Weather forecast for 10 daysOnarga, IL

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 57°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSSW 210°
  • Humidity: 43%
  • UV index: 4
  • Sunrise: 7:05 am CDT
  • Sunset: 6:08 pm CDT
  • ▼
Today, on Saturday, October 17, the forecast calls for abundant sunshine.
The temperature is anticipated to vary between a maximum of a refreshing 57.2°F and a minimum of a cold 35.6°F.
The maximum temperature for today will be slightly cooler than the regular high of 62.2°F in October.
Sunrise was at 7:05 am and sunset will be at 6:08 pm; the daylight will last for 11h and 4min.

Sunday Oct 18, 2026

  • 66°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 12mphSSW 194°
  • Humidity: 45%
  • UV index: 4
  • Sunrise: 7:06 am CDT
  • Sunset: 6:07 pm CDT
  • ▼
On Sunday, October 18, sunny skies and pleasant visibility are also expected.
Dramatic temperature shifts from a high of a breezy 66.2°F to a low of a wintry 35.6°F are anticipated.
Tomorrow, the anticipated high temperature will be moderately higher than the average October peak of 62.2°F.
Sunrise will be at 7:06 am and sunset at 6:07 pm; tomorrow's daylight will last for 11h and 1min.

10-day overview

Daily temperatures

Warmest day: Sunday 25.10. 77°C.
Coldest day: today 57°C.

Chance of precipitation

Highest chance: Monday 26.10. 13%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 57°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSSW 210°
  • Humidity: 43%
  • UV index: 4
  • Sunrise: 7:05 am CDT
  • Sunset: 6:08 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 66°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 12mphSSW 194°
  • Humidity: 45%
  • UV index: 4
  • Sunrise: 7:06 am CDT
  • Sunset: 6:07 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 70°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphS 172°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:07 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 72°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphE 92°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:08 am CDT
  • Sunset: 6:04 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 73°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 2mphSSE 153°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:10 am CDT
  • Sunset: 6:03 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 73°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 5mphNE 53°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:11 am CDT
  • Sunset: 6:01 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 75°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphESE 108°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:12 am CDT
  • Sunset: 6:00 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 75°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphSE 138°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:13 am CDT
  • Sunset: 5:58 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 77°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphSSW 194°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:14 am CDT
  • Sunset: 5:57 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 73°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 7mphNNW 335°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:15 am CDT
  • Sunset: 5:56 pm CDT
  • ▼
Weather patterns suggest that a combination of bright and overcast weather is anticipated.
Rainfall is not predicted in Onarga in the upcoming period.
Significant changes in temperature are expected in the coming days. The temperature is expected to swing from 57.2°F up to 77°F, while the variation in nighttime lows will be also notably wide, as nighttime lows are forecast to fall between 35.6°F and 48.2°F.
With the highest temperature of 77°F, next Sunday will be the warmest day; today is the coldest day, with a maximum temperature of 57.2°F.
Updated: Oct 17, 2026 @ 20:02:20 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Onarga, sunny conditions are expected to continue.

Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 35.6°F.
The maximum temperature tomorrow will be slightly warmer than the average highest temperature in October. Tomorrow, the lowest temperature will be uncommonly lower than the average low of 46.8°F.

On Sunday, in Onarga, sunrise will be at 7:06 am and sunset at 6:07 pm (CDT).

In Onarga, tomorrow, there will be 11h and 1min of daylight.