Weather forecast for 10 daysLake Saint Louis, MO
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphSSE 164°
- Humidity: 48%
- UV index: 5
- Sunrise: 7:15 am CDT
- Sunset: 6:20 pm CDT
- details ▼
Today, sunny and dry conditions are anticipated.
Daytime will experience a high of a breezy 66.2°F, significantly differing from the forecasted night low of a wintry 37.4°F.
The highest temperature today will align with the usual October peak of 65.7°F.
Sunrise was at 7:15 am and sunset will be at 6:20 pm; the daylight will last for 11h and 5min.
Daytime will experience a high of a breezy 66.2°F, significantly differing from the forecasted night low of a wintry 37.4°F.
The highest temperature today will align with the usual October peak of 65.7°F.
Sunrise was at 7:15 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. 82°C.
Coldest day: today 66°C.
Coldest day: today 66°C.
Chance of precipitation
Highest chance: 7%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphSSE 164°
- Humidity: 48%
- UV index: 5
- Sunrise: 7:15 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: 7:16 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 141°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:17 am CDT
- Sunset: 6:18 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 45°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 2mphS 177°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:18 am CDT
- Sunset: 6:16 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 77°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphSSE 157°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:19 am CDT
- Sunset: 6:15 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 77°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSE 138°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:20 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 157°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:21 am CDT
- Sunset: 6:12 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 82°F
- 50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphSSW 210°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:22 am CDT
- Sunset: 6:11 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 79°F
- 50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphSW 217°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:24 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 77°F
- 52°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 6mphS 176°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:25 am CDT
- Sunset: 6:08 pm CDT
- details ▼
In the days ahead, a combination of clear and dull weather is expected.
Rainfall is not predicted in Lake Saint Louis in the upcoming days.
Substantial differences in temperature are forecasted in the upcoming period. Maximum temperatures are forecasted between 66.2°F and 82.4°F, while the lowest night temperatures will vary also significantly, as the overnight lows will vary from 37.4°F to 51.8°F.
Next Sunday is expected to be the warmest, reaching up to 82.4°F; today is the coldest day, with a maximum temperature of 66.2°F.
Rainfall is not predicted in Lake Saint Louis in the upcoming days.
Substantial differences in temperature are forecasted in the upcoming period. Maximum temperatures are forecasted between 66.2°F and 82.4°F, while the lowest night temperatures will vary also significantly, as the overnight lows will vary from 37.4°F to 51.8°F.
Next Sunday is expected to be the warmest, reaching up to 82.4°F; today is the coldest day, with a maximum temperature of 66.2°F.
Updated: Oct 18, 2026 @ 14:32:36 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, uninterrupted sunshine is anticipated.
Today, the maximum temperature will be 66.2°F, while the minimum temperature will be 37.4°F.
The maximum temperature will be in line with the average highest temperature of 65.7°F in October. The lowest temperature today will be noticeably lower than the average low of 48.2°F.
The maximum temperature will be in line with the average highest temperature of 65.7°F in October. The lowest temperature today will be noticeably lower than the average low of 48.2°F.
On Sunday, in Lake Saint Louis, sunrise was at 7:15 am and sunset will be at 6:20 pm (CDT).
In Lake Saint Louis, the length of the day today will be 11h and 5min.
