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Weather · Illinois

Chicago Weather on Tuesday, October 20, 2026

  1. TodayOctober 1919° 5°
  2. TomorrowOctober 2021° 5°
  3. WedOctober 2121° 12°
  4. ThuOctober 2222° 14°
  5. FriOctober 2323° 14°
  6. SatOctober 2423° 15°
  7. SunOctober 2519° 12°
  8. MonOctober 2618° 11°
  9. TueOctober 2716° 12°
  10. WedOctober 2814° 12°
  11. ThuOctober 2916° 13°
  12. FriOctober 3021° 16°
  13. SatOctober 3116° 13°
  14. SunNovember 115° 6°

Chicago · Tuesday, October 20 2026

21°5°

Fog

High 21°, low 5°

Chance of rain
0%
No rain
Wind
9 km/h
east
UV index
4
Moderate
Sunrise
07:09
Sunset 18:01
Day length
10 h 53 min
Moon
Waxing gibbous
72% illuminated

Updated: · Source: Open-Meteo

Forecast for Chicago on Tuesday, October 20, 2026: fog, with a high of 21°C and a low of 5°C. No significant rain is expected (0% chance). Wind from the east at up to 9 km/h. Sunrise is at 07:09 and sunset at 18:01; day length 10 h 53 min. 2° warmer than the previous day. Temperatures are close to the 7-day average. The best time to be outdoors looks like 10:00–21:00.

What to wear and what to watch out for

  • Cool in the morning and evening: dress in layers and bring a sweater or jacket.
  • A good day for outdoor activities.

Tuesday, October 20: hour by hour

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Weather nearby on October 20

Frequently asked questions

Will it rain in Chicago on Tuesday, October 20, 2026?
Most likely not: the chance of rain is 0%.
What will the temperature be in Chicago on Tuesday, October 20, 2026?
A high of 21°C and a low of 5°C are expected. Conditions: fog.
What time are sunrise and sunset in Chicago on October 20, 2026?
Sunrise is at 07:09 and sunset at 18:01 (local time); day length 10 h 53 min.
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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