National Weather Service United States Department of Commerce

Active pattern for the Pacific Northwest this week while a coastal low takes aim on the Northeast later this week

Thunderstorms with heavy rainfall is forecast to bring 5 to 7 inches of rainfall, with localized heavier amounts, to the Pacific Northwest throughout the week. Across the higher mountain elevations, measurable snow is likely. The Northeast will also be the focus of showers and thunderstorms beginning mid-week as a coastal low meanders of the Mid-Atlantic coast.
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Current Conditions

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7 Miles ESE Cascade Locks OR

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Tonight

Chance Showers Chance for Measurable Precipitation 50%

Chance
Showers

Low: 42 °F

Tuesday

Chance Rain Chance for Measurable Precipitation 40%

Chance
Rain

High: 48 °F

Tuesday
Night

Rain Chance for Measurable Precipitation 100%

Rain

Low: 44 °F

Wednesday

Rain Chance for Measurable Precipitation 100%

Rain

High: 51 °F

Wednesday
Night

Rain Chance for Measurable Precipitation 100%

Rain

Low: 44 °F

Thursday

Rain Chance for Measurable Precipitation 90%

Rain

High: 49 °F

Thursday
Night

Showers Likely Chance for Measurable Precipitation 70%

Showers
Likely

Low: 41 °F

Friday

Rain Likely

Rain
Likely

High: 50 °F

Friday
Night

Rain Likely

Rain
Likely

Low: 41 °F

Detailed Forecast

  • Tonight A 50 percent chance of showers. Mostly cloudy, with a low around 42. West southwest wind 9 to 16 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.
  • Tuesday A 40 percent chance of rain, mainly before 11am. Mostly cloudy, with a high near 48. Southwest wind 9 to 11 mph. New precipitation amounts of less than a tenth of an inch possible.
  • Tuesday Night Rain, mainly after 11pm. Low around 44. South wind 8 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Wednesday Rain. High near 51. South southwest wind 9 to 13 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
  • Wednesday Night Rain. Low around 44. West southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
  • Thursday Rain. High near 49. Chance of precipitation is 90%.
  • Thursday Night Showers likely. Cloudy, with a low around 41. Chance of precipitation is 70%.
  • Friday Rain likely. Cloudy, with a high near 50.
  • Friday Night Rain likely. Mostly cloudy, with a low around 41.
  • Saturday A chance of showers. Mostly cloudy, with a high near 55.
  • Saturday Night Showers likely. Cloudy, with a low around 39. Breezy.
  • Sunday Showers likely. Mostly cloudy, with a high near 50.
  • Sunday Night A chance of showers. Mostly cloudy, with a low around 39.
  • Monday A chance of showers. Mostly cloudy, with a high near 48.