National Weather Service Forecast for: Newcastle OK
Issued by: National Weather Service Norman, OK
Updated: 11:37 pm CST Feb 1, 2026
 
Overnight

Overnight: Mostly clear, with a steady temperature around 36. Southwest wind around 9 mph.
Mostly Clear
 Monday

Monday: Mostly sunny, with a high near 60. South southwest wind 7 to 15 mph, with gusts as high as 23 mph.
Mostly Sunny
 Monday
Night
Monday Night: Mostly cloudy, with a low around 35. South wind 6 to 13 mph becoming north after midnight. Winds could gust as high as 20 mph.
Mostly Cloudy
 Tuesday

Tuesday: Sunny, with a high near 56. North wind 8 to 14 mph, with gusts as high as 21 mph.
Sunny
 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 32. North northeast wind around 6 mph.
Partly Cloudy
 Wednesday

Wednesday: Mostly sunny, with a high near 51.
Mostly Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 29.
Mostly Clear
 Thursday

Thursday: Sunny, with a high near 64.
Sunny
 Thursday
Night
Thursday Night: Clear, with a low around 38.
Clear
Lo 36 °F Hi 60 °F Lo 35 °F Hi 56 °F Lo 32 °F Hi 51 °F Lo 29 °F Hi 64 °F Lo 38 °F

 

Overnight
 
 Mostly clear, with a steady temperature around 36. Southwest wind around 9 mph.
Monday
 
 Mostly sunny, with a high near 60. South southwest wind 7 to 15 mph, with gusts as high as 23 mph.
Monday Night
 
 Mostly cloudy, with a low around 35. South wind 6 to 13 mph becoming north after midnight. Winds could gust as high as 20 mph.
Tuesday
 
 Sunny, with a high near 56. North wind 8 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
 
 Partly cloudy, with a low around 32. North northeast wind around 6 mph.
Wednesday
 
 Mostly sunny, with a high near 51.
Wednesday Night
 
 Mostly clear, with a low around 29.
Thursday
 
 Sunny, with a high near 64.
Thursday Night
 
 Clear, with a low around 38.
Friday
 
 Sunny, with a high near 68.
Friday Night
 
 Mostly clear, with a low around 36.
Saturday
 
 Sunny, with a high near 67.
Saturday Night
 
 Partly cloudy, with a low around 41.
Sunday
 
 Mostly sunny, with a high near 66.

 

Forecast from NOAA-NWS for Newcastle OK.