Weather forecast for 10 daysSaint Louis, MI
Weather forecast for the weekend
Sunday Oct 18, 2026
- 64°F
- 37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 16mphSW 220°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:56 am EDT
- Sunset: 6:50 pm EDT
- details ▼
On Sunday, October 18, sunshine and minimal clouds are in the outlook.
Dramatic temperature shifts from a high of an enjoyable 64.4°F to a low of a wintry 37.4°F are forecasted.
Predicted temperatures are trending slightly warmer than October's climate norm of 58.1°F.
Sunrise will be at 7:56 am and sunset at 6:50 pm; the daylight will last for 10h and 55min.
Dramatic temperature shifts from a high of an enjoyable 64.4°F to a low of a wintry 37.4°F are forecasted.
Predicted temperatures are trending slightly warmer than October's climate norm of 58.1°F.
Sunrise will be at 7:56 am and sunset at 6:50 pm; the daylight will last for 10h and 55min.
10-day overview
Daily temperatures
Warmest period: Wednesday - Thursday 70°C.
Coldest day: Tuesday 27.10. 63°C.
Coldest day: Tuesday 27.10. 63°C.
Chance of precipitation
Highest chance: Wednesday 20%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 64°F
- 37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 16mphSW 220°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:56 am EDT
- Sunset: 6:50 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 37°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphSW 236°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:57 am EDT
- Sunset: 6:49 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 68°F
- 37°F
Sunny
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 5mphENE 63°
- Humidity: 71%
- UV index: 3
- Sunrise: 7:58 am EDT
- Sunset: 6:47 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 70°F
- 39°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 6mphSSW 208°
- Humidity: 67%
- UV index: 3
- Sunrise: 8:00 am EDT
- Sunset: 6:45 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 70°F
- 39°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 4mphN 1°
- Humidity: 68%
- UV index: 3
- Sunrise: 8:01 am EDT
- Sunset: 6:44 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 66°F
- 37°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 6mphE 80°
- Humidity: 70%
- UV index: 3
- Sunrise: 8:02 am EDT
- Sunset: 6:42 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 66°F
- 39°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 7mphSE 140°
- Humidity: 67%
- UV index: 3
- Sunrise: 8:03 am EDT
- Sunset: 6:41 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 68°F
- 43°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 8mphSSW 211°
- Humidity: 64%
- UV index: 3
- Sunrise: 8:05 am EDT
- Sunset: 6:39 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 66°F
- 41°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 7mphNW 311°
- Humidity: 63%
- UV index: 3
- Sunrise: 8:06 am EDT
- Sunset: 6:38 pm EDT
- details ▼
- Tuesday
- Oct 27, 2026
- 63°F
- 41°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 8mphN 11°
- Humidity: 70%
- UV index: 3
- Sunrise: 8:07 am EDT
- Sunset: 6:36 pm EDT
- details ▼
It is expected that a combination of gloomy and sunny weather is anticipated.
Rain is not forecasted in Saint Louis in the upcoming days.
In the coming days, the maximum temperature will vary between 62.6°F and 69.8°F, while changes in the overnight low will be barely noticeable, as the minimum temperature will fluctuate between 37.4°F and 42.8°F.
Wednesday and Thursday, with the highest temperature of 69.8°F, will be the warmest days; with the highest temperature of 62.6°F, next Tuesday will be the coldest day.
Rain is not forecasted in Saint Louis in the upcoming days.
In the coming days, the maximum temperature will vary between 62.6°F and 69.8°F, while changes in the overnight low will be barely noticeable, as the minimum temperature will fluctuate between 37.4°F and 42.8°F.
Wednesday and Thursday, with the highest temperature of 69.8°F, will be the warmest days; with the highest temperature of 62.6°F, next Tuesday will be the coldest day.
Updated: Oct 18, 2026 @ 06:12:36 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
Today, the outlook remains bright and sunny.
Today, the highest temperature will be 64.4°F, while the lowest temperature will be 37.4°F.
The maximum temperature will be moderately higher than the average highest temperature of 58.1°F in October. The lowest temperature will be also a few degrees lower than the average low of 43.2°F.
The maximum temperature will be moderately higher than the average highest temperature of 58.1°F in October. The lowest temperature will be also a few degrees lower than the average low of 43.2°F.
On Sunday, in Saint Louis, sunrise will be at 7:56 am and sunset at 6:50 pm (EDT).
In Saint Louis, the length of the day today will be 10h and 55min.
