National Weather Service Forecast for: Lebanon OR
Issued by: National Weather Service Portland, OR
Updated: 4:41 pm PST Dec 19, 2025
 
This
Afternoon
This Afternoon: Showers likely. Mostly cloudy, with a steady temperature around 44. South southwest wind around 6 mph. Chance of precipitation is 60%.
Showers
Likely
 Tonight

Tonight: Showers, mainly before 3am. Low around 38. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Showers
 Saturday

Saturday: A slight chance of showers before 8am, then a slight chance of showers after 3pm. Mostly sunny, with a high near 49. South wind 6 to 8 mph. Chance of precipitation is 20%.
Slight Chance
Showers
 Saturday
Night
Saturday Night: Showers likely, mainly after 4am. Mostly cloudy, with a low around 38. South southeast wind around 5 mph. Chance of precipitation is 60%.
Showers
Likely
 Sunday

Sunday: Showers. High near 49. South southwest wind 5 to 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 40. Chance of precipitation is 100%.
Showers
 Monday

Monday: Showers. High near 48. Chance of precipitation is 80%.
Showers
 Monday
Night
Monday Night: Showers. Mostly cloudy, with a low around 39.
Showers
 Tuesday

Tuesday: A chance of showers. Cloudy, with a high near 48.
Chance
Showers
Hi 44 °F Lo 38 °F Hi 49 °F Lo 38 °F Hi 49 °F Lo 40 °F Hi 48 °F Lo 39 °F Hi 48 °F

Flood Watch
 

This Afternoon
 
 Showers likely. Mostly cloudy, with a steady temperature around 44. South southwest wind around 6 mph. Chance of precipitation is 60%.
Tonight
 
 Showers, mainly before 3am. Low around 38. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
 
 A slight chance of showers before 8am, then a slight chance of showers after 3pm. Mostly sunny, with a high near 49. South wind 6 to 8 mph. Chance of precipitation is 20%.
Saturday Night
 
 Showers likely, mainly after 4am. Mostly cloudy, with a low around 38. South southeast wind around 5 mph. Chance of precipitation is 60%.
Sunday
 
 Showers. High near 49. South southwest wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
 
 Showers. Low around 40. Chance of precipitation is 100%.
Monday
 
 Showers. High near 48. Chance of precipitation is 80%.
Monday Night
 
 Showers. Mostly cloudy, with a low around 39.
Tuesday
 
 A chance of showers. Cloudy, with a high near 48.
Tuesday Night
 
 Showers likely, mainly after 10pm. Mostly cloudy, with a low around 37.
Wednesday
 
 Showers likely. Mostly cloudy, with a high near 47.
Wednesday Night
 
 A chance of showers. Mostly cloudy, with a low around 35.
Christmas Day
 
 A chance of showers. Mostly cloudy, with a high near 47.
Thursday Night
 
 Showers likely. Mostly cloudy, with a low around 35.
Friday
 
 A chance of showers. Mostly cloudy, with a high near 47.

 

Forecast from NOAA-NWS for Lebanon OR.