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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Stormy Weather Along the East Coast; Extended Warm-up for the West

A strong low pressure system will bring heavy rain, gusty winds, and thunderstorms along the east coast. Isolated severe thunderstorms could produce damaging winds and a few tornadoes in the Southeast. Heavy rains may result in excessive runoff and flash flooding. Building high pressure out west will produce above normal temperatures, especially, in the Pacific Northwest. Read More >

Hazardous Weather Conditions

Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Mostly Cloudy

59°F

15°C

Humidity 42%
Wind Speed S 9 mph
Barometer 30.34 in (1027.2 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 24 Apr 10:51 am EDT
Extended Forecast for

Portland ME

  • Today

    Today: Sunny, with a high near 64. South wind 5 to 15 mph.

    Sunny

    High: 64 °F

  • Tonight

    Tonight: A 30 percent chance of rain after 4am. Increasing clouds, with a low around 44. South wind 5 to 15 mph. New precipitation amounts of less than a tenth of an inch possible.

    Partly Cloudy
    then Chance
    Rain

    Low: 44 °F

  • Wednesday

    Wednesday: Rain, mainly after 7am. Patchy fog after 11am. High near 52. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Rain and
    Patchy Fog

    High: 52 °F

  • Wednesday
    Night

    Wednesday Night: Rain. Areas of fog. Low around 46. Southeast wind 5 to 15 mph. Chance of precipitation is 100%.

    Rain and
    Areas Fog

    Low: 46 °F

  • Thursday

    Thursday: Rain likely before 9am, then a chance of showers after 9am. Areas of fog before 1pm. Otherwise, mostly cloudy, with a high near 58. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%.

    Rain Likely
    and Areas Fog

    High: 58 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 44.

    Partly Cloudy

    Low: 44 °F

  • Friday

    Friday: Mostly sunny, with a high near 59.

    Mostly Sunny

    High: 59 °F

  • Friday
    Night

    Friday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 44.

    Chance Rain

    Low: 44 °F

  • Saturday

    Saturday: A 30 percent chance of showers. Mostly cloudy, with a high near 57.

    Chance
    Showers

    High: 57 °F

Detailed Forecast

Today
Sunny, with a high near 64. South wind 5 to 15 mph.
Tonight
A 30 percent chance of rain after 4am. Increasing clouds, with a low around 44. South wind 5 to 15 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain, mainly after 7am. Patchy fog after 11am. High near 52. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain. Areas of fog. Low around 46. Southeast wind 5 to 15 mph. Chance of precipitation is 100%.
Thursday
Rain likely before 9am, then a chance of showers after 9am. Areas of fog before 1pm. Otherwise, mostly cloudy, with a high near 58. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 59.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 44.
Saturday
A 30 percent chance of showers. Mostly cloudy, with a high near 57.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 57.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Portland ME
 43.66°N 70.27°W (Elev. 7 ft)
Last Update:
9:36 am EDT Apr 24, 2018
Forecast Valid:
10am EDT Apr 24, 2018-6pm EDT Apr 30, 2018
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation