National Weather Service Forecast for: Corvallis OR
Issued by: National Weather Service Portland, OR
Updated: 9:20 pm PST Dec 16, 2025
 
Tonight

Tonight: Rain and possibly a thunderstorm before 4am, then a chance of rain. Low around 42. Windy, with a southeast wind 16 to 24 mph becoming northwest after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Rain and
Windy
 Wednesday

Wednesday: A chance of rain and thunderstorms before 3pm, then a slight chance of rain after 4pm. Partly sunny, with a high near 49. South southwest wind 7 to 9 mph. Chance of precipitation is 40%.
Chance Rain
 Wednesday
Night
Wednesday Night: Rain, mainly after 10pm. Low around 40. South southeast wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Rain
 Thursday

Thursday: Rain. The rain could be heavy at times. High near 57. Breezy, with a south southwest wind 10 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Heavy Rain
and Breezy
 Thursday
Night
Thursday Night: Rain. The rain could be heavy at times. Low around 45. Breezy, with a southwest wind 9 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Heavy Rain
and Breezy
 Friday

Friday: Rain. High near 48. Chance of precipitation is 90%.
Rain
 Friday
Night
Friday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Rain Likely
 Saturday

Saturday: A chance of rain. Mostly cloudy, with a high near 47.
Chance Rain
 Saturday
Night
Saturday Night: A chance of rain. Mostly cloudy, with a low around 37.
Chance Rain
Lo 42 °F Hi 49 °F Lo 40 °F Hi 57 °F Lo 45 °F Hi 48 °F Lo 38 °F Hi 47 °F Lo 37 °F

Flood Watch
Wind Advisory
 

Tonight
 
 Rain and possibly a thunderstorm before 4am, then a chance of rain. Low around 42. Windy, with a southeast wind 16 to 24 mph becoming northwest after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
 
 A chance of rain and thunderstorms before 3pm, then a slight chance of rain after 4pm. Partly sunny, with a high near 49. South southwest wind 7 to 9 mph. Chance of precipitation is 40%.
Wednesday Night
 
 Rain, mainly after 10pm. Low around 40. South southeast wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
 
 Rain. The rain could be heavy at times. High near 57. Breezy, with a south southwest wind 10 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Thursday Night
 
 Rain. The rain could be heavy at times. Low around 45. Breezy, with a southwest wind 9 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Friday
 
 Rain. High near 48. Chance of precipitation is 90%.
Friday Night
 
 Rain likely, mainly before 10pm. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Saturday
 
 A chance of rain. Mostly cloudy, with a high near 47.
Saturday Night
 
 A chance of rain. Mostly cloudy, with a low around 37.
Sunday
 
 Rain likely. Mostly cloudy, with a high near 49.
Sunday Night
 
 Rain. Mostly cloudy, with a low around 41.
Monday
 
 Rain likely. Mostly cloudy, with a high near 50.
Monday Night
 
 Rain likely. Mostly cloudy, with a low around 40.
Tuesday
 
 Rain likely. Mostly cloudy, with a high near 47.

 

Forecast from NOAA-NWS for Corvallis OR.