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Chicago, Illinois weather · now

79°

Clear

Feels
82°
High / Low
88° / 70°
Wind
33 mph WSW
Humidity
84%
Dry now; thunderstorms expected around 12:00 PM.

Precipitation · next 12 hrs

Peak 51% · 1 PM

3 AM
·
·
6 AM
·
·
9 AM
·
·
12 PM
·
2 PM
Unhealthy for sensitiveAir quality PollenTreeNoneGrassHighWeedLow
Sun 5:31 AM 8:22 PM 14h 51m
Moon Waxing Crescent 14% lit

Current weather and 7-day forecast for Chicago, Illinois, sourced directly from the National Weather Service. Expect chance showers and thunderstorms today. Today's high is 88° with a low near 70°. 2 active weather alerts in effect.

What to wear today

Loose, light, and water nearby

88°F — wear breathable fabrics and stay hydrated.

Next 24 hours

65° 80° 95° ↑ 88° ↓ 71° 3 AM 6 AM 9 AM 12 PM 3 PM 6 PM 9 PM 12 AM

  1. 3 AM

    78°

    3%

  2. 5 AM

    78°

    2%

  3. 7 AM

    79°

    4%

  4. 9 AM

    84°

    4%

  5. 11 AM

    88°

    23%

  6. 1 PM

    88°

    51%

  7. 3 PM

    83°

    35%

  8. 5 PM

    81°

    15%

  9. 7 PM

    79°

    0%

  10. 9 PM

    76°

    0%

  11. 11 PM

    74°

    0%

  12. 1 AM

    72°

    0%

Live radar

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7 days

  1. Today 7/18 Chance Showers And Thunderstorms 51% 88° · 70°
    1. 3 AM 78° Mostly Clear 3%
    2. 4 AM 78° Partly Cloudy 2%
    3. 5 AM 78° Partly Cloudy 2%
    4. 6 AM 78° Mostly Sunny 2%
    5. 7 AM 79° Mostly Sunny 4%
    6. 8 AM 82° Mostly Sunny 4%
    7. 9 AM 84° Mostly Sunny 4%
    8. 10 AM 86° Partly Sunny 9%
    9. 11 AM 88° Slight Chance Showers And Thunderstorms 23%
    10. 12 PM 88° Chance Showers And Thunderstorms 37%
    11. 1 PM 88° Chance Showers And Thunderstorms 51%
    12. 2 PM 85° Chance Showers And Thunderstorms 41%
    13. 3 PM 83° Chance Showers And Thunderstorms 35%
    14. 4 PM 81° Slight Chance Showers And Thunderstorms 22%
    15. 5 PM 81° Slight Chance Showers And Thunderstorms 15%
    16. 6 PM 80° Mostly Clear 1%
    17. 7 PM 79° Mostly Clear
    18. 8 PM 77° Patchy Smoke
    19. 9 PM 76° Patchy Smoke
    20. 10 PM 75° Patchy Smoke
    21. 11 PM 74° Patchy Smoke
  2. Sun 7/19 Patchy Smoke 0% 77° · 71°
    1. 12 AM 73° Patchy Smoke
    2. 1 AM 72° Patchy Smoke
    3. 2 AM 71° Patchy Smoke
    4. 3 AM 71° Patchy Smoke
    5. 4 AM 71° Patchy Smoke
    6. 5 AM 70° Patchy Smoke
    7. 6 AM 70° Patchy Smoke
    8. 7 AM 72° Patchy Smoke
    9. 8 AM 73° Patchy Smoke
    10. 9 AM 75° Patchy Smoke
    11. 10 AM 75° Patchy Smoke
    12. 11 AM 76° Patchy Smoke
    13. 12 PM 77° Patchy Smoke
    14. 1 PM 77° Patchy Smoke
    15. 2 PM 76° Patchy Smoke
    16. 3 PM 77° Patchy Smoke
    17. 4 PM 77° Patchy Smoke
    18. 5 PM 77° Patchy Smoke
    19. 6 PM 77° Patchy Smoke
    20. 7 PM 77° Mostly Clear
    21. 8 PM 75° Mostly Clear
    22. 9 PM 74° Mostly Clear
    23. 10 PM 74° Mostly Clear
    24. 11 PM 74° Mostly Clear
  3. Mon 7/20 Mostly Sunny 73% 87° · 74°
    1. 12 AM 73° Mostly Clear
    2. 1 AM 72° Mostly Clear
    3. 2 AM 72° Mostly Clear
    4. 3 AM 71° Mostly Clear
    5. 4 AM 71° Mostly Clear
    6. 5 AM 71° Mostly Clear
    7. 6 AM 71° Sunny
    8. 7 AM 73° Sunny 3%
    9. 8 AM 75° Mostly Sunny 3%
    10. 9 AM 78° Mostly Sunny 3%
    11. 10 AM 81° Mostly Sunny 3%
    12. 11 AM 83° Mostly Sunny 3%
    13. 12 PM 85° Mostly Sunny 3%
    14. 1 PM 86° Partly Sunny 10%
    15. 2 PM 87° Partly Sunny 10%
    16. 3 PM 87° Partly Sunny 10%
    17. 4 PM 87° Partly Sunny 10%
    18. 5 PM 87° Partly Sunny 10%
    19. 6 PM 87° Mostly Cloudy 10%
    20. 7 PM 86° Showers And Thunderstorms Likely 65%
    21. 8 PM 85° Showers And Thunderstorms Likely 65%
    22. 9 PM 83° Showers And Thunderstorms Likely 65%
    23. 10 PM 81° Showers And Thunderstorms Likely 65%
    24. 11 PM 79° Showers And Thunderstorms Likely 65%
  4. Tue 7/21 Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms 73% 85° · 66°
    1. 12 AM 78° Showers And Thunderstorms Likely 65%
    2. 1 AM 77° Showers And Thunderstorms Likely 73%
    3. 2 AM 76° Showers And Thunderstorms Likely 73%
    4. 3 AM 75° Showers And Thunderstorms Likely 73%
    5. 4 AM 75° Showers And Thunderstorms Likely 73%
    6. 5 AM 74° Showers And Thunderstorms Likely 73%
    7. 6 AM 75° Showers And Thunderstorms Likely 73%
    8. 7 AM 76° Slight Chance Showers And Thunderstorms 17%
    9. 8 AM 78° Slight Chance Showers And Thunderstorms 17%
    10. 9 AM 80° Slight Chance Showers And Thunderstorms 17%
    11. 10 AM 82° Slight Chance Showers And Thunderstorms 17%
    12. 11 AM 84° Slight Chance Showers And Thunderstorms 17%
    13. 12 PM 85° Slight Chance Showers And Thunderstorms 17%
    14. 1 PM 85° Mostly Sunny 14%
    15. 2 PM 85° Mostly Sunny 14%
    16. 3 PM 84° Mostly Sunny 14%
    17. 4 PM 84° Mostly Sunny 14%
    18. 5 PM 83° Mostly Sunny 14%
    19. 6 PM 82° Partly Cloudy 14%
    20. 7 PM 78° Mostly Clear 10%
    21. 8 PM 76° Mostly Clear 10%
    22. 9 PM 74° Mostly Clear 10%
    23. 10 PM 72° Mostly Clear 10%
    24. 11 PM 71° Mostly Clear 10%
  5. Wed 7/22 Sunny 3% 74° · 66°
    1. 12 AM 70° Mostly Clear 10%
    2. 1 AM 69° Mostly Clear 3%
    3. 2 AM 68° Mostly Clear 3%
    4. 3 AM 67° Mostly Clear 3%
    5. 4 AM 66° Mostly Clear 3%
    6. 5 AM 66° Mostly Clear 3%
    7. 6 AM 66° Sunny 3%
    8. 7 AM 67° Sunny 1%
    9. 8 AM 68° Sunny 1%
    10. 9 AM 69° Sunny 1%
    11. 10 AM 70° Sunny 1%
    12. 11 AM 70° Sunny 1%
    13. 12 PM 71° Sunny 1%
    14. 1 PM 71° Mostly Sunny
    15. 2 PM 72° Mostly Sunny
    16. 3 PM 73° Mostly Sunny
    17. 4 PM 73° Mostly Sunny
    18. 5 PM 73° Mostly Sunny
    19. 6 PM 72° Partly Cloudy
    20. 7 PM 71° Mostly Clear
    21. 8 PM 70° Mostly Clear
    22. 9 PM 69° Mostly Clear
    23. 10 PM 68° Mostly Clear
    24. 11 PM 68° Mostly Clear
  6. Thu 7/23 Sunny 10% 79° · 68°
    1. 12 AM 67° Mostly Clear
    2. 1 AM 67° Mostly Clear
    3. 2 AM 66° Mostly Clear
    4. 3 AM 66° Mostly Clear
    5. 4 AM 66° Mostly Clear
    6. 5 AM 66° Mostly Clear
    7. 6 AM 66° Sunny
    8. 7 AM 67° Sunny 1%
    9. 8 AM 68° Sunny 1%
    10. 9 AM 70° Sunny 1%
    11. 10 AM 72° Sunny 1%
    12. 11 AM 73° Sunny 1%
    13. 12 PM 74° Sunny 1%
    14. 1 PM 76° Sunny 3%
    15. 2 PM 76° Sunny 3%
    16. 3 PM 77° Sunny 3%
    17. 4 PM 78° Sunny 3%
    18. 5 PM 78° Sunny 3%
    19. 6 PM 77° Mostly Clear 3%
    20. 7 PM 76° Mostly Clear 10%
    21. 8 PM 75° Mostly Clear 10%
    22. 9 PM 74° Mostly Clear 10%
    23. 10 PM 72° Mostly Clear 10%
    24. 11 PM 72° Mostly Clear 10%
  7. Fri 7/24 Mostly Sunny 12% 81° · —
    1. 12 AM 71° Mostly Clear 10%
    2. 1 AM 70° Partly Cloudy 7%
    3. 2 AM 69° Partly Cloudy 7%
    4. 3 AM 69° Partly Cloudy 7%
    5. 4 AM 68° Partly Cloudy 7%
    6. 5 AM 68° Partly Cloudy 7%
    7. 6 AM 68° Mostly Sunny 7%
    8. 7 AM 69° Mostly Sunny 5%
    9. 8 AM 70° Mostly Sunny 5%
    10. 9 AM 72° Mostly Sunny 5%
    11. 10 AM 74° Mostly Sunny 5%
    12. 11 AM 76° Mostly Sunny 5%
    13. 12 PM 77° Mostly Sunny 5%
    14. 1 PM 78° Mostly Sunny 12%
    15. 2 PM 79° Mostly Sunny 12%
Extended outlook days 8–16
  1. Sat 7/25 Cloudy 14% 80° · 63°
  2. Sun 7/26 Cloudy 10% 86° · 68°
  3. Mon 7/27 Drizzle 13% 92° · 74°
  4. Tue 7/28 Cloudy 16% 78° · 69°
  5. Wed 7/29 Cloudy 27% 77° · 68°
  6. Thu 7/30 Cloudy 27% 86° · 66°
  7. Fri 7/31 Partly Cloudy 24% 89° · 69°
  8. Sat 8/1 Drizzle 26% 95° · 74°
  9. Sun 8/2 Cloudy 24% — · —

Days 8+ from the Open-Meteo multi-model ensemble — treat as a guide; accuracy drops past day 7.

Best day this week

Mild temps, low rain chance, clearer skies.

Wednesday, 7/22

Sunny, 74° / 66°

  1. Tomorrow77°71°
  2. Mon87°74°
  3. Tue85°66°
  4. Wed74°66°
  5. Thu79°68°
  6. Fri81°

Best time to head outside

Picks the upcoming daytime hour with the most favorable conditions for each activity. Factors in temperature, wind, precipitation timing, and pollen.

  • RunTomorrow 6 AM

    warm at 66°F · breezy (15 mph) · no rain expected · rain should clear by 7 AM · pollen high today — allergy sufferers, take note

    Excellent98 / 100
  • Bike6 AM

    comfortable at 78°F · light wind (10 mph) · no rain expected · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • Golf6 AM

    comfortable at 78°F · light wind (10 mph) · no rain expected · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • Picnic6 AM

    comfortable at 78°F · light wind (10 mph) · no rain expected · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • Magic ShowAnytime

    Any weather is magic show weather. Indoors or out, magic doesn't care.

    Corporate Magician Scott Henderson

Climate normals

What weather to expect in Chicago

Chicago in July typically averages 83° highs and 69° lows, with about 18 days of rain. The hottest stretch is July (average high 83°); the coldest is January (average low 16°).

MonthAvg highAvg lowRainy days
Jan29°16°13
Feb36°23°11
Mar52°34°16
Apr59°43°18
May65°50°14
Jun78°63°17
Jul83°69°18
Aug80°66°12
Sep76°61°8
Oct66°51°7
Nov50°39°13
Dec35°24°15

Normals derived from the past two years of observations via Open-Meteo's historical archive.

More for Chicago

Other cities in Illinois

Detailed forecast (NWS)

Saturday
A chance of showers and thunderstorms after 11am. Partly sunny. High near 88, with temperatures falling to around 81 in the afternoon. Heat index values as high as 97. West northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Sunday
Patchy smoke. Sunny, with a high near 77. East northeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 87.
Tuesday
Showers and thunderstorms likely before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 85.

Forecast details

NWS gridpoint
LOT 76,73
Radar station
KLOT
Time zone
America/Chicago
Coordinates
41.878, -87.630