Weather forecast for 10 daysGreencastle, MO

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 66°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 11mphS 190°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 7:25 am CDT
  • Sunset: 6:27 pm CDT
  • ▼
Tomorrow, clear skies and sunshine are also anticipated.
Temperature readings will considerable fluctuate from a daytime peak of an enjoyable 66.2°F to a nighttime low of an icy 39.2°F.
Sunrise will be at 7:25 am and sunset at 6:27 pm; tomorrow's daylight will last for 11h and 2min.

10-day overview

Daily temperatures

Warmest period: Thursday - Saturday 77°C.
Coldest day: tomorrow 66°C.

Chance of precipitation

Highest chance: Sunday 25.10. 8%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 37°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphS 187°
  • Humidity: 77%
  • UV index: 0
  • Sunrise: 7:24 am CDT
  • Sunset: 6:28 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 66°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 11mphS 190°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 7:25 am CDT
  • Sunset: 6:27 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 5mphS 175°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:26 am CDT
  • Sunset: 6:26 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 72°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphSSE 150°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:27 am CDT
  • Sunset: 6:24 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 73°F
  • 48°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 5mphS 187°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:29 am CDT
  • Sunset: 6:23 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 77°F
  • 50°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphSSE 159°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:30 am CDT
  • Sunset: 6:21 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 77°F
  • 54°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 9mphSSE 148°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:31 am CDT
  • Sunset: 6:20 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 77°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 9mphS 172°
  • Humidity: 50%
  • UV index: 3
  • Sunrise: 7:32 am CDT
  • Sunset: 6:19 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 73°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 6mphSSW 205°
  • Humidity: 55%
  • UV index: 3
  • Sunrise: 7:33 am CDT
  • Sunset: 6:17 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 72°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphSE 137°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:34 am CDT
  • Sunset: 6:16 pm CDT
  • ▼
Ten-day trends indicate that a combination of mostly clear and gloomy weather is predicted.
Rainfall is not expected in Greencastle in the upcoming days.
In the coming days, the highest temperature will range between 66.2°F and 77°F, while the lowest night temperatures will vary significantly, as the lowest temperatures will be recorded between 37.4°F and 53.6°F.
With a maximum temperature of 77°F, Thursday through next Saturday will be the warmest days; with the highest temperature of 66.2°F, Sunday will be the coldest day.
Updated: Oct 18, 2026 @ 04:27:00 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Greencastle, sunny and dry conditions are anticipated.

Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 39.2°F.

On Sunday, in Greencastle, sunrise will be at 7:25 am and sunset at 6:27 pm (CDT).

In Greencastle, tomorrow, there will be 11h and 2min of daylight.