National Weather Service Forecast for: Lebanon OR
Issued by: National Weather Service Portland, OR
Updated: 3:41 pm PDT Sep 12, 2026
 
This
Afternoon
This Afternoon: A slight chance of rain, then showers and possibly a thunderstorm after 5pm. Steady temperature around 64. Southwest wind around 7 mph. Chance of precipitation is 80%.
Showers

 Tonight

Tonight: Rain and possibly a thunderstorm before 1am, then rain likely. Low around 50. Light and variable wind becoming south southeast 5 to 7 mph in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Rain

 Sunday

Sunday: A chance of rain before 11am, then a chance of showers after 4pm. Partly sunny, with a high near 66. South wind 6 to 8 mph. Chance of precipitation is 40%.
Chance Rain

 Sunday
Night
Sunday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 49. Light and variable wind.
Partly Cloudy
then Patchy
Fog
 Monday

Monday: Patchy fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 71. Calm wind becoming north northwest around 5 mph in the afternoon.
Patchy Fog
then Sunny
 Monday
Night
Monday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 48.
Mostly Clear
then Patchy
Fog
 Tuesday

Tuesday: Patchy fog before 9am. Otherwise, sunny, with a high near 72.
Patchy Fog
then Sunny
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 49.
Mostly Clear

 Wednesday

Wednesday: Sunny, with a high near 84.
Sunny
Hi 64 °F Lo 50 °F Hi 66 °F Lo 49 °F Hi 71 °F Lo 48 °F Hi 72 °F Lo 49 °F Hi 84 °F

 

This Afternoon
 
 A slight chance of rain, then showers and possibly a thunderstorm after 5pm. Steady temperature around 64. Southwest wind around 7 mph. Chance of precipitation is 80%.
Tonight
 
 Rain and possibly a thunderstorm before 1am, then rain likely. Low around 50. Light and variable wind becoming south southeast 5 to 7 mph in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
 
 A chance of rain before 11am, then a chance of showers after 4pm. Partly sunny, with a high near 66. South wind 6 to 8 mph. Chance of precipitation is 40%.
Sunday Night
 
 Patchy fog after 3am. Otherwise, partly cloudy, with a low around 49. Light and variable wind.
Monday
 
 Patchy fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 71. Calm wind becoming north northwest around 5 mph in the afternoon.
Monday Night
 
 Patchy fog after 5am. Otherwise, mostly clear, with a low around 48.
Tuesday
 
 Patchy fog before 9am. Otherwise, sunny, with a high near 72.
Tuesday Night
 
 Mostly clear, with a low around 49.
Wednesday
 
 Sunny, with a high near 84.
Wednesday Night
 
 Clear, with a low around 52.
Thursday
 
 Sunny, with a high near 85.
Thursday Night
 
 Mostly clear, with a low around 54.
Friday
 
 Sunny, with a high near 84.
Friday Night
 
 Mostly clear, with a low around 53.
Saturday
 
 Mostly sunny, with a high near 76.

 

Forecast from NOAA-NWS for Lebanon OR.