Weather forecast for 10 daysHartsburg, IL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 11mphS 183°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:11 am CDT
- Sunset: 6:13 pm CDT
- details ▼
On Sunday, in Hartsburg, expect consistent sunshine and open skies.
Temperature readings will considerable fluctuate from a daytime peak of an enjoyable 66.2°F to a nighttime low of an icy 37.4°F.
Today's peak is expected to reflect the usual October high temperature of 63.7°F.
Sunrise was at 7:11 am and sunset will be at 6:13 pm; the daylight will last for 11h and 2min.
Temperature readings will considerable fluctuate from a daytime peak of an enjoyable 66.2°F to a nighttime low of an icy 37.4°F.
Today's peak is expected to reflect the usual October high temperature of 63.7°F.
Sunrise was at 7:11 am and sunset will be at 6:13 pm; the daylight will last for 11h and 2min.
10-day overview
Daily temperatures
Warmest day: Sunday 25.10. 79°C.
Coldest day: today 66°C.
Coldest day: today 66°C.
Chance of precipitation
Highest chance: Tuesday 27.10. 11%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 11mphS 183°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:11 am CDT
- Sunset: 6:13 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 70°F
- 39°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphSSE 163°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:13 am CDT
- Sunset: 6:12 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphESE 114°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:14 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphS 180°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:15 am CDT
- Sunset: 6:09 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 43°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphE 86°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:16 am CDT
- Sunset: 6:08 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 75°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphSE 125°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:17 am CDT
- Sunset: 6:06 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 77°F
- 48°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 9mphSSE 153°
- Humidity: 49%
- UV index: 3
- Sunrise: 7:18 am CDT
- Sunset: 6:05 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 79°F
- 50°F
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 6mphS 191°
- Humidity: 48%
- UV index: 3
- Sunrise: 7:19 am CDT
- Sunset: 6:03 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 77°F
- 50°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphSSW 192°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:20 am CDT
- Sunset: 6:02 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 75°F
- 50°F
Partly Cloudy
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 7mphSE 131°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:21 am CDT
- Sunset: 6:01 pm CDT
- details ▼
During the upcoming ten-day period, a combination of sunny and dull weather is anticipated.
Rainfall is not predicted in Hartsburg in the upcoming period.
Temperature fluctuation will be noticeable in the upcoming period. The temperature is expected to swing from 66.2°F up to 78.8°F, while the nightly low temperatures will show also a considerable swing, as the minimum temperature is expected to range between 37.4°F and 50°F.
Next Sunday will be the warmest day, with a maximum temperature of 78.8°F; today is the coldest day, with a maximum temperature of 66.2°F.
Rainfall is not predicted in Hartsburg in the upcoming period.
Temperature fluctuation will be noticeable in the upcoming period. The temperature is expected to swing from 66.2°F up to 78.8°F, while the nightly low temperatures will show also a considerable swing, as the minimum temperature is expected to range between 37.4°F and 50°F.
Next Sunday will be the warmest day, with a maximum temperature of 78.8°F; today is the coldest day, with a maximum temperature of 66.2°F.
Updated: Oct 18, 2026 @ 12:23:25 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, conditions will remain bright with clear skies.
Today, the maximum temperature will be 66.2°F, while the minimum temperature will be 37.4°F.
Today, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature will be noticeably lower than the average low of 47.3°F.
Today, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature will be noticeably lower than the average low of 47.3°F.
On Sunday, in Hartsburg, sunrise was at 7:11 am and sunset will be at 6:13 pm (CDT).
In Hartsburg, Illinois, the length of the day today will be 11h and 2min.
