National Weather Service Forecast for: Newcastle OK
Issued by: National Weather Service Norman, OK
Updated: 11:32 pm CST Dec 4, 2025
 
Overnight

Overnight: Partly cloudy, with a low around 26. South southwest wind 5 to 7 mph.
Partly Cloudy

 Friday

Friday: Sunny, with a high near 50. South southwest wind 6 to 13 mph, with gusts as high as 20 mph.
Sunny

 Friday
Night
Friday Night: Areas of fog after midnight. Otherwise, mostly clear during the early evening, then becoming mostly cloudy, with a low around 30. Light and variable wind.
Partly Cloudy
then Areas
Fog
 Saturday

Saturday: Areas of dense fog before 9am. Otherwise, mostly sunny, with a high near 54. Light and variable wind becoming south 5 to 10 mph in the morning.
Areas Dense
Fog then
Sunny
 Saturday
Night
Saturday Night: Partly cloudy, with a low around 33. South wind 5 to 11 mph becoming north northwest after midnight.
Partly Cloudy

 Sunday

Sunday: Sunny, with a high near 47.
Sunny

 Sunday
Night
Sunday Night: Mostly clear, with a low around 22.
Mostly Clear

 Monday

Monday: Sunny, with a high near 49.
Sunny

 Monday
Night
Monday Night: Mostly clear, with a low around 30.
Mostly Clear
Lo 26 °F Hi 50 °F Lo 30 °F Hi 54 °F Lo 33 °F Hi 47 °F Lo 22 °F Hi 49 °F Lo 30 °F

 

Overnight
 
 Partly cloudy, with a low around 26. South southwest wind 5 to 7 mph.
Friday
 
 Sunny, with a high near 50. South southwest wind 6 to 13 mph, with gusts as high as 20 mph.
Friday Night
 
 Areas of fog after midnight. Otherwise, mostly clear during the early evening, then becoming mostly cloudy, with a low around 30. Light and variable wind.
Saturday
 
 Areas of dense fog before 9am. Otherwise, mostly sunny, with a high near 54. Light and variable wind becoming south 5 to 10 mph in the morning.
Saturday Night
 
 Partly cloudy, with a low around 33. South wind 5 to 11 mph becoming north northwest after midnight.
Sunday
 
 Sunny, with a high near 47.
Sunday Night
 
 Mostly clear, with a low around 22.
Monday
 
 Sunny, with a high near 49.
Monday Night
 
 Mostly clear, with a low around 30.
Tuesday
 
 Sunny, with a high near 59.
Tuesday Night
 
 Mostly clear, with a low around 40.
Wednesday
 
 Mostly sunny, with a high near 59.
Wednesday Night
 
 Partly cloudy, with a low around 32.
Thursday
 
 Sunny, with a high near 57.

 

Forecast from NOAA-NWS for Newcastle OK.