National Weather Service Forecast for: Portland OR
Issued by: National Weather Service Portland, OR
Updated: 2:01 pm PDT May 28, 2026
 
Tonight

Tonight: A chance of showers before 1am, then a slight chance of showers after 2am.  Increasing clouds, with a low around 54. Northwest wind 6 to 10 mph becoming southwest after midnight.  Chance of precipitation is 30%.
Chance
Showers
Friday

Friday: A 20 percent chance of showers before 9am.  Cloudy, then gradually becoming mostly sunny, with a high near 66. West northwest wind 7 to 10 mph.
Slight Chance
Showers then
Mostly Cloudy
Friday
Night
Friday Night: Partly cloudy, with a low around 46. Northwest wind 5 to 10 mph becoming light  after midnight. Winds could gust as high as 18 mph.
Partly Cloudy

Saturday

Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 67. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Decreasing
Clouds
Saturday
Night
Saturday Night: Mostly clear, with a low around 46. Northwest wind 5 to 10 mph becoming light  after midnight. Winds could gust as high as 21 mph.
Mostly Clear

Sunday

Sunday: Sunny, with a high near 73.
Sunny

Sunday
Night
Sunday Night: Clear, with a low around 48.
Clear

Monday

Monday: Sunny, with a high near 84.
Sunny

Monday
Night
Monday Night: Mostly clear, with a low around 56.
Mostly Clear

Lo 54 °F Hi 66 °F Lo 46 °F Hi 67 °F Lo 46 °F Hi 73 °F Lo 48 °F Hi 84 °F Lo 56 °F

 

Tonight
 
A chance of showers before 1am, then a slight chance of showers after 2am. Increasing clouds, with a low around 54. Northwest wind 6 to 10 mph becoming southwest after midnight. Chance of precipitation is 30%.
Friday
 
A 20 percent chance of showers before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 66. West northwest wind 7 to 10 mph.
Friday Night
 
Partly cloudy, with a low around 46. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 18 mph.
Saturday
 
Mostly cloudy, then gradually becoming sunny, with a high near 67. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Saturday Night
 
Mostly clear, with a low around 46. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 21 mph.
Sunday
 
Sunny, with a high near 73.
Sunday Night
 
Clear, with a low around 48.
Monday
 
Sunny, with a high near 84.
Monday Night
 
Mostly clear, with a low around 56.
Tuesday
 
Sunny, with a high near 90.
Tuesday Night
 
Partly cloudy, with a low around 59.
Wednesday
 
Partly sunny, with a high near 81.
Wednesday Night
 
Partly cloudy, with a low around 54.
Thursday
 
Mostly sunny, with a high near 79.

 

Forecast from NOAA-NWS for Portland OR.