NWS Forecast for Lebanon OR

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

Updated: 10:41 pm PDT Apr 5, 2026

Tonight Partly Cloudy	Monday Sunny	Monday Night Mostly Clear then Patchy Fog	Tuesday Patchy Fog then Mostly Sunny	Tuesday Night Mostly Clear then Patchy Frost	Wednesday Sunny	Wednesday Night Mostly Clear	Thursday Sunny	Thursday Night Mostly Clear
Lo 47 °F	Hi 75 °F	Lo 42 °F	Hi 63 °F	Lo 36 °F	Hi 65 °F	Lo 39 °F	Hi 69 °F	Lo 42 °F

Tonight	Partly cloudy, with a low around 47. Calm wind.
Monday	Sunny, with a high near 75. Calm wind becoming west around 5 mph in the afternoon.
Monday Night	Patchy fog after 5am. Otherwise, partly cloudy, with a low around 42. West wind around 5 mph becoming calm in the evening.
Tuesday	Patchy fog before 9am. Otherwise, mostly sunny, with a high near 63. Calm wind becoming north northwest around 5 mph in the afternoon.
Tuesday Night	Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. North wind around 5 mph becoming calm in the evening.
Wednesday	Sunny, with a high near 65.
Wednesday Night	Mostly clear, with a low around 39.
Thursday	Sunny, with a high near 69.
Thursday Night	Mostly clear, with a low around 42.
Friday	Mostly sunny, with a high near 68.
Friday Night	Partly cloudy, with a low around 41.
Saturday	A chance of rain. Mostly sunny, with a high near 61.
Saturday Night	A chance of rain. Mostly cloudy, with a low around 40.
Sunday	A chance of rain. Mostly cloudy, with a high near 59.

Forecast from NOAA-NWS for Lebanon OR.