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Illinois Weather Tomorrow

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Illinois · Saturday, October 17 2026

15°3°

Clear

High 15°, low 3°

Chance of rain
0%
No rain
Wind
14 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 15°C and a low of 3°C. No significant rain is expected (0% chance). Wind from the northeast at up to 14 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 5° cooler than the 7-day average. The best time to be outdoors looks like 12:00–20:00.

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.

Tomorrow's temperatures will be similar to today's.

Saturday, October 17: 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%.
What will the temperature be in Illinois on Saturday, October 17, 2026?
A high of 15°C and a low of 3°C are expected. Conditions: clear.
What time are sunrise and sunset in Illinois on October 17, 2026?
Sunrise is at 07:09 and sunset at 18:14 (local time); day length 11 h 5 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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