NWS Forecast for Salem OR

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

Updated: 12:41 pm PST Feb 2, 2026

This Afternoon Mostly Sunny	Tonight Partly Cloudy then Patchy Fog	Tuesday Areas Dense Fog then Partly Sunny	Tuesday Night Mostly Cloudy then Patchy Fog	Wednesday Mostly Sunny	Wednesday Night Mostly Clear then Patchy Frost	Thursday Areas Frost then Sunny	Thursday Night Mostly Clear	Friday Mostly Sunny
Hi 58 °F	Lo 40 °F	Hi 56 °F	Lo 40 °F	Hi 58 °F	Lo 35 °F	Hi 57 °F	Lo 37 °F	Hi 58 °F

Air Stagnation Advisory

This Afternoon	Mostly sunny, with a high near 58. South wind around 5 mph becoming calm.
Tonight	Patchy fog after midnight. Otherwise, partly cloudy, with a low around 40. Calm wind.
Tuesday	Areas of dense fog before 10am. Otherwise, partly sunny, with a high near 56. Calm wind.
Tuesday Night	Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 40. Calm wind.
Wednesday	Mostly sunny, with a high near 58. Calm wind.
Wednesday Night	Patchy frost after 5am. 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 37.
Friday	Mostly sunny, with a high near 58.
Friday Night	A slight chance of rain after 4am. Partly cloudy, with a low around 41.
Saturday	A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 57.
Saturday Night	Rain likely. Mostly cloudy, with a low around 45.
Sunday	Rain likely. Mostly cloudy, with a high near 54.

Forecast from NOAA-NWS for Salem OR.