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Weather · United States

Illinois Weekend Weather

  1. TodayOctober 1614° 5°
  2. TomorrowOctober 1713° 1°
  3. SunOctober 1818° 5°
  4. MonOctober 1921° 8°
  5. TueOctober 2023° 10°
  6. WedOctober 2123° 10°
  7. ThuOctober 2225° 12°
  8. FriOctober 2326° 13°
  9. SatOctober 2425° 14°
  10. SunOctober 2524° 13°
  11. MonOctober 2623° 14°
  12. TueOctober 2719° 8°
  13. WedOctober 2817° 9°
  14. ThuOctober 2915° 8°

Weekend in Illinois: Saturday 13°/1° (clear), Sunday 18°/5° (clear).

Saturday, October 17

Illinois · Saturday, October 17 2026

13°1°

Clear

High 13°, low 1°

Chance of rain
0%
No rain
Wind
26 km/h
northeast
UV index
5
Moderate
Sunrise
07:09
Sunset 18:14
Day length
11 h 5 min
Moon
First quarter
41% illuminated

Updated: · Source: Open-Meteo

Forecast for Illinois on Saturday, October 17, 2026: clear, with a high of 13°C and a low of 1°C. No significant rain is expected (0% chance). Wind from the northeast at up to 26 km/h. Sunrise is at 07:09 and sunset at 18:14; day length 11 h 5 min. Temperatures similar to the previous day. This day is 7° cooler than the 7-day average. The best time to be outdoors looks like 13:00–19:00.

What to wear and what to watch out for

  • Cool in the morning and evening: dress in layers and bring a sweater or jacket.

Saturday, October 17: hour by hour

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Sunday, October 18

Illinois · Sunday, October 18 2026

18°5°

Clear

High 18°, low 5°

Chance of rain
0%
No rain
Wind
18 km/h
south
UV index
5
Moderate
Sunrise
07:10
Sunset 18:12
Day length
11 h 2 min
Moon
First quarter
51% illuminated

Updated: · Source: Open-Meteo

Forecast for Illinois on Sunday, October 18, 2026: clear, with a high of 18°C and a low of 5°C. No significant rain is expected (0% chance). Wind from the south at up to 18 km/h. Sunrise is at 07:10 and sunset at 18:12; day length 11 h 2 min. 5° 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.

Sunday, October 18: hour by hour

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Weather nearby on October 17

Frequently asked questions

Will it rain in Illinois on Saturday, October 17, 2026?
Most likely not: the chance of rain is 0%.
Will it rain in Illinois on Sunday, October 18, 2026?
Most likely not: the chance of rain is 0%.

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