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

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Fair

66°F

19°C

Humidity 73%
Wind Speed W 5 mph
Barometer 29.88 in (1011.8 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 20 Aug 2:51 am EDT
Extended Forecast for

Westbrook ME

  • Overnight

    Overnight: Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 83. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 83 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 58. Calm wind becoming north around 5 mph.

    Low: 58 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 79. Northeast wind 5 to 10 mph becoming southeast in the afternoon.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers likely, mainly after 4pm. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.

    High: 74 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers, mainly before 2am. Low around 55. Chance of precipitation is 80%.

    Low: 55 °F

    Showers

  • Sunday

    Sunday: A 40 percent chance of showers. Mostly cloudy, with a high near 79.

    High: 79 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 61. Calm wind.
Thursday
Increasing clouds, with a high near 83. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of showers before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 58. Calm wind becoming north around 5 mph.
Friday
Sunny, with a high near 79. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Friday Night
Partly cloudy, with a low around 54. Calm wind.
Saturday
Showers likely, mainly after 4pm. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.
Saturday Night
Showers, mainly before 2am. Low around 55. Chance of precipitation is 80%.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 79.
Sunday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westbrook ME
 43.7°N 70.35°W (Elev. 85 ft)
Last Update:
2:25 am EDT Aug 20, 2026
Forecast Valid:
3am EDT Aug 20, 2026-6pm EDT Aug 26, 2026
 
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