Weather forecast for todayHerculaneum, MO

Weather forecast for today

Current condition 12:57 am CDT

  • 52°F
  • Feels like:
    52°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 0mphWNW 290°
  • Humidity: 90%
  • Dewpoint: 48°F
  • Pressure: 30.32"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Currently, a cloudless and clear sky stretches as far as the eye can see.
The temperature is a fresh 51.8°F. The current temperature is far from today's maximum-anticipated 75.2°F.

Tuesday Oct 20, 2026

  • 75°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 3mphESE 123°
  • Humidity: 58%
  • UV index: 5
  • Sunrise: 7:15 am CDT
  • Sunset: 6:16 pm CDT
  • ▼
On Tuesday, October 20, scattered clouds may briefly filter the sunlight, but it will remain bright overall.
Temperature measurements will peak at a temperate 75.2°F, with a considerable drop to a low of a brisk 44.6°F.
The temperature of 75.2°F aligns more with what is typical in September than what is normal in October.
Sunrise will be at 7:15 am and sunset at 6:16 pm; the daylight will last for 11h and 1min.

Hourly overview

Hourly temperatures

Warmest hour: 4 pm 73°C.
Coldest hour: 7 am 43°C.

Chance of precipitation

Highest chance: 7 am 17%.

Hourly weather forecast

  • 2 am
  • 48°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 0mphS 180°
  • Humidity: 95%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 45°F
  • Feels like:
    45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 0mphS 180°
  • Humidity: 99%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 43°F
  • Feels like:
    43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 0mphS 180°
  • Humidity: 100%
  • Pressure: 30.33"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
Sunrise: 7:15 am
  • 8 am
  • 46°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 0mphSSE 152°
  • Humidity: 100%
  • Pressure: 30.36"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 10 am
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 0mphSE 125°
  • Humidity: 72%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphSE 132°
  • Humidity: 46%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 72°F
  • Feels like:
    72°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphESE 111°
  • Humidity: 37%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 73°F
  • Feels like:
    73°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphESE 109°
  • Humidity: 36%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphE 99°
  • Humidity: 49%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:16 pm
  • 8 pm
  • 57°F
  • Feels like:
    57°F
Mostly Clear
Mostly Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphESE 105°
  • Humidity: 74%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 52°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 0mphESE 102°
  • Humidity: 85%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, a combination of sunny and cloud-filled weather is forecasted.
The temperature will be between the highest temperature of 73.4°F and the lowest temperature of 42.8°F. The warmest part of the day will be at 3 pm and 4 pm.
The forecasted maximum is more close to September's typical high of 79.7°F than the average for October. The lowest temperature is expected to be slightly cooler than the average minimum in October, typically 49.1°F.
Updated: Oct 20, 2026 @ 05:57:39 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (12:57 am CDT) is 51.8°F.

On Tuesday, variable cloud cover will persist, but sunshine will break through.

Today, the highest temperature will be 75.2°F, while the lowest temperature will be 44.6°F.
The maximum temperature will be a couple of degrees higher than the average highest temperature of 67.1°F in October. The lowest temperature will be also moderately lower than the average low of 49.1°F.

On Tuesday, in Herculaneum, sunrise will be at 7:15 am and sunset at 6:16 pm (CDT).

In Herculaneum, today, there will be 11h and 1min of daylight.