National Weather Service Forecast for: Keizer OR
Issued by: National Weather Service Portland, OR
Updated: 6:41 pm PST Dec 19, 2025
 
Tonight

Tonight: Showers.  Low around 40. South wind 7 to 9 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Showers
Saturday

Saturday: A 40 percent chance of showers.  Partly sunny, with a high near 48. South wind around 10 mph, with gusts as high as 20 mph.
Chance
Showers
Saturday
Night
Saturday Night: Showers likely, mainly after 4am.  Mostly cloudy, with a low around 40. South wind around 7 mph.  Chance of precipitation is 60%.
Showers
Likely
Sunday

Sunday: Showers.  High near 48. South southwest wind around 7 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Showers
Sunday
Night
Sunday Night: Showers.  Low around 41. South wind around 9 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Showers
Monday

Monday: Showers.  High near 48. Chance of precipitation is 80%.
Showers
Monday
Night
Monday Night: Showers.  Low around 41. Chance of precipitation is 80%.
Showers
Tuesday

Tuesday: A chance of showers.  Cloudy, with a high near 48.
Chance
Showers
Tuesday
Night
Tuesday Night: A chance of showers.  Cloudy, with a low around 38.
Chance
Showers
Lo 40 °F Hi 48 °F Lo 40 °F Hi 48 °F Lo 41 °F Hi 48 °F Lo 41 °F Hi 48 °F Lo 38 °F

Flood Watch
 

Tonight
 
Showers. Low around 40. South wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
 
A 40 percent chance of showers. Partly sunny, with a high near 48. South wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
 
Showers likely, mainly after 4am. Mostly cloudy, with a low around 40. South wind around 7 mph. Chance of precipitation is 60%.
Sunday
 
Showers. High near 48. South southwest wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
 
Showers. Low around 41. South wind around 9 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
 
Showers. High near 48. Chance of precipitation is 80%.
Monday Night
 
Showers. Low around 41. Chance of precipitation is 80%.
Tuesday
 
A chance of showers. Cloudy, with a high near 48.
Tuesday Night
 
A chance of showers. Cloudy, with a low around 38.
Wednesday
 
A chance of showers. Mostly cloudy, with a high near 46.
Wednesday Night
 
A chance of showers. Mostly cloudy, with a low around 36.
Christmas Day
 
A chance of showers. Mostly cloudy, with a high near 46.
Thursday Night
 
Showers likely. Mostly cloudy, with a low around 37.
Friday
 
A chance of rain and snow showers. Mostly cloudy, with a high near 47.

 

Forecast from NOAA-NWS for Keizer OR.