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

Hazardous Weather Conditions

Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

A Few Clouds

41°F

5°C

Humidity 62%
Wind Speed W 6 mph
Barometer 30.33 in (1027.1 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 10 Oct 6:51 am EDT
Extended Forecast for

Portland ME

Frost Advisory October 11, 02:00am until October 11, 08:00am
Click here for hazard details and duration
Frost Advisory

  • Today

    Today: Sunny, with a high near 58. Northwest wind 5 to 10 mph.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 39. Calm wind.

    Low: 39 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Increasing clouds, with a high near 59. Light west wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 59 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Showers, mainly after 9pm. Low around 51. South wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 90%.

    Low: 51 °F

    Showers

  • Columbus Day

    Columbus Day: Partly sunny, with a high near 64. Northeast wind around 5 mph becoming northwest in the afternoon.

    High: 64 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Showers, mainly after 10am. High near 56. Chance of precipitation is 80%.

    High: 56 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers. Low around 47. Chance of precipitation is 80%.

    Low: 47 °F

    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers before 2pm. Partly sunny, with a high near 58.

    High: 58 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 58. Northwest wind 5 to 10 mph.
Tonight
Increasing clouds, with a low around 39. Calm wind.
Sunday
Increasing clouds, with a high near 59. Light west wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Sunday Night
Showers, mainly after 9pm. Low around 51. South wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 90%.
Columbus Day
Partly sunny, with a high near 64. Northeast wind around 5 mph becoming northwest in the afternoon.
Monday Night
Mostly cloudy, with a low around 48.
Tuesday
Showers, mainly after 10am. High near 56. Chance of precipitation is 80%.
Tuesday Night
Showers. Low around 47. Chance of precipitation is 80%.
Wednesday
A 40 percent chance of showers before 2pm. Partly sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Partly sunny, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland ME
 43.66°N 70.27°W (Elev. 7 ft)
Last Update:
7:27 am EDT Oct 10, 2026
Forecast Valid:
7am EDT Oct 10, 2026-6pm EDT Oct 16, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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