00 PM

Sunny

75° 💧 None 💨 6 mph H 55%30.18 inHg

2:00 PM

Sunny

75° 💧 None 💨 6 mph H 55%30.15 inHg

3:00 PM

Mostly sunny

75° 💧 None 💨 5 mph H 57%30.15 inHg

4:00 PM

Sunny

75° 💧 None 💨 5 mph H 58%30.15 inHg

5:00 PM

Mostly sunny

75° 💧 None 💨 5 mph H 59%30.12 inHg

6:00 PM

Mostly cloudy

74° 💧 None 💨 5 mph H 63%30.12 inHg

7:00 PM

Mostly cloudy

72° 💧 None 💨 4 mph H 71%30.12 inHg

8:00 PM

Partly cloudy night

71° 💧 None 💨 2 mph H 75%30.12 inHg

9:00 PM

Mostly clear night

71° 💧 None 💨 4 mph H 71%30.15 inHg

10:00 PM

Mostly clear night

71° 💧 None 💨 5 mph H 71%30.15 inHg

11:00 PM

Clear night

70° 💧 None 💨 5 mph H 75%30.15 inHg

Tuesday

12:00 AM

Mostly clear night

69° 💧 None 💨 6 mph H 76%30.15 inHg

1:00 AM

Mostly cloudy night

68° 💧 None 💨 6 mph H 76%30.15 inHg

2:00 AM

Mostly cloudy night

66° 💧 None 💨 5 mph H 77%30.15 inHg

3:00 AM

Overcast night

66° 💧 None 💨 5 mph H 78%30.12 inHg

4:00 AM

Overcast night

65° 💧 None 💨 5 mph H 78%30.12 inHg

5:00 AM

Overcast night

65° 💧 None 💨 4 mph H 79%30.12 inHg

6:00 AM

Overcast night

64° 💧 None 💨 4 mph H 80%30.12 inHg

7:00 AM

Overcast

64° 💧 None 💨 4 mph H 80%30.15 inHg

8:00 AM

Overcast

66° 💧 None 💨 4 mph H 79%30.15 inHg

9:00 AM

Overcast

68° 💧 None 💨 4 mph H 76%30.15 inHg

10:00 AM

Mostly cloudy

71° 💧 None 💨 4 mph H 71%30.15 inHg

11:00 AM

Mostly cloudy

75° 💧 None 💨 4 mph H 67%30.12 inHg

12:00 PM

Mostly cloudy

79° 💧 None 💨 5 mph H 62%30.09 inHg

1:00 PM

Mostly cloudy

82° 💧 None 💨 7 mph H 53%30.09 inHg

2:00 PM

Overcast

84° 💧 None 💨 7 mph H 49%30.06 inHg

3:00 PM

Overcast

84° 💧 None 💨 7 mph H 49%30.06 inHg

4:00 PM

Partly cloudy

84° 💧 None 💨 6 mph H 48%30.03 inHg

5:00 PM

Mostly sunny

84° 💧 None 💨 7 mph H 47%30.03 inHg

6:00 PM

Sunny

83° 💧 None 💨 5 mph H 52%30.00 inHg

7:00 PM

Sunny

79° 💧 None 💨 4 mph H 60%30.00 inHg

8:00 PM

Mostly clear night

77° 💧 None 💨 5 mph H 64%30.00 inHg

9:00 PM

Clear night

76° 💧 None 💨 5 mph H 68%30.00 inHg

10:00 PM

Clear night

75° 💧 None 💨 6 mph H 69%30.03 inHg

11:00 PM

Mostly cloudy night

74° 💧 None 💨 7 mph H 65%30.00 inHg

Wednesday

12:00 AM

Overcast night

74° 💧 None 💨 7 mph H 63%30.00 inHg

1:00 AM

Overcast night

73° 💧 None 💨 7 mph H 62%30.00 inHg

2:00 AM

Mostly cloudy night

73° 💧 None 💨 8 mph H 61%29.97 inHg

3:00 AM

Mostly cloudy night

73° 💧 None 💨 8 mph H 61%29.97 inHg

4:00 AM

Mostly cloudy night

72° 💧 None 💨 8 mph H 61%29.94 inHg

5:00 AM

Overcast night

73° 💧 None 💨 8 mph H 61%29.97 inHg

6:00 AM

Overcast night

72° 💧 None 💨 6 mph H 64%29.97 inHg

7:00 AM

Overcast

71° 💧 None 💨 3 mph H 69%30.00 inHg

10:00 AM

Light rain

75° 💧 None 💨 6 mph H 68%29.97 inHg

1:00 PM

Partly cloudy

78° 💧 None 💨 8 mph H 69%29.97 inHg

4:00 PM

Overcast

79° 💧 None 💨 9 mph H 74%29.91 inHg

7:00 PM

Mostly cloudy

76° 💧 None 💨 6 mph H 87%29.91 inHg

10:00 PM

Overcast night

73° 💧 None 💨 5 mph H 96%29.91 inHg

Thursday

1:00 AM

Mostly cloudy night

71° 💧 None 💨 5 mph H 95%29.91 inHg

4:00 AM

Mostly cloudy night

67° 💧 None 💨 3 mph H 87%29.94 inHg

7:00 AM

Overcast

65° 💧 None 💨 5 mph H 85%29.94 inHg

10:00 AM

Mostly sunny

72° 💧 None 💨 6 mph H 65%29.97 inHg

1:00 PM

Mostly sunny

76° 💧 None 💨 5 mph H 49%29.94 inHg

4:00 PM

Mostly sunny

77° 💧 None 💨 5 mph H 47%29.91 inHg

7:00 PM

Sunny

71° 💧 None 💨 2 mph H 64%29.91 inHg

10:00 PM

Clear night

66° 💧 None 💨 1 mph H 79%29.97 inHg

Friday

1:00 AM

Clear night

62° 💧 None 💨 1 mph H 84%29.97 inHg

4:00 AM

Clear night

59° 💧 None 💨 3 mph H 89%29.97 inHg

7:00 AM

Sunny

58° 💧 None 💨 4 mph H 89%29.97 inHg

10:00 AM

Sunny

71° 💧 None 💨 4 mph H 59%29.97 inHg

1:00 PM

Sunny

77° 💧 None 💨 4 mph H 42%29.94 inHg

4:00 PM

Sunny

79° 💧 None 💨 6 mph H 37%29.88 inHg

7:00 PM

Sunny

74° 💧 None 💨 4 mph H 55%29.85 inHg

10:00 PM

Mostly clear night

69° 💧 None 💨 7 mph H 66%29.88 inHg

Saturday

1:00 AM

Clear night

65° 💧 None 💨 6 mph H 75%29.85 inHg

4:00 AM

Clear night

63° 💧 None 💨 5 mph H 79%29.85 inHg

7:00 AM

Partly cloudy

63° 💧 None 💨 6 mph H 80%29.85 inHg

1:00 PM

Sunny

84° 💧 None 💨 8 mph H 50%29.85 inHg

7:00 PM

Sunny

79° 💧 None 💨 3 mph H 64%29.91 inHg

Sunday

1:00 AM

Mostly clear night

69° 💧 None 💨 3 mph H 85%30.00 inHg

7:00 AM

Overcast

69° 💧 None 💨 4 mph H 86%30.06 inHg

1:00 PM

Overcast

83° 💧 None 💨 3 mph H 56%30.03 inHg

7:00 PM

Light rain

75° 💧 None 💨 5 mph H 79%30.00 inHg

Monday

1:00 AM

Overcast night

71° 💧 None 💨 6 mph H 91%30.03 inHg

7:00 AM

Overcast

69° 💧 None 💨 7 mph H 91%30.06 inHg

1:00 PM

Overcast

80° 💧 None 💨 5 mph H 69%30.00 inHg

7:00 PM

Mostly sunny

83° 💧 None 💨 8 mph H 70%29.88 inHg

Tuesday

1:00 AM

Clear night

82° 💧 None 💨 11 mph H 61%29.85 inHg

7:00 AM

Partly cloudy

79° 💧 None 💨 8 mph H 62%29.88 inHg

1:00 PM

Mostly cloudy

78° 💧 None 💨 7 mph H 46%30.03 inHg

7:00 PM

Overcast

72° 💧 None 💨 7 mph H 59%30.12 inHg

Wednesday

1:00 AM

Clear night

63° 💧 None 💨 3 mph H 80%30.24 inHg

7:00 AM

Mostly sunny

60° 💧 None 💨 4 mph H 91%30.33 inHg

1:00 PM

Mostly sunny

75° 💧 None 💨 6 mph H 49%30.36 inHg

7:00 PM

Mostly cloudy

69° 💧 None 💨 7 mph H 59%30.33 inHg

Thursday

1:00 AM

Clear night

67° 💧 None 💨 4 mph H 74%30.36 inHg

7:00 AM

Sunny

61° 💧 None 💨 3 mph H 87%30.39 inHg

1:00 PM

Sunny

74° 💧 None 💨 7 mph H 53%30.36 inHg

7:00 PM

Mostly clear night

69° 💧 None 💨 7 mph H 58%30.30 inHg

Friday

1:00 AM

Partly cloudy night

65° 💧 None 💨 3 mph H 77%30.30 inHg

7:00 AM

Sunny

61° 💧 None 💨 6 mph H 88%30.27 inHg

1:00 PM

Partly cloudy

67° 💧 None 💨 17 mph H 56%30.33 inHg

7:00 PM

Light rain

59° 💧 None 💨 13 mph H 67%30.36 inHg

Saturday

1:00 AM

Overcast night

58° 💧 None 💨 9 mph H 59%30.39 inHg

7:00 AM

Light rain

54° 💧 None 💨 4 mph H 81%30.42 inHg

1:00 PM

Overcast

60° 💧 None 💨 10 mph H 53%30.42 inHg

7:00 PM

Clear night

56° 💧 None 💨 7 mph H 57%30.36 inHg

Sunday

1:00 AM

Clear night

53° 💧 None 💨 4 mph H 66%30.36 inHg

7:00 AM

Sunny

49° 💧 None 💨 0 mph H 80%30.42 inHg

1:00 PM

Sunny

61° 💧 None 💨 6 mph H 40%30.39 inHg

7:00 PM

Clear night

59° 💧 None 💨 4 mph H 62%30.30 inHg

Monday

1:00 AM

Clear night

54° 💧 None 💨 3 mph H 74%30.33 inHg

7:00 AM

Mostly sunny

48° 💧 None 💨 3 mph H 80%30.36 inHg

In Chicago and, more broadly, across the state of Illinois: As the afternoon progresses into the evening, skies will feature a mix of sun and clouds, creating a pleasant and mild atmosphere. Temperatures are expected to remain steady, ranging between 69 and 83 degrees Fahrenheit. Winds will be moderate from the east, with sustained speeds around 10 mph and occasional gusts reaching up to 18 mph. No precipitation is anticipated during this time, making for a comfortable evening. Conditions will be relatively calm, with the gentle eastward breeze adding a slight coolness as the night sets in. Overall, it should be a pleasant and mild evening with no significant weather concerns.

15-Day Weather Outlook for Chicago

TomorrowTomorrow

Mostly sunny 75°/64° 💧 None 💨 6 mph

Tuesday, Sep 8Tue Sep 8

Mostly sunny 83°/64° 💧 None 💨 7 mph

Wednesday, Sep 9Wed Sep 9

Light rain 80°/71° 💧 0.023 in 💨 8 mph

Thursday, Sep 10Thu Sep 10

Mostly sunny 79°/65° 💧 0.004 in 💨 5 mph

Friday, Sep 11Fri Sep 11

Sunny 80°/60° 💧 0.008 in 💨 6 mph

Saturday, Sep 12Sat Sep 12

Heavy rain 75°/66° 💧 0.781 in 💨 7 mph

Sunday, Sep 13Sun Sep 13

Overcast 76°/70° 💧 0.542 in 💨 6 mph

Monday, Sep 14Mon Sep 14

Partly cloudy 89°/78° 💧 0.003 in 💨 10 mph

Tuesday, Sep 15Tue Sep 15

Overcast 90°/63° 💧 0.188 in 💨 10 mph

Wednesday, Sep 16Wed Sep 16

Mostly cloudy 71°/57° 💧 None 💨 7 mph

Thursday, Sep 17Thu Sep 17

Light rain 67°/56° 💧 0.039 in 💨 5 mph

Friday, Sep 18Fri Sep 18

Partly cloudy 73°/60° 💧 None 💨 5 mph

Saturday, Sep 19Sat Sep 19

Overcast 73°/52° 💧 0.067 in 💨 7 mph

Sunday, Sep 20Sun Sep 20

Overcast 65°/49° 💧 None 💨 6 mph

Monday, Sep 21Mon Sep 21

Mostly cloudy 61°/56° 💧 None 💨 8 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Chicago

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Chicago

Hourly forecast · Updated every 2 hours

Moderate

Nearest forecast value 5:00 PM

PM2.5 Fine particles Good 5,8µg/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 6,2µg/m³

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

O₃ Ozone Moderate 108,9µg/m³

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

NO₂ Nitrogen dioxide Good 1,3µg/m³

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

Sensitive people should reduce strenuous and prolonged outdoor exertion.

UV & HEALTH

UV, Sun & Health Outlook in Chicago

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 7,4High 😐Moderate

Tomorrow UV 7,0High 🙂Fair

Tuesday UV 6,4High 😐Moderate

Wednesday UV 2,2Low 🙂Fair

Thursday UV 5,8Moderate 🙂Fair

Friday UV 6,0High —Unavailable

Saturday UV 7,0High —Unavailable

Hourly UV index today

5:00 PMUV 1,4 6:00 PMUV 0,4 7:00 PMUV 0,0

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

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Caution for sensitive people

People with respiratory or cardiovascular conditions should reduce prolonged outdoor 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 Chicago

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · CHICAGO, ILLINOIS

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 9:00 PM–10:00 PM.

81/100Best-hour score

BEST TIME TONIGHT 9:00 PM–10:00 PM Astronomical darkness: 8:53 PM–4:46 AM

☁ Cloud cover 27% Real hourly forecast for the best viewing hour.

☾ Moonlight 24% Waning Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 8° 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 min18%

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

UPCOMING

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.

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

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Forecast data for Chicago were last refreshed today at 4:37 PM. The current forecast period extends through 08/09/2026 at 2:00 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.