Weather forecast for 10 daysFlorissant, MO

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 66°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphSSE 163°
  • Humidity: 43%
  • UV index: 5
  • Sunrise: 7:13 am CDT
  • Sunset: 6:18 pm CDT
  • ▼
On Sunday, October 18, a sun-drenched sky is anticipated.
A temperature range of an enjoyable 66.2°F to a wintry 41°F is expected.
October's standard high of 65.7°F is expected to be reached during the day.
Sunrise was at 7:13 am and sunset will be at 6:18 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.

Chance of precipitation

Highest chance: tomorrow - Wednesday 6%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 66°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphSSE 163°
  • Humidity: 43%
  • UV index: 5
  • Sunrise: 7:13 am CDT
  • Sunset: 6:18 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 70°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 5mphSSE 159°
  • Humidity: 51%
  • UV index: 5
  • Sunrise: 7:14 am CDT
  • Sunset: 6:17 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 73°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphSE 125°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:15 am CDT
  • Sunset: 6:16 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 75°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphS 169°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:16 am CDT
  • Sunset: 6:14 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 77°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphESE 117°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:17 am CDT
  • Sunset: 6:13 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 77°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphSE 130°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:19 am CDT
  • Sunset: 6:12 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 79°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphSSE 153°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:20 am CDT
  • Sunset: 6:10 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 81°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 5mphSSW 202°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:21 am CDT
  • Sunset: 6:09 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 79°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 5mphSSW 211°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:22 am CDT
  • Sunset: 6:08 pm CDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 77°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphSSE 163°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:23 am CDT
  • Sunset: 6:07 pm CDT
  • ▼
Over the next ten days, conditions will reflect that a combination of bright and gloomy weather is anticipated.
Rainfall is not forecasted in Florissant in the upcoming days.
Significant changes in temperature are expected over the next several days. The temperature is expected to swing from 66.2°F up to 80.6°F, while the low temperature range extends from 41°F to 51.8°F.
Next Sunday is expected to be the warmest, reaching up to 80.6°F; today is the coldest day, with a maximum temperature of 66.2°F.
Updated: Oct 18, 2026 @ 15:07:22 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Florissant, uninterrupted sunshine is anticipated.

Today, the maximum temperature will be 66.2°F, while the minimum temperature will be 41°F.
The highest temperature will be in line with the average maximum of 65.7°F in October. Today, the lowest temperature will be a couple of degrees lower than the average low temperature.

On Sunday, in Florissant, sunrise was at 7:13 am and sunset will be at 6:18 pm (CDT).

In Florissant, today, there will be 11h and 5min of daylight.