NWS Forecast for Lebanon OR

National Weather Service Forecast for: Lebanon OR
Issued by: National Weather Service Portland, OR

Updated: 4:41 pm PST Feb 2, 2026

Tonight Patchy Fog	Tuesday Patchy Frost and Patchy Dense Fog then Mostly Sunny	Tuesday Night Patchy Fog	Wednesday Mostly Sunny	Wednesday Night Mostly Clear then Patchy Frost	Thursday Patchy Frost then Sunny	Thursday Night Mostly Clear then Patchy Fog	Friday Areas Fog then Mostly Sunny	Friday Night Patchy Fog then Slight Chance Rain and Patchy Fog
Lo 37 °F	Hi 58 °F	Lo 39 °F	Hi 60 °F	Lo 35 °F	Hi 58 °F	Lo 36 °F	Hi 59 °F	Lo 39 °F

Air Stagnation Advisory

Tonight	Patchy fog after 11pm. Otherwise, mostly clear, with a low around 37. Calm wind.
Tuesday	Patchy dense fog before 9am. Patchy frost before 7am. Otherwise, mostly sunny, with a high near 58. Calm wind.
Tuesday Night	Patchy fog before 2am. Otherwise, mostly cloudy, with a low around 39. Calm wind.
Wednesday	Mostly sunny, with a high near 60. Calm wind.
Wednesday Night	Patchy frost after 4am. Otherwise, mostly clear, with a low around 35. Calm wind.
Thursday	Patchy frost before 8am. Otherwise, sunny, with a high near 58.
Thursday Night	Patchy fog after 5am. Otherwise, mostly clear, with a low around 36.
Friday	Areas of fog before 8am. Otherwise, mostly sunny, with a high near 59.
Friday Night	A slight chance of rain after 4am. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 39.
Saturday	A chance of rain, mainly after 10am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 57.
Saturday Night	Rain likely. Mostly cloudy, with a low around 43.
Sunday	Rain. Mostly cloudy, with a high near 54.
Sunday Night	Rain. Mostly cloudy, with a low around 38.
Monday	Rain likely. Mostly cloudy, with a high near 50.

Forecast from NOAA-NWS for Lebanon OR.