Weather forecast for 10 daysHerculaneum, MO
Weather forecast for the weekend
Sunday Oct 18, 2026
- 68°F
- 37°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSSE 156°
- Humidity: 55%
- UV index: 5
- Sunrise: 7:13 am CDT
- Sunset: 6:19 pm CDT
- details ▼
Tomorrow, on Sunday, October 18, a sun-drenched sky is also anticipated.
A stark contrast will be observed between the day's peak temperature of an agreeable 68°F and the night's low of a wintry 37.4°F.
The high is predicted to coincide with October's normal of 67.1°F.
Sunrise will be at 7:13 am and sunset at 6:19 pm; tomorrow's daylight will last for 11h and 6min.
A stark contrast will be observed between the day's peak temperature of an agreeable 68°F and the night's low of a wintry 37.4°F.
The high is predicted to coincide with October's normal of 67.1°F.
Sunrise will be at 7:13 am and sunset at 6:19 pm; tomorrow's daylight will last for 11h and 6min.
10-day overview
Daily temperatures
Warmest day: Sunday 25.10. 82°C.
Coldest day: tomorrow 68°C.
Coldest day: tomorrow 68°C.
Chance of precipitation
Highest chance: Tuesday 18%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 36°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 1mphSSE 149°
- Humidity: 96%
- UV index: 0
- Sunrise: 7:12 am CDT
- Sunset: 6:21 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 68°F
- 37°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSSE 156°
- Humidity: 55%
- UV index: 5
- Sunrise: 7:13 am CDT
- Sunset: 6:19 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 72°F
- 41°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 3mphSSE 153°
- Humidity: 57%
- UV index: 5
- Sunrise: 7:14 am CDT
- Sunset: 6:18 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 43°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 4mphESE 113°
- Humidity: 54%
- UV index: 5
- Sunrise: 7:15 am CDT
- Sunset: 6:16 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 77°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphS 182°
- Humidity: 52%
- UV index: 5
- Sunrise: 7:16 am CDT
- Sunset: 6:15 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 77°F
- 43°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphSSE 151°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:17 am CDT
- Sunset: 6:14 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 79°F
- 46°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphSE 130°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:18 am CDT
- Sunset: 6:13 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 81°F
- 48°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSSE 154°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:19 am CDT
- Sunset: 6:11 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 82°F
- 50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphSSW 205°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:20 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 79°F
- 48°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphSSW 197°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:21 am CDT
- Sunset: 6:09 pm CDT
- details ▼
Throughout the next ten days, a combination of dry and sunny and cloud-filled weather is anticipated.
Rainfall is not forecasted in Herculaneum in the upcoming days.
Noticeable swings in temperature are expected in the upcoming days. Maximum temperatures are forecasted between 68°F and 82.4°F, while the fluctuation in night temperatures will be also significant, as nighttime lows are forecast to fall between 35.6°F and 50°F.
The warmest day will be next Sunday, with a maximum of 82.4°F; expect the coldest day on Sunday with a high of 68°F.
Rainfall is not forecasted in Herculaneum in the upcoming days.
Noticeable swings in temperature are expected in the upcoming days. Maximum temperatures are forecasted between 68°F and 82.4°F, while the fluctuation in night temperatures will be also significant, as nighttime lows are forecast to fall between 35.6°F and 50°F.
The warmest day will be next Sunday, with a maximum of 82.4°F; expect the coldest day on Sunday with a high of 68°F.
Updated: Oct 18, 2026 @ 03:12:59 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
Tomorrow, sunshine is forecasted under mostly clear skies.
Tomorrow, the maximum temperature will be 68°F, while the minimum temperature will be 37.4°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature will be uncommonly lower than the average low of 49.1°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature will be uncommonly lower than the average low of 49.1°F.
On Sunday, in Herculaneum, sunrise will be at 7:13 am and sunset at 6:19 pm (CDT).
In Herculaneum, tomorrow, there will be 11h and 6min of daylight.
