National Weather Service United States Department of Commerce

The flash flooding threat shifts slightly east on Friday while both coasts and Hawaii continue high surf issues due to tropical systems

The potential for heavy rainfall and flash flooding will shift east on Friday across parts of the Upper Midwest into the eastern Great Lakes. Meanwhile, portions of both the East and West Coasts, as well as Hawaii, will continue to have high surf and rip current potential due to Hurricane Cristobal and Tropical Storm Marie respectively. Caution should be used on area beaches.
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Hazardous Weather Conditions

Current Conditions

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Portland ME

7 Day Forecast

For More Weather Information:

Gray/Portland, ME Local Forecast Office

Today

Sunny

Sunny

High: 69 °F

Tonight

Mostly Clear

Mostly
Clear

Low: 57 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 70 °F

Saturday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 63 °F

Sunday

Mostly Cloudy

Mostly
Cloudy

High: 79 °F

Sunday
Night

Heavy Rain Chance for Measurable Precipitation 50%

Heavy
Rain

Low: 67 °F

Labor
Day

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

High: 77 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 64 °F

Tuesday

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 76 °F

Detailed Forecast

  • Today Sunny, with a high near 69. North wind around 10 mph becoming southeast in the afternoon.
  • Tonight Mostly clear, with a low around 57. South wind around 5 mph.
  • Saturday Mostly sunny, with a high near 70. South wind 5 to 15 mph.
  • Saturday Night Mostly cloudy, with a low around 63. South wind around 10 mph.
  • Sunday Mostly cloudy, with a high near 79. Southwest wind 5 to 10 mph.
  • Sunday Night A 50 percent chance of showers. The rain could be heavy at times. Mostly cloudy, with a low around 67.
  • Labor Day A 40 percent chance of showers. Partly sunny, with a high near 77.
  • Monday Night Partly cloudy, with a low around 64.
  • Tuesday A 30 percent chance of showers. Partly sunny, with a high near 76.
  • Tuesday Night A 30 percent chance of showers. Mostly cloudy, with a low around 64.
  • Wednesday Mostly sunny, with a high near 78.
  • Wednesday Night Partly cloudy, with a low around 62.
  • Thursday Mostly sunny, with a high near 78.