National Weather Service United States Department of Commerce

Unsettled weather in store for eastern U.S. into weekend

A complex weather system moving across the eastern U.S. will bring a variety of hazardous weather to the region into the weekend. Much colder weather is expected by Saturday, along with numerous showers and accumulating snow in the higher elevations of the Appalachians. Rain and snow will move into northern New England on Sunday.
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Current Conditions

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Portland OR

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Tonight

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 47 °F

Saturday

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 56 °F

Saturday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 46 °F

Sunday

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

High: 55 °F

Sunday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 55 °F

Monday

Rain Chance for Measurable Precipitation 90%

Rain

High: 57 °F

Monday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 54 °F

Tuesday

Rain

Rain

High: 58 °F

Tuesday
Night

Rain Likely

Rain
Likely

Low: 55 °F

Detailed Forecast

  • Tonight A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 47. Calm wind.
  • Saturday A 30 percent chance of showers after noon. Patchy fog before noon. Otherwise, partly sunny, with a high near 56. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
  • Saturday Night A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 46. West wind around 6 mph becoming light and variable.
  • Sunday A 50 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 55. South wind 5 to 7 mph.
  • Sunday Night Rain. Low around 55. South wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Monday Rain. High near 57. Chance of precipitation is 90%.
  • Monday Night Rain. Low around 54. Chance of precipitation is 80%.
  • Tuesday Rain. Cloudy, with a high near 58.
  • Tuesday Night Rain likely. Cloudy, with a low around 55.
  • Wednesday Rain likely. Mostly cloudy, with a high near 62.
  • Wednesday Night Rain likely. Mostly cloudy, with a low around 54.
  • Thursday Rain likely. Cloudy, with a high near 62.
  • Thursday Night Rain likely. Mostly cloudy, with a low around 52.
  • Friday A chance of showers. Mostly cloudy, with a high near 59.