Weather forecast for 10 daysBallwin, MO

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 59°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphNNE 28°
  • Humidity: 44%
  • UV index: 5
  • Sunrise: 7:13 am CDT
  • Sunset: 6:21 pm CDT
  • ▼
On Saturday, October 17, sunny skies are in store, with excellent visibility.
The maximum temperature will be a moderate 59°F, while the minimum forecasted temperature is a cold 35.6°F.
A high of 59°F is expected, which aligns better with November's average peak of 53.8°F than October's 66.6°F.
Sunrise was at 7:13 am and sunset will be at 6:21 pm; the daylight will last for 11h and 8min.

Sunday Oct 18, 2026

  • 66°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphSSE 161°
  • Humidity: 51%
  • UV index: 5
  • Sunrise: 7:14 am CDT
  • Sunset: 6:19 pm CDT
  • ▼
Tomorrow, expect sunny weather with a crisp, clear sky.
A considerable disparity in temperature is anticipated, reaching up to a maximum of a comfortable 66.2°F and falling to a minimum of a cold 37.4°F.
Tomorrow's highest temperature is forecasted to match the regular high for October at 66.6°F.
Sunrise will be at 7:14 am and sunset at 6:19 pm; tomorrow's daylight will last for 11h and 5min.

10-day overview

Daily temperatures

Warmest period: Saturday - Sunday 81°C.
Coldest day: today 59°C.

Chance of precipitation

Highest chance: Sunday 25.10. 12%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 59°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphNNE 28°
  • Humidity: 44%
  • UV index: 5
  • Sunrise: 7:13 am CDT
  • Sunset: 6:21 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 66°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphSSE 161°
  • Humidity: 51%
  • UV index: 5
  • Sunrise: 7:14 am CDT
  • Sunset: 6:19 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 72°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphSSE 157°
  • Humidity: 53%
  • UV index: 5
  • Sunrise: 7:15 am CDT
  • Sunset: 6:18 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 73°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphSE 137°
  • Humidity: 52%
  • UV index: 5
  • Sunrise: 7:16 am CDT
  • Sunset: 6:17 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 75°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 3mphS 183°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:17 am CDT
  • Sunset: 6:15 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 79°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphS 176°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:18 am CDT
  • Sunset: 6:14 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 79°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphSE 130°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:19 am CDT
  • Sunset: 6:13 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 81°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphSE 146°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:20 am CDT
  • Sunset: 6:11 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 81°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 5mphSW 218°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:21 am CDT
  • Sunset: 6:10 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 77°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 5mphW 267°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 7:22 am CDT
  • Sunset: 6:09 pm CDT
  • ▼
Across the following ten days, a combination of sunny and cloudy weather is anticipated.
Rainfall is not forecasted in Ballwin in the upcoming period.
Temperature fluctuation will be noticeable in the upcoming period. The temperature is expected to swing from 59°F up to 80.6°F, while the nightly low temperatures will show also a considerable swing, as the lowest temperatures will be recorded between 35.6°F and 51.8°F.
Next Saturday and Sunday, with the highest temperature of 80.6°F, will be the warmest days in Ballwin; today is the coldest day, with a maximum temperature of 59°F.
Updated: Oct 17, 2026 @ 16:23:21 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, in Ballwin, a sun-drenched sky is anticipated.

Today, the maximum temperature will be 59°F, while the minimum temperature will be 35.6°F.
The maximum temperature today will be slightly cooler than the average highest temperature in October. Today, the lowest temperature will be noticeably lower than the average low of 48.9°F.

On Saturday, in Ballwin, sunrise was at 7:13 am and sunset will be at 6:21 pm (CDT).

In Ballwin, today, there will be 11h and 8min of daylight.

Tomorrow, skies will stay clear and sunny.

Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 37.4°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. Tomorrow, the lowest temperature will be uncommonly lower than the average low of 48.9°F.

On Sunday, in Ballwin, sunrise will be at 7:14 am and sunset at 6:19 pm (CDT).

In Ballwin, tomorrow, there will be 11h and 5min of daylight.