Air Stagnation Advisory

* WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions.

* WHERE...Central Willamette Valley, Tualatin Valley, and Benton County Lowlands.

* WHEN...Until 4 PM PST Wednesday.

* IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems.

Tuesday, Jan 20, 11:00 PM PST
Clear
38°
Feels 34°
 60%
Dewpt 26°
 ese
5 - 14 mph
Tuesday, Jan 20
Clear conditions throughout the day.
26 46 26 - 46
Wednesday, Jan 21
Partly cloudy throughout the day.
32 47 32 - 47
Thursday, Jan 22
Partly cloudy throughout the day.
29 44 29 - 44
Friday, Jan 23
Clear conditions throughout the day.
31 45 31 - 45
Saturday, Jan 24
Clear conditions throughout the day.
31 43 31 - 43
Sunday, Jan 25
Partly cloudy throughout the day.
30 42 30 - 42
Monday, Jan 26
Partly cloudy throughout the day.
36 45 36 - 45
Tuesday, Jan 27
Partly cloudy throughout the day.
38 48 38 - 48
Wednesday, Jan 28
Partly cloudy throughout the day.
41 52 41 - 52
Thursday, Jan 29
Partly cloudy throughout the day.
39 51 39 - 51
Friday, Jan 30
Cloudy skies throughout the day.
41 50 41 - 50
Saturday, Jan 31
Cloudy skies throughout the day with late afternoon rain.
39 50 39 - 50
Sunday, Feb 1
Partly cloudy throughout the day with afternoon rain.
43 52 43 - 52
Monday, Feb 2
Partly cloudy throughout the day.
38 50 38 - 50
Tuesday, Feb 3
Clear conditions throughout the day.
36 51 36 - 51
Weather forecast for Portland, OR on Wed, 21 Jan 2026 05:58:46 GMT