National Weather Service Forecast for: Lebanon OR
Issued by: National Weather Service Portland, OR
Updated: 6:41 am PDT May 29, 2026
 
Today

Today: A 40 percent chance of showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 65. North northwest wind 3 to 7 mph.
Chance
Showers
 Tonight

Tonight: Partly cloudy, with a low around 42. North northwest wind 5 to 8 mph becoming calm after midnight.
Partly Cloudy
 Saturday

Saturday: Partly sunny, then gradually becoming sunny, with a high near 66. Calm wind becoming north northwest 5 to 7 mph in the morning.
Becoming
Sunny
 Saturday
Night
Saturday Night: Clear, with a low around 41. North wind 3 to 8 mph.
Clear
 Sunday

Sunday: Sunny, with a high near 71. Light north wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Sunny
 Sunday
Night
Sunday Night: Clear, with a low around 45.
Clear
 Monday

Monday: Sunny, with a high near 83.
Sunny
 Monday
Night
Monday Night: Mostly clear, with a low around 52.
Mostly Clear
 Tuesday

Tuesday: Sunny, with a high near 88.
Sunny
Hi 65 °F Lo 42 °F Hi 66 °F Lo 41 °F Hi 71 °F Lo 45 °F Hi 83 °F Lo 52 °F Hi 88 °F

 

Today
 
 A 40 percent chance of showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 65. North northwest wind 3 to 7 mph.
Tonight
 
 Partly cloudy, with a low around 42. North northwest wind 5 to 8 mph becoming calm after midnight.
Saturday
 
 Partly sunny, then gradually becoming sunny, with a high near 66. Calm wind becoming north northwest 5 to 7 mph in the morning.
Saturday Night
 
 Clear, with a low around 41. North wind 3 to 8 mph.
Sunday
 
 Sunny, with a high near 71. Light north wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
 
 Clear, with a low around 45.
Monday
 
 Sunny, with a high near 83.
Monday Night
 
 Mostly clear, with a low around 52.
Tuesday
 
 Sunny, with a high near 88.
Tuesday Night
 
 Mostly cloudy, with a low around 54.
Wednesday
 
 Partly sunny, with a high near 78.
Wednesday Night
 
 Partly cloudy, with a low around 50.
Thursday
 
 Sunny, with a high near 77.

 

Forecast from NOAA-NWS for Lebanon OR.