National Weather Service Forecast for: Corvallis OR
Issued by: National Weather Service Portland, OR
Updated: 4:41 pm PDT Sep 12, 2026
 
This
Afternoon
This Afternoon: A chance of rain, then showers and possibly a thunderstorm after 5pm. High near 66. West wind around 6 mph. Chance of precipitation is 80%.
Showers
 Tonight

Tonight: Rain and possibly a thunderstorm before midnight, then a chance of rain. Low around 51. Calm wind becoming south 5 to 7 mph after midnight. Chance of precipitation is 80%.
Rain then
Chance Rain
 Sunday

Sunday: A slight chance of rain before 11am, then a chance of showers between 11am and 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 66. South wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 30%.
Chance
Showers
 Sunday
Night
Sunday Night: Partly cloudy, with a low around 50. West wind around 6 mph becoming calm in the evening.
Partly Cloudy
 Monday

Monday: Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 71. Light north wind.
Patchy Fog
then Sunny
 Monday
Night
Monday Night: Mostly clear, with a low around 50.
Mostly Clear
 Tuesday

Tuesday: Sunny, with a high near 72.
Sunny
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 52.
Mostly Clear
 Wednesday

Wednesday: Sunny, with a high near 83.
Sunny
Hi 66 °F Lo 51 °F Hi 66 °F Lo 50 °F Hi 71 °F Lo 50 °F Hi 72 °F Lo 52 °F Hi 83 °F

 

This Afternoon
 
 A chance of rain, then showers and possibly a thunderstorm after 5pm. High near 66. West wind around 6 mph. Chance of precipitation is 80%.
Tonight
 
 Rain and possibly a thunderstorm before midnight, then a chance of rain. Low around 51. Calm wind becoming south 5 to 7 mph after midnight. Chance of precipitation is 80%.
Sunday
 
 A slight chance of rain before 11am, then a chance of showers between 11am and 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 66. South wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 30%.
Sunday Night
 
 Partly cloudy, with a low around 50. West wind around 6 mph becoming calm in the evening.
Monday
 
 Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 71. Light north wind.
Monday Night
 
 Mostly clear, with a low around 50.
Tuesday
 
 Sunny, with a high near 72.
Tuesday Night
 
 Mostly clear, with a low around 52.
Wednesday
 
 Sunny, with a high near 83.
Wednesday Night
 
 Clear, with a low around 56. Breezy.
Thursday
 
 Sunny, with a high near 86.
Thursday Night
 
 Mostly clear, with a low around 55.
Friday
 
 Sunny, with a high near 84.
Friday Night
 
 Mostly clear, with a low around 54.
Saturday
 
 Mostly sunny, with a high near 75.

 

Forecast from NOAA-NWS for Corvallis OR.