Summer Heat Continues; Severe Weather For Northeast

A large ridge of high pressure continues to bring summer heat and humidity to several sections of the country. Excessive heat warnings and heat advisories are in effect across the Desert Southwest, southern Plains, Lower Mississippi Valley and a small part of the Mid-Atlantic. Meanwhile, severe thunderstorms are forecast for the Northeast and northern Mid-Atlantic today. Read More >

Hazardous Weather Conditions

Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Heavy Rain Fog/Mist

70°F

21°C

Humidity 93%
Wind Speed NE 5 mph
Barometer 29.92 in (1013.1 mb)
Dewpoint 68°F (20°C)
Visibility 1.50 mi
Last update 21 Aug 3:51 pm EDT
Extended Forecast for

Portland ME

  • This
    Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly after 5pm. Some of the storms could produce gusty winds and heavy rain.  Cloudy, with a high near 72. South wind around 10 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain

    High: 72 °F

  • Tonight

    Tonight: Showers and thunderstorms before 1am, then a chance of showers between 1am and 2am. Some of the storms could produce gusty winds and heavy rain.  Areas of fog after 1am. Low around 67. Southwest wind 5 to 10 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain
    then Heavy
    Rain and
    Areas Fog

    Low: 67 °F

  • Thursday

    Thursday: Areas of fog before 9am.  Otherwise, mostly sunny, with a high near 83. Southwest wind 5 to 10 mph.

    Areas Fog
    then Mostly
    Sunny

    High: 83 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 63. West wind around 5 mph becoming calm  in the evening.

    Partly Cloudy

    Low: 63 °F

  • Friday

    Friday: Mostly sunny, with a high near 75. Northwest wind around 5 mph.

    Mostly Sunny

    High: 75 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 59.

    Mostly Clear

    Low: 59 °F

  • Saturday

    Saturday: Sunny, with a high near 74.

    Sunny

    High: 74 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 59.

    Partly Cloudy

    Low: 59 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 69.

    Mostly Sunny

    High: 69 °F

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly after 5pm. Some of the storms could produce gusty winds and heavy rain. Cloudy, with a high near 72. South wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 1am, then a chance of showers between 1am and 2am. Some of the storms could produce gusty winds and heavy rain. Areas of fog after 1am. Low around 67. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 83. Southwest wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 63. West wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 75. Northwest wind around 5 mph.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly cloudy, with a low around 60.
Wednesday
A chance of showers. Partly sunny, with a high near 74.
Click Map For Forecast
Point Forecast:
Portland ME
 43.66°N 70.27°W (Elev. 7 ft)
3:02 pm EDT Aug 21, 2019
4pm EDT Aug 21, 2019-6pm EDT Aug 28, 2019
 
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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