Five Day Weather Forecast for Stillwater

National Weather Service Forecast for: Stillwater, OK
Issued by: National Weather Service Norman, OK
Updated: Fri, 09-11-2026 1:47am CDT

Stillwater, OK
 
  Friday

Friday: Patchy Fog then Sunny
Patchy Fog then Sunny
Saturday

Saturday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Sunday

Sunday: Sunny
Sunny
Monday

Monday: Sunny
Sunny
Tuesday

Tuesday: Sunny then Slight Chance Showers And Thunderstorms
Sunny then Slight Chance Showers And T-Storms
Wednesday

Wednesday: Slight Chance Showers And Thunderstorms then Sunny
Slight Chance Showers And T-Storms then Sunny
Thursday

Thursday: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
  Hi 91 °F Hi 95 °F Hi 96 °F Hi 96 °F Hi 95 °F Hi 95 °F Hi 92 °F
 
Overnight

Overnight: Patchy Fog
Patchy Fog
Friday
Night
Friday Night: Mostly Clear
Mostly Clear
Saturday
Night
Saturday Night: Chance Showers And Thunderstorms then Mostly Clear
Chance Showers And T-Storms then Mostly Clear
Sunday
Night
Sunday Night: Clear
Clear
Monday
Night
Monday Night: Mostly Clear
Mostly Clear
Tuesday
Night
Tuesday Night: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Wednesday
Night
Wednesday Night: Mostly Clear then Slight Chance Showers And Thunderstorms
Mostly Clear then Slight Chance Showers And T-Storms
 
Lo 66 °F Lo 69 °F Lo 70 °F Lo 73 °F Lo 73 °F Lo 70 °F Lo 70 °F  

 

Overnight
 
 Patchy fog after 4am. Partly cloudy, with a low around 66. East wind around 1 mph.
Friday
 
 Patchy fog before 10am. Sunny, with a high near 91. East southeast wind 1 to 5 mph.
Friday Night
 
 Mostly clear, with a low around 69. Heat index values as high as 98. East southeast wind around 6 mph.
Saturday
 
 A chance of showers and thunderstorms between 7am and 10am, then a chance of showers and thunderstorms between 10am and 1pm, then a chance of showers and thunderstorms. Sunny, with a high near 95. Heat index values as high as 103. South southeast wind 5 to 9 mph. Chance of precipitation is 30%.
Saturday Night
 
 A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 70. Southeast wind around 8 mph. Chance of precipitation is 30%.
Sunday
 
 Sunny, with a high near 96.
Sunday Night
 
 Clear, with a low around 73.
Monday
 
 Sunny, with a high near 96.
Monday Night
 
 Mostly clear, with a low around 73.
Tuesday
 
 A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Chance of precipitation is 20%.
Tuesday Night
 
 A slight chance of showers and thunderstorms. Mostly clear, with a low around 70. Chance of precipitation is 20%.
Wednesday
 
 A slight chance of showers and thunderstorms before 7am. Sunny, with a high near 95. Chance of precipitation is 20%.
Wednesday Night
 
 A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 70. Chance of precipitation is 20%.
Thursday
 
 A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92.

 

Forecast from NOAA-NWS for Stillwater, OK.

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