National Weather Service Forecast for: Newcastle OK
Issued by: National Weather Service Norman, OK
Updated: 9:17 am CST Nov 1, 2026
 
This
Afternoon
This Afternoon: Partly sunny, with a high near 75. South southeast wind around 9 mph.
Partly Sunny


 Tonight

Tonight: Mostly cloudy, with a low around 61. South southeast wind 9 to 14 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 25 mph.
Mostly Cloudy


 Monday

Monday: A slight chance of showers before 9am, then a slight chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Some of the storms could be severe. Mostly cloudy, with a high near 78. Windy, with a south wind 22 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Windy. Slight
Chance
T-storms then
Severe
T-Storms
 Monday
Night
Monday Night: Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Some of the storms could be severe. Partly cloudy, with a low around 55. South wind 18 to 23 mph becoming southwest 10 to 15 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 70%.
Severe
T-Storms
then Mostly
Clear
 Tuesday

Tuesday: Mostly sunny, with a high near 69. Northwest wind 11 to 18 mph, with gusts as high as 26 mph.
Mostly Sunny


 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 47.
Mostly Clear


 Wednesday

Wednesday: Sunny, with a high near 69.
Sunny


 Wednesday
Night
Wednesday Night: Clear, with a low around 45.
Clear


 Thursday

Thursday: Sunny, with a high near 69.
Sunny
Hi 75 °F Lo 61 °F Hi 78 °F Lo 55 °F Hi 69 °F Lo 47 °F Hi 69 °F Lo 45 °F Hi 69 °F

 

This Afternoon
 
 Partly sunny, with a high near 75. South southeast wind around 9 mph.
Tonight
 
 Mostly cloudy, with a low around 61. South southeast wind 9 to 14 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 25 mph.
Monday
 
 A slight chance of showers before 9am, then a slight chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Some of the storms could be severe. Mostly cloudy, with a high near 78. Windy, with a south wind 22 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
 
 Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Some of the storms could be severe. Partly cloudy, with a low around 55. South wind 18 to 23 mph becoming southwest 10 to 15 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 70%.
Tuesday
 
 Mostly sunny, with a high near 69. Northwest wind 11 to 18 mph, with gusts as high as 26 mph.
Tuesday Night
 
 Mostly clear, with a low around 47.
Wednesday
 
 Sunny, with a high near 69.
Wednesday Night
 
 Clear, with a low around 45.
Thursday
 
 Sunny, with a high near 69.
Thursday Night
 
 Mostly clear, with a low around 44.
Friday
 
 Sunny, with a high near 68.
Friday Night
 
 Partly cloudy, with a low around 46.
Saturday
 
 Mostly sunny, with a high near 70.

 

Forecast from NOAA-NWS for Newcastle OK.