Portland Airport (PDX) Weather 10/21/2025
This Afternoon
64
Slight Chance Rain
Tonight
51
Rain
Sunday
61
Showers
Sunday Night
47
Rain then Chance Rain
Monday
62
Mostly Sunny
Monday Night
42
Mostly Clear
Tuesday
65
Mostly Sunny
Tuesday Night
45
Partly Cloudy
Wednesday
62
Chance Rain
Wednesday Night
51
Rain Likely
Thursday
64
Chance Rain
Thursday Night
54
Rain Likely
Friday
60
Rain
Weekly Forecast
This Afternoon
A 20 percent chance of rain before 5pm. Mostly cloudy, with a high near 64. Light south wind.
Tonight
Rain. Low around 51. South southeast wind 5 to 13 mph becoming southwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain before 8am, then showers and possibly a thunderstorm, mainly after 8am. High near 61. West southwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Rain, mainly before 11pm. Low around 47. West wind 5 to 10 mph becoming light south southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Monday
Mostly sunny, with a high near 62. Light and variable wind.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
A chance of rain, mainly after 11am. Mostly cloudy, with a high near 62.
Wednesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 51.
Thursday
A chance of rain. Mostly cloudy, with a high near 64.
Thursday Night
Rain likely. Cloudy, with a low around 54.
Friday
Rain. Cloudy, with a high near 60.