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

35°F

2°C

Humidity 96%
Wind Speed Calm
Barometer 29.99 in (1015.6 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 18 Oct 6:51 am EDT
Extended Forecast for

Portland ME

  • Today

    Today: Sunny, with a high near 59. North wind around 5 mph becoming southeast in the afternoon.

    High: 59 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 47. Southwest wind around 5 mph becoming calm.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 61. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers after 3am. Mostly cloudy, with a low around 53. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers, mainly after 8am. High near 60. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%.

    High: 60 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers likely, mainly before 10pm. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers after 11pm. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.

    High: 58 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 59. North wind around 5 mph becoming southeast in the afternoon.
Tonight
Mostly clear, with a low around 47. Southwest wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 61. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
A 30 percent chance of showers after 3am. Mostly cloudy, with a low around 53. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Showers, mainly after 8am. High near 60. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%.
Monday Night
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
A 40 percent chance of showers after 11pm. Mostly cloudy, with a low around 50.
Wednesday
Showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland ME
 43.66°N 70.27°W (Elev. 7 ft)
Last Update:
1:35 am EDT Oct 18, 2025
Forecast Valid:
7am EDT Oct 18, 2025-6pm EDT Oct 24, 2025
 
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