Weather forecast for tomorrowGreencastle, MO

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 68°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 5mphS 175°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:26 am CDT
  • Sunset: 6:26 pm CDT
  • ▼
Tomorrow, on Monday, October 19, sunny moments will alternate with patchy cloud cover.
The maximum temperature will be a pleasant 68°F, while the minimum temperature will be a brisk 42.8°F.
Sunrise will be at 7:26 am and sunset at 6:26 pm; tomorrow's daylight will last for 10h and 59min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 66°C.
Coldest hour: 6 am 41°C.

Chance of precipitation

Highest chance: 6 am 5%.

Hourly weather forecast

  • 12 am
  • 46°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 4mphS 182°
  • Humidity: 77%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 45°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 3mphS 178°
  • Humidity: 81%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphS 180°
  • Humidity: 86%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 41°F
  • Feels like:
    41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 3mphS 175°
  • Humidity: 87%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:26 am
  • 8 am
  • 43°F
  • Feels like:
    43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 2mphS 175°
  • Humidity: 87%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 54°F
  • Feels like:
    54°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphS 182°
  • Humidity: 64%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 63°F
  • Feels like:
    63°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphS 185°
  • Humidity: 47%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 66°F
  • Feels like:
    66°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphS 180°
  • Humidity: 42%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 66°F
  • Feels like:
    66°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphS 170°
  • Humidity: 41%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 61°F
  • Feels like:
    61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSSE 154°
  • Humidity: 51%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:26 pm
  • 8 pm
  • 52°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphSE 136°
  • Humidity: 72%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 48°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 1mphSE 125°
  • Humidity: 82%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Monday, a combination of bright and cloudy weather is forecasted.
The temperature will vary between a minimum of 41°F and a maximum of 66.2°F. The warmest part of the day will be from 2 pm to 4 pm.
Updated: Oct 18, 2026 @ 05:51:52 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Monday, some passing clouds may drift through, but the sun will shine at times.

Tomorrow, the maximum temperature will be 68°F, while the minimum temperature will be 42.8°F.

On Monday, in Greencastle, sunrise will be at 7:26 am and sunset at 6:26 pm (CDT).

In Greencastle, tomorrow, there will be 10h and 59min of daylight.