National Weather Service Forecast for: Keizer OR
Issued by: National Weather Service Portland, OR
Updated: 3:41 pm PDT Sep 12, 2026
 
This
Afternoon
This Afternoon: A chance of rain before 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 67. Southwest wind around 8 mph. Chance of precipitation is 30%.
Chance
Showers
 Tonight

Tonight: Rain and possibly a thunderstorm before 2am, then a slight chance of rain between 2am and 5am. Low around 53. Light southwest wind becoming south 5 to 10 mph in the evening. Chance of precipitation is 80%.
Showers then
Chance Rain
 Sunday

Sunday: A chance of rain before 11am, then a chance of showers between 11am and 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 67. South wind 7 to 9 mph. Chance of precipitation is 30%.
Chance Rain
 Sunday
Night
Sunday Night: Partly cloudy, with a low around 52. Southwest wind around 6 mph becoming calm in the evening.
Partly Cloudy
 Monday

Monday: Mostly sunny, with a high near 70. Light and variable wind.
Mostly Sunny
 Monday
Night
Monday Night: Mostly clear, with a low around 52.
Mostly Clear
 Tuesday

Tuesday: Mostly sunny, with a high near 72.
Mostly Sunny
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 53.
Mostly Clear
 Wednesday

Wednesday: Sunny, with a high near 84.
Sunny
Hi 67 °F Lo 53 °F Hi 67 °F Lo 52 °F Hi 70 °F Lo 52 °F Hi 72 °F Lo 53 °F Hi 84 °F

 

This Afternoon
 
 A chance of rain before 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 67. Southwest wind around 8 mph. Chance of precipitation is 30%.
Tonight
 
 Rain and possibly a thunderstorm before 2am, then a slight chance of rain between 2am and 5am. Low around 53. Light southwest wind becoming south 5 to 10 mph in the evening. Chance of precipitation is 80%.
Sunday
 
 A chance of rain before 11am, then a chance of showers between 11am and 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 67. South wind 7 to 9 mph. Chance of precipitation is 30%.
Sunday Night
 
 Partly cloudy, with a low around 52. Southwest wind around 6 mph becoming calm in the evening.
Monday
 
 Mostly sunny, with a high near 70. Light and variable wind.
Monday Night
 
 Mostly clear, with a low around 52.
Tuesday
 
 Mostly sunny, with a high near 72.
Tuesday Night
 
 Mostly clear, with a low around 53.
Wednesday
 
 Sunny, with a high near 84.
Wednesday Night
 
 Clear, with a low around 56.
Thursday
 
 Sunny, with a high near 87.
Thursday Night
 
 Clear, with a low around 56.
Friday
 
 Sunny, with a high near 84.
Friday Night
 
 Mostly clear, with a low around 56.
Saturday
 
 Mostly sunny, with a high near 77.

 

Forecast from NOAA-NWS for Keizer OR.