Weather forecast for 10 daysOlney, IL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSE 143°
- Humidity: 51%
- UV index: 5
- Sunrise: 7:04 am CDT
- Sunset: 6:10 pm CDT
- details ▼
On Sunday, October 18, sunshine is expected with little to no cloud cover.
The highest daytime temperature will touch an enjoyable 66.2°F, creating a significant contrast with the forecasted nighttime low of a wintry 37.4°F.
Tomorrow, the forecasted maximum temperature should be consistent with October's typical high of 65.8°F.
Sunrise will be at 7:04 am and sunset at 6:10 pm; tomorrow's daylight will last for 11h and 5min.
The highest daytime temperature will touch an enjoyable 66.2°F, creating a significant contrast with the forecasted nighttime low of a wintry 37.4°F.
Tomorrow, the forecasted maximum temperature should be consistent with October's typical high of 65.8°F.
Sunrise will be at 7:04 am and sunset at 6:10 pm; tomorrow's daylight will last for 11h and 5min.
10-day overview
Daily temperatures
Warmest day: Sunday 25.10. 79°C.
Coldest day: tomorrow 66°C.
Coldest day: tomorrow 66°C.
Chance of precipitation
Highest chance: today - Monday 5%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 37°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphE 99°
- Humidity: 83%
- UV index: 0
- Sunrise: 7:03 am CDT
- Sunset: 6:11 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSE 143°
- Humidity: 51%
- UV index: 5
- Sunrise: 7:04 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 72°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 1mphESE 108°
- Humidity: 50%
- UV index: 5
- Sunrise: 7:05 am CDT
- Sunset: 6:08 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 43°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 3mphNE 52°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:06 am CDT
- Sunset: 6:07 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphNE 40°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:07 am CDT
- Sunset: 6:05 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphNNE 31°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:08 am CDT
- Sunset: 6:04 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 77°F
- 46°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphENE 74°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:09 am CDT
- Sunset: 6:03 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 77°F
- 45°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphESE 105°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:11 am CDT
- Sunset: 6:01 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 79°F
- 46°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphSSE 164°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:12 am CDT
- Sunset: 6:00 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 77°F
- 46°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphNNE 30°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:13 am CDT
- Sunset: 5:59 pm CDT
- details ▼
In the days ahead, a combination of sunny and cloudy weather is predicted.
Rain is not forecasted in Olney in the upcoming days.
Noticeable swings in temperature are expected in the upcoming days. Forecast highs will fluctuate between 66.2°F and 78.8°F, while the lowest temperature will be between 37.4°F and 46.4°F.
Expect the warmest day on next Sunday, with temperatures peaking at 78.8°F; Sunday will be the coldest day, with the highest temperature of 66.2°F.
Rain is not forecasted in Olney in the upcoming days.
Noticeable swings in temperature are expected in the upcoming days. Forecast highs will fluctuate between 66.2°F and 78.8°F, while the lowest temperature will be between 37.4°F and 46.4°F.
Expect the warmest day on next Sunday, with temperatures peaking at 78.8°F; Sunday will be the coldest day, with the highest temperature of 66.2°F.
Updated: Oct 18, 2026 @ 01:14:45 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, sunshine will likely continue with scattered clouds at most.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 37.4°F.
The maximum temperature tomorrow will be in line with the average highest temperature in October. The lowest temperature will be noticeably lower than the average low of 49.3°F.
The maximum temperature tomorrow will be in line with the average highest temperature in October. The lowest temperature will be noticeably lower than the average low of 49.3°F.
On Sunday, in Olney, sunrise will be at 7:04 am and sunset at 6:10 pm (CDT).
In Olney, tomorrow, there will be 11h and 5min of daylight.
