Five Day Weather Forecast for Stillwater

National Weather Service Forecast for: Stillwater, OK
Issued by: National Weather Service Norman, OK
Updated: Thu, 06-25-2026 2:06am CDT

Stillwater, OK
 
Today

Today: Patchy Fog
Patchy Fog
Friday

Friday: Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
Chance Showers And T-Storms then Slight Chance Showers And T-Storms
Saturday

Saturday: Slight Chance Showers And Thunderstorms then Mostly Sunny
Slight Chance Showers And T-Storms then Mostly Sunny
Sunday

Sunday: Sunny
Sunny
Monday

Monday: Mostly Sunny
Mostly Sunny
Tuesday

Tuesday: Sunny
Sunny
Wednesday

Wednesday: Sunny
Sunny
 
Hi 89 °F Hi 91 °F Hi 95 °F Hi 96 °F Hi 97 °F Hi 98 °F Hi 99 °F  
 
Tonight

Tonight: Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Chance Showers And T-Storms then Showers And T-Storms Likely
Friday
Night
Friday Night: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Saturday
Night
Saturday Night: Mostly Clear
Mostly Clear
Sunday
Night
Sunday Night: Mostly Clear
Mostly Clear
Monday
Night
Monday Night: Mostly Clear
Mostly Clear
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
Wednesday
Night
Wednesday Night: Mostly Clear
Mostly Clear
 
Lo 73 °F Lo 77 °F Lo 80 °F Lo 80 °F Lo 81 °F Lo 79 °F Lo 78 °F  

Flood Watch
 

Today
 
Patchy fog and showers and thunderstorms likely before 7am, then patchy fog and showers and thunderstorms likely between 7am and 4pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 89. Southeast wind 5 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
 
A chance of showers and thunderstorms before 10pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 73. Heat index values as high as 98. South southeast wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday
 
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 91. Heat index values as high as 101. South southwest wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Friday Night
 
A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 77. Heat index values as high as 101. South wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday
 
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 95. South wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Saturday Night
 
Mostly clear, with a low around 80.
Sunday
 
Sunny, with a high near 96.
Sunday Night
 
Mostly clear, with a low around 80.
Monday
 
Mostly sunny, with a high near 97.
Monday Night
 
Mostly clear, with a low around 81.
Tuesday
 
Sunny, with a high near 98.
Tuesday Night
 
Mostly clear, with a low around 79.
Wednesday
 
Sunny, with a high near 99.
Wednesday Night
 
Mostly clear, with a low around 78.

 

Forecast from NOAA-NWS for Stillwater, OK.

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