Weather forecast for 10 daysChesterfield, IL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 10mphS 171°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:13 am CDT
- Sunset: 6:17 pm CDT
- details ▼
Tomorrow, the outlook remains bright and sunny.
A wide temperature range is predicted, from a high of an enjoyable 66.2°F to a low of an icy 37.4°F.
Tomorrow, the forecasted high will correspond with the regular October temperature of 64.8°F.
Sunrise will be at 7:13 am and sunset at 6:17 pm; tomorrow's daylight will last for 11h and 4min.
A wide temperature range is predicted, from a high of an enjoyable 66.2°F to a low of an icy 37.4°F.
Tomorrow, the forecasted high will correspond with the regular October temperature of 64.8°F.
Sunrise will be at 7:13 am and sunset at 6:17 pm; tomorrow's daylight will last for 11h and 4min.
10-day overview
Daily temperatures
Warmest day: Sunday 25.10. 81°C.
Coldest day: tomorrow 66°C.
Coldest day: tomorrow 66°C.
Chance of precipitation
Highest chance: Monday - Friday 5%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 37°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphSE 141°
- Humidity: 74%
- UV index: 0
- Sunrise: 7:12 am CDT
- Sunset: 6:18 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 10mphS 171°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:13 am CDT
- Sunset: 6:17 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 72°F
- 41°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphSSE 168°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:14 am CDT
- Sunset: 6:15 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 72°F
- 45°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphESE 122°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:15 am CDT
- Sunset: 6:14 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 43°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphS 186°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:16 am CDT
- Sunset: 6:13 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 77°F
- 43°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphENE 77°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:17 am CDT
- Sunset: 6:11 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 77°F
- 46°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphESE 123°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:18 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 79°F
- 46°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphSSE 148°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:19 am CDT
- Sunset: 6:09 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 81°F
- 50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphSSW 194°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:20 am CDT
- Sunset: 6:07 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 77°F
- 48°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphSSE 157°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:21 am CDT
- Sunset: 6:06 pm CDT
- details ▼
Over the next ten days, a combination of sun-filled and dull weather is predicted.
Rain is not forecasted in Chesterfield in the upcoming days.
There will be a considerable variation in temperature in the coming days. The maximum temperature will vary between 66.2°F and 80.6°F, while the variation in nighttime lows will be also notably wide, as the lowest temperatures will be recorded between 37.4°F and 50°F.
Expect the warmest day on next Sunday, with temperatures peaking at 80.6°F; expect the coldest day on Sunday with a high of 66.2°F.
Rain is not forecasted in Chesterfield in the upcoming days.
There will be a considerable variation in temperature in the coming days. The maximum temperature will vary between 66.2°F and 80.6°F, while the variation in nighttime lows will be also notably wide, as the lowest temperatures will be recorded between 37.4°F and 50°F.
Expect the warmest day on next Sunday, with temperatures peaking at 80.6°F; expect the coldest day on Sunday with a high of 66.2°F.
Updated: Oct 17, 2026 @ 23:15:07 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
Tomorrow, in Chesterfield, a sun-drenched sky is anticipated.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 37.4°F.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. Tomorrow, the lowest temperature will be uncommonly lower than the average low of 48.2°F.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. Tomorrow, the lowest temperature will be uncommonly lower than the average low of 48.2°F.
On Sunday, in Chesterfield, sunrise will be at 7:13 am and sunset at 6:17 pm (CDT).
In Chesterfield, the length of the day tomorrow will be 11h and 4min.
