Weather forecast for 10 daysWentzville, MO
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphSSE 167°
- Humidity: 53%
- UV index: 5
- Sunrise: 7:16 am CDT
- Sunset: 6:20 pm CDT
- details ▼
On Sunday, in Wentzville, the forecast calls for abundant sunshine.
The highest daytime temperature will touch a comfortable 66.2°F, creating a significant contrast with the anticipated nighttime low of an icy 37.4°F.
Today's peak is expected to reflect the usual October high temperature of 65.7°F.
Sunrise was at 7:16 am and sunset will be at 6:20 pm; the daylight will last for 11h and 5min.
The highest daytime temperature will touch a comfortable 66.2°F, creating a significant contrast with the anticipated nighttime low of an icy 37.4°F.
Today's peak is expected to reflect the usual October high temperature of 65.7°F.
Sunrise was at 7:16 am and sunset will be at 6:20 pm; the daylight will last for 11h and 5min.
10-day overview
Daily temperatures
Warmest day: Sunday 25.10. 81°C.
Coldest day: today 66°C.
Coldest day: today 66°C.
Chance of precipitation
Highest chance: Tuesday 27.10. 10%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphSSE 167°
- Humidity: 53%
- UV index: 5
- Sunrise: 7:16 am CDT
- Sunset: 6:20 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 72°F
- 43°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 3mphSSE 162°
- Humidity: 56%
- UV index: 5
- Sunrise: 7:17 am CDT
- Sunset: 6:19 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 43°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 3mphSE 143°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:18 am CDT
- Sunset: 6:18 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 43°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 2mphS 183°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:19 am CDT
- Sunset: 6:16 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 77°F
- 43°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 3mphSSE 149°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:20 am CDT
- Sunset: 6:15 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 77°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSE 136°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:21 am CDT
- Sunset: 6:14 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 79°F
- 48°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphSSE 158°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:22 am CDT
- Sunset: 6:12 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 81°F
- 50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphSSW 207°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:23 am CDT
- Sunset: 6:11 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 79°F
- 48°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphSW 216°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:24 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 79°F
- 52°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 6mphS 175°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:25 am CDT
- Sunset: 6:09 pm CDT
- details ▼
A combination of sun-filled and cloudy weather is predicted.
Rainfall is not anticipated in Wentzville in the upcoming period.
Substantial differences in temperature are forecasted over the next several days. The temperature is expected to swing from 66.2°F up to 80.6°F, while the fluctuation in night temperatures will be also significant, as the overnight lows will vary from 37.4°F to 51.8°F.
The warmest day will be next Sunday, with a maximum of 80.6°F; today is the coldest day, with a maximum temperature of 66.2°F.
Rainfall is not anticipated in Wentzville in the upcoming period.
Substantial differences in temperature are forecasted over the next several days. The temperature is expected to swing from 66.2°F up to 80.6°F, while the fluctuation in night temperatures will be also significant, as the overnight lows will vary from 37.4°F to 51.8°F.
The warmest day will be next Sunday, with a maximum of 80.6°F; today is the coldest day, with a maximum temperature of 66.2°F.
Updated: Oct 18, 2026 @ 13:38:31 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
Today, in Wentzville, sunshine is forecasted under mostly clear skies.
Today, the highest temperature will be 66.2°F, while the lowest temperature will be 37.4°F.
The maximum temperature today will be in line with the average highest temperature in October. Today, the lowest temperature will be significantly lower than the average low of 48.2°F.
The maximum temperature today will be in line with the average highest temperature in October. Today, the lowest temperature will be significantly lower than the average low of 48.2°F.
On Sunday, in Wentzville, sunrise was at 7:16 am and sunset will be at 6:20 pm (CDT).
In Wentzville, today, there will be 11h and 5min of daylight.
