National Weather Service Forecast for: Newcastle OK
Issued by: National Weather Service Norman, OK
Updated: 4:12 am CST Dec 22, 2025
 
Today

Today: Partly sunny, then gradually becoming sunny, with a high near 69. South southwest wind 14 to 20 mph, with gusts as high as 30 mph.
Becoming
Sunny
 Tonight

Tonight: Mostly clear, with a low around 52. South wind around 11 mph.
Mostly Clear
 Tuesday

Tuesday: Sunny, with a high near 74. South southwest wind 11 to 15 mph, with gusts as high as 22 mph.
Sunny
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 58. South wind 10 to 15 mph, with gusts as high as 20 mph.
Mostly Clear
 Wednesday

Wednesday: Mostly sunny, with a high near 75. South southwest wind 15 to 21 mph, with gusts as high as 28 mph.
Mostly Sunny
 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 58.
Partly Cloudy
 Christmas
Day
Christmas Day: Mostly sunny, with a high near 77.
Mostly Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 56.
Mostly Clear
 Friday

Friday: Sunny, with a high near 75.
Sunny
Hi 69 °F Lo 52 °F Hi 74 °F Lo 58 °F Hi 75 °F Lo 58 °F Hi 77 °F Lo 56 °F Hi 75 °F

 

Today
 
 Partly sunny, then gradually becoming sunny, with a high near 69. South southwest wind 14 to 20 mph, with gusts as high as 30 mph.
Tonight
 
 Mostly clear, with a low around 52. South wind around 11 mph.
Tuesday
 
 Sunny, with a high near 74. South southwest wind 11 to 15 mph, with gusts as high as 22 mph.
Tuesday Night
 
 Mostly clear, with a low around 58. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
 
 Mostly sunny, with a high near 75. South southwest wind 15 to 21 mph, with gusts as high as 28 mph.
Wednesday Night
 
 Partly cloudy, with a low around 58.
Christmas Day
 
 Mostly sunny, with a high near 77.
Thursday Night
 
 Mostly clear, with a low around 56.
Friday
 
 Sunny, with a high near 75.
Friday Night
 
 Partly cloudy, with a low around 53.
Saturday
 
 Partly sunny, with a high near 73.
Saturday Night
 
 Mostly cloudy, with a low around 44.
Sunday
 
 Mostly sunny, with a high near 56.

 

Forecast from NOAA-NWS for Newcastle OK.