Weather forecast for 10 daysNewcastle, OK

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 66°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 14mphS 169°
  • Humidity: 58%
  • UV index: 6
  • Sunrise: 7:39 am CDT
  • Sunset: 6:51 pm CDT
  • ▼
On Sunday, October 18, sun-filled conditions are also expected to persist.
The maximum forecasted temperature is a breezy 66.2°F, while the minimum temperature will be a frosty 44.6°F.
The high temperature will be a few degrees lower than the typical October level of 71.2°F.
Sunrise will be at 7:39 am and sunset at 6:51 pm; tomorrow's daylight will last for 11h and 13min.

10-day overview

Daily temperatures

Warmest period: Thursday - Friday 81°C.
Coldest day: tomorrow 66°C.

Chance of precipitation

Highest chance: Tuesday 23%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 39°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphSE 142°
  • Humidity: 72%
  • UV index: 0
  • Sunrise: 7:38 am CDT
  • Sunset: 6:52 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 66°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 14mphS 169°
  • Humidity: 58%
  • UV index: 6
  • Sunrise: 7:39 am CDT
  • Sunset: 6:51 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 72°F
  • 48°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 12mphSSE 155°
  • Humidity: 53%
  • UV index: 5
  • Sunrise: 7:40 am CDT
  • Sunset: 6:50 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 73°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 23%
  • Precipitation: 0"
  • Wind: 11mphSSE 149°
  • Humidity: 57%
  • UV index: 5
  • Sunrise: 7:41 am CDT
  • Sunset: 6:49 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 79°F
  • 55°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 12mphSSE 165°
  • Humidity: 54%
  • UV index: 5
  • Sunrise: 7:41 am CDT
  • Sunset: 6:47 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 81°F
  • 57°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 10mphSSE 161°
  • Humidity: 55%
  • UV index: 5
  • Sunrise: 7:42 am CDT
  • Sunset: 6:46 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 81°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 14mphSSE 155°
  • Humidity: 51%
  • UV index: 5
  • Sunrise: 7:43 am CDT
  • Sunset: 6:45 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 79°F
  • 59°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 15mphSSE 161°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:44 am CDT
  • Sunset: 6:44 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 79°F
  • 59°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 12mphSSE 162°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 7:45 am CDT
  • Sunset: 6:43 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 79°F
  • 59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 22%
  • Precipitation: 0"
  • Wind: 11mphSSE 159°
  • Humidity: 60%
  • UV index: 4
  • Sunrise: 7:46 am CDT
  • Sunset: 6:42 pm CDT
  • ▼
Forecasts for the ten-day outlook show that a combination of cloudy and sunny weather is forecasted.
Rainfall is not expected in Newcastle in the upcoming period.
Substantial differences in temperature are forecasted in the next ten days. Maximum temperatures are forecasted between 66.2°F and 80.6°F, while the difference in minimum temperatures will be also substantial, as temperatures overnight will fluctuate from 39.2°F up to 59°F.
With a maximum temperature of 80.6°F, Thursday and Friday will be the warmest days; the coldest day will be Sunday, with a maximum of 66.2°F.
Updated: Oct 18, 2026 @ 00:24:12 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, bright and sunny weather is expected.

Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 44.6°F.
The highest temperature will be a couple of degrees lower than the average maximum of 71.2°F in October. The lowest temperature tomorrow will be also slightly cooler than the average low temperature.

On Sunday, in Newcastle, sunrise will be at 7:39 am and sunset at 6:51 pm (CDT).

In Newcastle, tomorrow, there will be 11h and 13min of daylight.