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Current weather in Chicago is overcast clouds.

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

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

Now · 1:12 PM

Chicago Weather & Hourly Forecast

United States · Illinois · 60617

83°F

Overcast

Feels like: 88°F

💧 Humidity 71% 🌡 Pressure 30.12 inHg 💨 Wind 6 mph 👁 Visibility 20.5 mi ☁ Clouds 100% ☀️ UV index 5.8 · Moderate 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Chicago

Today

2:00 PM

Overcast

83° 💧 0.009 in 💨 5 mph H 72%30.12 inHg

5:00 PM

Light thunderstorms

77° 💧 0.050 in 💨 5 mph H 86%30.12 inHg

8:00 PM

Overcast night

71° 💧 0.001 in 💨 7 mph H 94%30.15 inHg

11:00 PM

Overcast night

70° 💧 0.004 in 💨 8 mph H 92%30.21 inHg

Tomorrow

2:00 AM

Partly cloudy night

69° 💧 0.001 in 💨 7 mph H 92%30.21 inHg

5:00 AM

Partly cloudy night

68° 💧 0.000 in 💨 6 mph H 88%30.21 inHg

8:00 AM

Sunny

68° 💧 None 💨 8 mph H 81%30.24 inHg

11:00 AM

Partly cloudy

70° 💧 None 💨 8 mph H 69%30.24 inHg

2:00 PM

Sunny

72° 💧 None 💨 7 mph H 65%30.21 inHg

5:00 PM

Sunny

72° 💧 None 💨 7 mph H 68%30.15 inHg

8:00 PM

Clear night

69° 💧 None 💨 5 mph H 81%30.15 inHg

11:00 PM

Clear night

68° 💧 None 💨 6 mph H 78%30.12 inHg

Saturday

2:00 AM

Overcast night

67° 💧 0.173 in 💨 8 mph H 83%30.06 inHg

5:00 AM

Overcast night

64° 💧 0.045 in 💨 8 mph H 81%30.03 inHg

8:00 AM

Overcast

64° 💧 0.017 in 💨 7 mph H 80%30.00 inHg

11:00 AM

Light rain

67° 💧 0.054 in 💨 5 mph H 86%30.00 inHg

Today

2:00 PM

Overcast

83° 💧 0.000 in 💨 5 mph H 72%30.12 inHg

3:00 PM

Mostly cloudy

82° 💧 0.001 in 💨 4 mph H 74%30.12 inHg

4:00 PM

Light rain

80° 💧 0.007 in 💨 4 mph H 82%30.12 inHg

5:00 PM

Light thunderstorms

77° 💧 0.021 in 💨 5 mph H 86%30.12 inHg

6:00 PM

Light rain

73° 💧 0.019 in 💨 6 mph H 91%30.12 inHg

7:00 PM

Light rain

72° 💧 0.010 in 💨 6 mph H 94%30.15 inHg

8:00 PM

Overcast night

71° 💧 0.000 in 💨 7 mph H 94%30.15 inHg

9:00 PM

Overcast night

71° 💧 None 💨 8 mph H 93%30.18 inHg

10:00 PM

Overcast night

70° 💧 0.000 in 💨 7 mph H 93%30.21 inHg

11:00 PM

Overcast night

70° 💧 0.001 in 💨 8 mph H 92%30.21 inHg

Tomorrow

12:00 AM

Overcast night

70° 💧 0.001 in 💨 7 mph H 92%30.21 inHg

1:00 AM

Mostly cloudy night

70° 💧 0.001 in 💨 7 mph H 92%30.21 inHg

2:00 AM

Partly cloudy night

69° 💧 0.000 in 💨 7 mph H 92%30.21 inHg

3:00 AM

Partly cloudy night

69° 💧 0.000 in 💨 7 mph H 91%30.21 inHg

4:00 AM

Partly cloudy night

69° 💧 0.000 in 💨 7 mph H 89%30.21 inHg

5:00 AM

Partly cloudy night

68° 💧 0.000 in 💨 6 mph H 88%30.21 inHg

6:00 AM

Mostly clear night

68° 💧 None 💨 6 mph H 88%30.21 inHg

7:00 AM

Mostly sunny

67° 💧 None 💨 7 mph H 86%30.21 inHg

8:00 AM

Sunny

68° 💧 None 💨 8 mph H 81%30.24 inHg

9:00 AM

Mostly sunny

69° 💧 None 💨 8 mph H 75%30.24 inHg

10:00 AM

Mostly sunny

69° 💧 None 💨 8 mph H 72%30.24 inHg

11:00 AM

Partly cloudy

70° 💧 None 💨 8 mph H 69%30.24 inHg

12:00 PM

Mostly sunny

71° 💧 None 💨 7 mph H 66%30.24 inHg

1:00 PM

Mostly sunny

71° 💧 None 💨 7 mph H 66%30.21 inHg

2:00 PM

Sunny

72° 💧 None 💨 7 mph H 65%30.21 inHg

3:00 PM

Sunny

72° 💧 None 💨 7 mph H 65%30.18 inHg

4:00 PM

Sunny

72° 💧 None 💨 7 mph H 65%30.15 inHg

5:00 PM

Sunny

72° 💧 None 💨 7 mph H 68%30.15 inHg

6:00 PM

Sunny

71° 💧 None 💨 6 mph H 73%30.12 inHg

7:00 PM

Mostly clear night

69° 💧 None 💨 5 mph H 80%30.12 inHg

8:00 PM

Clear night

69° 💧 None 💨 5 mph H 81%30.15 inHg

9:00 PM

Clear night

69° 💧 None 💨 4 mph H 82%30.15 inHg

10:00 PM

Clear night

68° 💧 None 💨 5 mph H 81%30.12 inHg

11:00 PM

Clear night

68° 💧 None 💨 6 mph H 78%30.12 inHg

Saturday

12:00 AM

Mostly clear night

68° 💧 None 💨 5 mph H 81%30.09 inHg

1:00 AM

Mostly cloudy night

67° 💧 None 💨 6 mph H 83%30.09 inHg

2:00 AM

Overcast night

67° 💧 0.001 in 💨 8 mph H 83%30.06 inHg

3:00 AM

Light thunderstorms

66° 💧 0.069 in 💨 8 mph H 86%30.06 inHg

4:00 AM

Thunderstorms

64° 💧 0.103 in 💨 9 mph H 86%30.06 inHg

5:00 AM

Overcast night

64° 💧 0.004 in 💨 8 mph H 81%30.03 inHg

6:00 AM

Light rain

64° 💧 0.019 in 💨 9 mph H 81%30.03 inHg

7:00 AM

Light rain

63° 💧 0.022 in 💨 7 mph H 82%30.00 inHg

8:00 AM

Overcast

64° 💧 0.000 in 💨 7 mph H 80%30.00 inHg

9:00 AM

Overcast

65° 💧 0.001 in 💨 5 mph H 80%30.00 inHg

10:00 AM

Light rain

66° 💧 0.015 in 💨 5 mph H 81%30.00 inHg

11:00 AM

Light rain

67° 💧 0.046 in 💨 5 mph H 86%30.00 inHg

12:00 PM

Light rain

69° 💧 0.008 in 💨 5 mph H 87%29.94 inHg

1:00 PM

Mostly cloudy

72° 💧 None 💨 6 mph H 84%29.91 inHg

2:00 PM

Overcast

77° 💧 None 💨 5 mph H 79%29.88 inHg

3:00 PM

Overcast

78° 💧 None 💨 3 mph H 80%29.85 inHg

4:00 PM

Overcast

79° 💧 None 💨 3 mph H 81%29.85 inHg

5:00 PM

Mostly cloudy

80° 💧 None 💨 3 mph H 81%29.83 inHg

6:00 PM

Light thunderstorms

77° 💧 0.055 in 💨 2 mph H 88%29.83 inHg

7:00 PM

Thunderstorms

74° 💧 0.156 in 💨 4 mph H 96%29.85 inHg

Sunday

4:00 AM

Light rain

68° 💧 None 💨 6 mph H 98%29.85 inHg

7:00 AM

Overcast

67° 💧 None 💨 8 mph H 95%29.88 inHg

10:00 AM

Overcast

68° 💧 None 💨 6 mph H 87%29.94 inHg

1:00 PM

Overcast

69° 💧 None 💨 10 mph H 82%29.94 inHg

4:00 PM

Light rain

67° 💧 None 💨 9 mph H 84%29.94 inHg

7:00 PM

Light rain

66° 💧 None 💨 11 mph H 79%29.97 inHg

10:00 PM

Moderate rain

64° 💧 None 💨 11 mph H 87%30.00 inHg

Monday

1:00 AM

Heavy rain

63° 💧 None 💨 10 mph H 93%30.00 inHg

4:00 AM

Light rain

60° 💧 None 💨 11 mph H 93%30.00 inHg

7:00 AM

Moderate rain

60° 💧 None 💨 11 mph H 92%30.03 inHg

10:00 AM

Moderate rain

60° 💧 None 💨 12 mph H 91%30.06 inHg

1:00 PM

Light rain

61° 💧 None 💨 12 mph H 85%30.06 inHg

4:00 PM

Light rain

61° 💧 None 💨 13 mph H 82%30.06 inHg

7:00 PM

Overcast night

61° 💧 None 💨 11 mph H 78%30.06 inHg

10:00 PM

Light rain

60° 💧 None 💨 11 mph H 87%30.12 inHg

Tuesday

1:00 AM

Overcast night

60° 💧 None 💨 10 mph H 80%30.09 inHg

4:00 AM

Overcast night

58° 💧 None 💨 10 mph H 81%30.12 inHg

7:00 AM

Partly cloudy

57° 💧 None 💨 10 mph H 83%30.12 inHg

10:00 AM

Mostly cloudy

60° 💧 None 💨 12 mph H 76%30.18 inHg

1:00 PM

Overcast

62° 💧 None 💨 13 mph H 71%30.18 inHg

4:00 PM

Light rain

61° 💧 None 💨 12 mph H 73%30.18 inHg

7:00 PM

Mostly clear night

60° 💧 None 💨 10 mph H 72%30.18 inHg

10:00 PM

Clear night

59° 💧 None 💨 10 mph H 78%30.21 inHg

Wednesday

1:00 AM

Clear night

56° 💧 None 💨 7 mph H 85%30.24 inHg

7:00 AM

Mostly cloudy

60° 💧 None 💨 7 mph H 85%30.24 inHg

1:00 PM

Overcast

59° 💧 None 💨 7 mph H 87%30.27 inHg

7:00 PM

Overcast night

62° 💧 None 💨 8 mph H 78%30.27 inHg

Thursday

1:00 AM

Overcast night

60° 💧 None 💨 6 mph H 87%30.27 inHg

7:00 AM

Overcast

59° 💧 None 💨 3 mph H 91%30.27 inHg

1:00 PM

Overcast

59° 💧 None 💨 4 mph H 90%30.27 inHg

7:00 PM

Overcast night

63° 💧 None 💨 7 mph H 75%30.30 inHg

Friday

1:00 AM

Overcast night

61° 💧 None 💨 4 mph H 80%30.27 inHg

7:00 AM

Overcast

60° 💧 None 💨 3 mph H 87%30.24 inHg

1:00 PM

Mostly sunny

57° 💧 None 💨 5 mph H 91%30.27 inHg

7:00 PM

Mostly clear night

68° 💧 None 💨 8 mph H 66%30.27 inHg

Saturday

1:00 AM

Mostly clear night

62° 💧 None 💨 5 mph H 79%30.24 inHg

7:00 AM

Sunny

59° 💧 None 💨 4 mph H 82%30.24 inHg

1:00 PM

Sunny

58° 💧 None 💨 4 mph H 87%30.24 inHg

7:00 PM

Mostly clear night

67° 💧 None 💨 7 mph H 65%30.27 inHg

Sunday

1:00 AM

Clear night

61° 💧 None 💨 4 mph H 78%30.21 inHg

7:00 AM

Sunny

60° 💧 None 💨 4 mph H 89%30.24 inHg

1:00 PM

Sunny

55° 💧 None 💨 2 mph H 98%30.24 inHg

7:00 PM

Mostly clear night

67° 💧 None 💨 4 mph H 67%30.21 inHg

Monday

1:00 AM

Mostly clear night

61° 💧 None 💨 3 mph H 79%30.15 inHg

7:00 AM

Mostly cloudy

56° 💧 None 💨 3 mph H 86%30.18 inHg

1:00 PM

Sunny

51° 💧 None 💨 1 mph H 92%30.18 inHg

7:00 PM

Clear night

68° 💧 None 💨 4 mph H 56%30.18 inHg

Tuesday

1:00 AM

Clear night

61° 💧 None 💨 3 mph H 78%30.12 inHg

7:00 AM

Sunny

58° 💧 None 💨 4 mph H 83%30.12 inHg

1:00 PM

Overcast

60° 💧 None 💨 4 mph H 86%30.12 inHg

7:00 PM

Clear night

74° 💧 None 💨 4 mph H 70%30.09 inHg

Wednesday

1:00 AM

Mostly clear night

69° 💧 None 💨 3 mph H 91%30.06 inHg

7:00 AM

Sunny

65° 💧 None 💨 6 mph H 80%30.09 inHg

1:00 PM

Sunny

59° 💧 None 💨 4 mph H 88%30.12 inHg

7:00 PM

Mostly clear night

77° 💧 None 💨 4 mph H 60%30.09 inHg

Thursday

1:00 AM

Mostly clear night

72° 💧 None 💨 0 mph H 77%30.09 inHg

7:00 AM

Light rain

63° 💧 None 💨 3 mph H 94%30.15 inHg

1:00 PM

Sunny

62° 💧 None 💨 6 mph H 91%30.18 inHg

7:00 PM

Mostly clear night

73° 💧 None 💨 9 mph H 70%30.21 inHg

Friday

1:00 AM

Clear night

64° 💧 None 💨 7 mph H 87%30.21 inHg

In Chicago and, more broadly, across the state of Illinois: The afternoon will feature a mix of sun and clouds with temperatures reaching between 74 and 86 degrees Fahrenheit. Conditions will remain warm and relatively mild, with light westerly winds averaging around 8 mph and gusts up to 15 mph. There is a possibility of some rain developing later in the day, with total accumulation expected to be around 0.11 inches. Overall, the weather will be pleasant but with a chance of brief showers. Be prepared for changing conditions if planning outdoor activities.

15-Day Weather Outlook for Chicago

TomorrowTomorrow

Overcast 72°/67° 💧 None 💨 8 mph

Saturday, Sep 19Sat Sep 19

Light thunderstorms 80°/63° 💧 None 💨 9 mph

Sunday, Sep 20Sun Sep 20

Moderate rain 69°/64° 💧 1.881 in 💨 11 mph

Monday, Sep 21Mon Sep 21

Heavy rain 63°/60° 💧 1.862 in 💨 13 mph

Tuesday, Sep 22Tue Sep 22

Light rain 62°/57° 💧 0.128 in 💨 13 mph

Wednesday, Sep 23Wed Sep 23

Overcast 62°/56° 💧 0.004 in 💨 8 mph

Thursday, Sep 24Thu Sep 24

Overcast 63°/59° 💧 0.014 in 💨 7 mph

Friday, Sep 25Fri Sep 25

Mostly sunny 68°/57° 💧 0.013 in 💨 8 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 67°/58° 💧 None 💨 7 mph

Sunday, Sep 27Sun Sep 27

Mostly sunny 67°/55° 💧 0.005 in 💨 4 mph

Monday, Sep 28Mon Sep 28

Mostly sunny 68°/51° 💧 0.001 in 💨 4 mph

Tuesday, Sep 29Tue Sep 29

Overcast 74°/58° 💧 None 💨 4 mph

Wednesday, Sep 30Wed Sep 30

Mostly sunny 77°/59° 💧 0.069 in 💨 6 mph

Thursday, Oct 1Thu Oct 1

Light rain 73°/62° 💧 0.053 in 💨 9 mph

Friday, Oct 2Fri Oct 2

Sunny 64°/64° 💧 0.002 in 💨 7 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

Fair

Nearest forecast value 2:00 PM

PM2.5 Fine particles Good 8,6µg/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 9,3µg/m³

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

O₃ Ozone Fair 86,1µg/m³

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

NO₂ Nitrogen dioxide Good 1,8µg/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 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 5,8Moderate 🙂Fair

Tomorrow UV 2,9Low 🙂Fair

Saturday UV 2,5Low 🙂Fair

Sunday UV 2,0Low 🙂Fair

Monday UV 5,0Moderate 🙂Fair

Tuesday UV 6,0High —Unavailable

Wednesday UV 6,0High —Unavailable

Hourly UV index today

2:00 PMUV 4,9 3:00 PMUV 3,7 4:00 PMUV 2,3 5:00 PMUV 1,0 6:00 PMUV 0,3 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.

Acceptable air quality

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

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure.

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

Good observing conditions. Best local viewing window: 4:00 AM–5:00 AM.

67/100Best-hour score

BEST TIME TONIGHT 4:00 AM–5:00 AM Astronomical darkness: 8:31 PM–5:00 AM

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

☾ Moonlight 41% First Quarter · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 87° 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 min67%

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 12:49 PM. The current forecast period extends through 19/09/2026 at 11:00 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.