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

Dangerous Heat Wave from the Midwest to East Coast

A large ridge of high pressure extending from the Central to Eastern U.S. will deliver a dangerous summer heat wave through the weekend. Widespread excessive heat warnings and heat advisories already cover the Eastern two-thirds of the country. A number of record highs and overnight warm minimum temperatures are likely. Heat indices will surge past 100 degrees and approach the 110s. Heat Safety! Read More >

Hazardous Weather Conditions

Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Partly Cloudy

66°F

19°C

Humidity 61%
Wind Speed Calm
Barometer 29.95 in (1014.2 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 18 Jul 9:51 pm EDT
Extended Forecast for

Westbrook ME

  • Tonight

    Tonight: Partly cloudy, with a low around 59. Calm wind.

    Partly Cloudy

    Low: 59 °F

  • Friday

    Friday: Mostly sunny, with a high near 81. Light south wind increasing to 5 to 10 mph in the morning.

    Mostly Sunny

    High: 81 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 68. West wind around 5 mph.

    Partly Cloudy

    Low: 68 °F

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 97. Heat index values as high as 103. Southwest wind around 5 mph.

    Hot

    High: 97 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm after midnight.

    Partly Cloudy

    Low: 73 °F

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 8am. Some of the storms could produce gusty winds. Mostly sunny and hot, with a high near 93.

    Chance
    T-storms

    High: 93 °F

  • Sunday
    Night

    Sunday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.

    Chance
    T-storms

    Low: 68 °F

  • Monday

    Monday: Partly sunny, with a high near 84.

    Partly Sunny

    High: 84 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 61.

    Mostly Cloudy

    Low: 61 °F

Detailed Forecast

Tonight
Partly cloudy, with a low around 59. Calm wind.
Friday
Mostly sunny, with a high near 81. Light south wind increasing to 5 to 10 mph in the morning.
Friday Night
Partly cloudy, with a low around 68. West wind around 5 mph.
Saturday
Mostly sunny and hot, with a high near 97. Heat index values as high as 103. Southwest wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm after midnight.
Sunday
A 30 percent chance of showers and thunderstorms after 8am. Some of the storms could produce gusty winds. Mostly sunny and hot, with a high near 93.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Monday
Partly sunny, with a high near 84.
Monday Night
Mostly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 85.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Westbrook ME
 43.68°N 70.35°W (Elev. 82 ft)
Last Update:
10:13 pm EDT Jul 18, 2019
Forecast Valid:
10pm EDT Jul 18, 2019-6pm EDT Jul 25, 2019
 
Forecast Discussion
 
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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