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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3 Miles ESE Arch Cape OR

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Tonight

Showers Likely Chance for Measurable Precipitation 70%

Showers
Likely

Low: 44 °F

Tuesday

Rain Chance for Measurable Precipitation 80%

Rain

High: 48 °F

Tuesday
Night

Rain Chance for Measurable Precipitation 100%

Rain

Low: 48 °F

Wednesday

Rain Chance for Measurable Precipitation 100%

Rain

High: 52 °F

Wednesday
Night

Rain Chance for Measurable Precipitation 100%

Rain

Low: 47 °F

Thursday

Showers Chance for Measurable Precipitation 100%

Showers

High: 49 °F

Thursday
Night

Showers Likely Chance for Measurable Precipitation 70%

Showers
Likely

Low: 45 °F

Friday

Rain Likely

Rain
Likely

High: 52 °F

Friday
Night

Rain Likely

Rain
Likely

Low: 45 °F

Detailed Forecast

  • Tonight Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 44. South wind around 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Tuesday Rain. High near 48. Breezy, with a south wind 13 to 18 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
  • Tuesday Night Rain. Low around 48. Windy, with a south wind 31 to 39 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
  • Wednesday Rain. High near 52. Breezy, with a south wind 23 to 29 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
  • Wednesday Night Rain. Low around 47. Breezy, with a south southwest wind around 25 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
  • Thursday Showers. High near 49. Breezy. Chance of precipitation is 100%.
  • Thursday Night Showers likely. Cloudy, with a low around 45. Chance of precipitation is 70%.
  • Friday Rain likely. Cloudy, with a high near 52.
  • Friday Night Rain likely. Cloudy, with a low around 45.
  • Saturday Showers likely. Mostly cloudy, with a high near 53. Breezy.
  • Saturday Night Showers likely. Cloudy, with a low around 45. Breezy.
  • Sunday Showers likely. Mostly cloudy, with a high near 50.
  • Sunday Night A chance of showers. Mostly cloudy, with a low around 43.
  • Monday A chance of showers. Mostly cloudy, with a high near 49.