National Weather Service Forecast for: Lebanon OR
Issued by: National Weather Service Portland, OR
Updated: 9:41 pm PDT Jun 29, 2026
 
Tonight

Tonight: Mostly cloudy, with a low around 48. West northwest wind around 6 mph becoming calm  in the evening.
Mostly Cloudy

Tuesday

Tuesday: Partly sunny, with a high near 69. Calm wind becoming northwest around 5 mph in the afternoon.
Partly Sunny

Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 46. Northwest wind 5 to 8 mph becoming calm  in the evening.
Partly Cloudy

Wednesday

Wednesday: Partly sunny, with a high near 71. Calm wind becoming north northwest around 6 mph in the afternoon.
Partly Sunny

Wednesday
Night
Wednesday Night: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 47. North northwest wind 5 to 7 mph becoming calm  after midnight.
Mostly Cloudy
then Patchy
Fog
Thursday

Thursday: Mostly sunny, with a high near 75.
Mostly Sunny

Thursday
Night
Thursday Night: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 50.
Partly Cloudy
then Patchy
Fog
Friday

Friday: Sunny, with a high near 80.
Sunny

Friday
Night
Friday Night: Mostly clear, with a low around 51.
Mostly Clear

Lo 48 °F Hi 69 °F Lo 46 °F Hi 71 °F Lo 47 °F Hi 75 °F Lo 50 °F Hi 80 °F Lo 51 °F

 

Tonight
 
Mostly cloudy, with a low around 48. West northwest wind around 6 mph becoming calm in the evening.
Tuesday
 
Partly sunny, with a high near 69. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
 
Partly cloudy, with a low around 46. Northwest wind 5 to 8 mph becoming calm in the evening.
Wednesday
 
Partly sunny, with a high near 71. Calm wind becoming north northwest around 6 mph in the afternoon.
Wednesday Night
 
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 47. North northwest wind 5 to 7 mph becoming calm after midnight.
Thursday
 
Mostly sunny, with a high near 75.
Thursday Night
 
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 50.
Friday
 
Sunny, with a high near 80.
Friday Night
 
Mostly clear, with a low around 51.
Independence Day
 
Sunny, with a high near 83.
Saturday Night
 
Mostly clear, with a low around 52.
Sunday
 
Sunny, with a high near 82.
Sunday Night
 
Partly cloudy, with a low around 52.
Monday
 
Sunny, with a high near 82.

 

Forecast from NOAA-NWS for Lebanon OR.