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Weather · Illinois

Chicago 3-Day Weather Forecast

  1. TodayOctober 1817° 4°
  2. TomorrowOctober 1919° 5°
  3. TueOctober 2020° 12°
  4. WedOctober 2121° 12°
  5. ThuOctober 2222° 14°
  6. FriOctober 2322° 14°
  7. SatOctober 2422° 15°
  8. SunOctober 2518° 9°
  9. MonOctober 2614° 7°
  10. TueOctober 2715° 7°
  11. WedOctober 2817° 12°
  12. ThuOctober 2917° 15°
  13. FriOctober 3020° 14°
  14. SatOctober 3120° 13°

Over the 3 days from October 18 to October 20, temperatures in Chicago will range from 4°C to 20°C; the warmest day is October 20. No significant rain is expected during this period.

Chicago 3-day forecast table

The bar shows each day's range against the period's lowest and highest temperature.

  1. TodayOctober 184°17°21 km/h
  2. TomorrowOctober 195°19°8 km/h
  3. TuesdayOctober 2012°20°10 km/h

Chicago weather hour by hour

The line shows temperature, bars show chance of rain.

6°02:005°05:005°08:0012°11:0016°14:0017°17:0011°20:008°23:006°02:005°05:005°08:0014°11:0018°14:0018°17:0016°20:0014°23:0014°02:0013°05:0012°08:0018°11:0020°14:0019°17:0016°20:00

Frequently asked questions

What will the weather be like in Chicago over the next 3 days?
Over the 3 days from October 18 to October 20, temperatures in Chicago will range from 4°C to 20°C; the warmest day is October 20. No significant rain is expected during this period.
How reliable is this forecast?
Forecasts for the first 3 days are usually highly accurate; this page is updated about every 30 minutes.

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