National Weather Service Forecast for: Corvallis OR
Issued by: National Weather Service Portland, OR
Updated: 11:28 pm PDT Apr 5, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 45. Calm wind.
Partly Cloudy

Monday

Monday: Sunny, with a high near 75. Calm wind becoming west northwest around 5 mph in the afternoon.
Sunny

Monday
Night
Monday Night: Patchy fog between 3am and 5am.  Otherwise, partly cloudy, with a low around 41. West wind around 5 mph becoming calm  in the evening.
Partly Cloudy
then Patchy
Fog
Tuesday

Tuesday: Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 63. Light north northeast wind.
Patchy Fog
then Mostly
Sunny
Tuesday
Night
Tuesday Night: Areas of frost after 5am.  Otherwise, partly cloudy, with a low around 37. North wind around 5 mph becoming calm  in the evening.
Partly Cloudy
then Areas
Frost
Wednesday

Wednesday: Mostly sunny, with a high near 66.
Mostly Sunny

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 39.
Mostly Clear

Thursday

Thursday: Sunny, with a high near 68.
Sunny

Thursday
Night
Thursday Night: Partly cloudy, with a low around 43.
Partly Cloudy

Lo 45 °F Hi 75 °F Lo 41 °F Hi 63 °F Lo 37 °F Hi 66 °F Lo 39 °F Hi 68 °F Lo 43 °F

 

Tonight
 
Partly cloudy, with a low around 45. Calm wind.
Monday
 
Sunny, with a high near 75. Calm wind becoming west northwest around 5 mph in the afternoon.
Monday Night
 
Patchy fog between 3am and 5am. Otherwise, partly cloudy, with a low around 41. West wind around 5 mph becoming calm in the evening.
Tuesday
 
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 63. Light north northeast wind.
Tuesday Night
 
Areas of frost after 5am. Otherwise, partly cloudy, with a low around 37. North wind around 5 mph becoming calm in the evening.
Wednesday
 
Mostly sunny, with a high near 66.
Wednesday Night
 
Mostly clear, with a low around 39.
Thursday
 
Sunny, with a high near 68.
Thursday Night
 
Partly cloudy, with a low around 43.
Friday
 
Mostly sunny, with a high near 68.
Friday Night
 
Partly cloudy, with a low around 41.
Saturday
 
A chance of rain. Partly sunny, with a high near 60.
Saturday Night
 
A chance of rain. Mostly cloudy, with a low around 39.
Sunday
 
A chance of rain. Mostly cloudy, with a high near 58.

 

Forecast from NOAA-NWS for Corvallis OR.