National Weather Service Forecast for: Lebanon OR
Issued by: National Weather Service Portland, OR
Updated: 4:45 pm PST Dec 17, 2025
 
Tonight

Tonight: A slight chance of showers before midnight, then rain, mainly after 2am. Low around 40. South southeast wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Slight Chance
Showers then
Rain
 Thursday

Thursday: Rain. The rain could be heavy at times. High near 57. Breezy, with a south southwest wind 11 to 18 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Heavy Rain
and Breezy
 Thursday
Night
Thursday Night: Rain. The rain could be heavy at times. Low around 43. Breezy, with a west southwest wind 6 to 15 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Heavy Rain
and Breezy
 Friday

Friday: Rain. High near 48. West southwest wind 3 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain

 Friday
Night
Friday Night: Showers. Low around 37. South wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Showers

 Saturday

Saturday: Showers likely. Mostly cloudy, with a high near 48. Chance of precipitation is 70%.
Showers
Likely
 Saturday
Night
Saturday Night: Rain likely, mainly after 10pm. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Rain Likely

 Sunday

Sunday: Rain. Mostly cloudy, with a high near 50.
Rain

 Sunday
Night
Sunday Night: Rain. Cloudy, with a low around 39.
Rain
Lo 40 °F Hi 57 °F Lo 43 °F Hi 48 °F Lo 37 °F Hi 48 °F Lo 37 °F Hi 50 °F Lo 39 °F

Flood Watch
Wind Advisory
 

Tonight
 
 A slight chance of showers before midnight, then rain, mainly after 2am. Low around 40. South southeast wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
 
 Rain. The rain could be heavy at times. High near 57. Breezy, with a south southwest wind 11 to 18 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Thursday Night
 
 Rain. The rain could be heavy at times. Low around 43. Breezy, with a west southwest wind 6 to 15 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Friday
 
 Rain. High near 48. West southwest wind 3 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
 
 Showers. Low around 37. South wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
 
 Showers likely. Mostly cloudy, with a high near 48. Chance of precipitation is 70%.
Saturday Night
 
 Rain likely, mainly after 10pm. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Sunday
 
 Rain. Mostly cloudy, with a high near 50.
Sunday Night
 
 Rain. Cloudy, with a low around 39.
Monday
 
 Rain. Mostly cloudy, with a high near 48.
Monday Night
 
 Rain likely. Mostly cloudy, with a low around 36.
Tuesday
 
 A chance of rain. Mostly cloudy, with a high near 48.
Tuesday Night
 
 A chance of rain. Mostly cloudy, with a low around 34.
Wednesday
 
 A chance of rain. Mostly cloudy, with a high near 45.

 

Forecast from NOAA-NWS for Lebanon OR.