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.

Mostly Cloudy

49°F

9°C

Humidity 55%
Wind Speed N 3 mph
Barometer 30.46 in (1031.3 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 10 Oct 7:51 pm 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

  • Tonight

    Tonight: Partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 59. Light southwest 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: Rain. Low around 51. Southwest wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 51 °F

    Rain Likely
    then Rain

  • Columbus Day

    Columbus Day: A 30 percent chance of showers before 7am. Cloudy through mid morning, then gradual clearing, with a high near 65. Calm wind becoming northwest around 5 mph.

    High: 65 °F

    Chance
    Showers then
    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers after 5am. Mostly cloudy, with a low around 48. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, mainly after 10am. Cloudy, with a high near 55. Chance of precipitation is 70%.

    High: 55 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers. Low around 51. Chance of precipitation is 90%.

    Low: 51 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.

    High: 63 °F

    Showers
    Likely then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 42. Calm wind.
Sunday
Increasing clouds, with a high near 59. Light southwest wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Sunday Night
Rain. Low around 51. Southwest wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Columbus Day
A 30 percent chance of showers before 7am. Cloudy through mid morning, then gradual clearing, with a high near 65. Calm wind becoming northwest around 5 mph.
Monday Night
A 30 percent chance of showers after 5am. Mostly cloudy, with a low around 48. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Showers likely, mainly after 10am. Cloudy, with a high near 55. Chance of precipitation is 70%.
Tuesday Night
Showers. Low around 51. Chance of precipitation is 90%.
Wednesday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 43.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 56.
Friday Night
Showers likely. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 56. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland ME
 43.66°N 70.27°W (Elev. 7 ft)
Last Update:
2:20 pm EDT Oct 10, 2026
Forecast Valid:
8pm EDT Oct 10, 2026-6pm EDT Oct 17, 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