NWS Forecast for Keizer OR

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

Updated: 1:56 pm PST Feb 2, 2026

This Afternoon Mostly Sunny	Tonight Partly Cloudy then Patchy Fog	Tuesday Patchy Dense Fog then Partly Sunny	Tuesday Night Patchy Fog	Wednesday Patchy Fog then Sunny	Wednesday Night Mostly Clear then Patchy Frost	Thursday Areas Frost then Sunny	Thursday Night Mostly Clear	Friday Mostly Sunny
Hi 58 °F	Lo 39 °F	Hi 56 °F	Lo 38 °F	Hi 58 °F	Lo 35 °F	Hi 57 °F	Lo 36 °F	Hi 57 °F

Air Stagnation Advisory

This Afternoon	Mostly sunny, with a high near 58. South wind 3 to 5 mph.
Tonight	Patchy fog after 2am. Otherwise, partly cloudy, with a low around 39. Calm wind.
Tuesday	Patchy dense fog before 11am. Otherwise, partly sunny, with a high near 56. Calm wind.
Tuesday Night	Patchy fog between 1am and 5am. Otherwise, mostly cloudy, with a low around 38. Calm wind.
Wednesday	Patchy fog before 7am. Otherwise, mostly sunny, with a high near 58. Calm wind.
Wednesday Night	Patchy frost after 4am. Otherwise, mostly clear, with a low around 35.
Thursday	Areas of frost before 8am. Otherwise, sunny, with a high near 57.
Thursday Night	Mostly clear, with a low around 36.
Friday	Mostly sunny, with a high near 57.
Friday Night	A slight chance of rain after 4am. Partly cloudy, with a low around 40.
Saturday	A chance of rain. Partly sunny, with a high near 57.
Saturday Night	Rain likely. Mostly cloudy, with a low around 44.
Sunday	Rain likely. Mostly cloudy, with a high near 54.

Forecast from NOAA-NWS for Keizer OR.