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.

A Few Clouds

64°F

18°C

Humidity 70%
Wind Speed NW 10 mph
Barometer 30.15 in (1020.8 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 15 Aug 7:51 am EDT
Extended Forecast for

Portland ME

  • Today

    Today: Sunny, with a high near 79. West wind around 5 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. Southwest wind around 5 mph becoming north after midnight.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 73. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers likely, mainly after 3am. Mostly cloudy, with a low around 63. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 63 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers, mainly before 2pm. High near 69. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 69 °F

    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 79. West wind around 5 mph.
Tonight
Mostly clear, with a low around 58. Southwest wind around 5 mph becoming north after midnight.
Sunday
Mostly sunny, with a high near 73. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Sunday Night
Showers likely, mainly after 3am. Mostly cloudy, with a low around 63. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Monday
Showers, mainly before 2pm. High near 69. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Monday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 62.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 81.
Wednesday Night
A 30 percent chance of showers after 3am. Partly cloudy, with a low around 64.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Sunny, with a high near 78.
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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:
6:24 am EDT Aug 15, 2026
Forecast Valid:
8am EDT Aug 15, 2026-6pm EDT Aug 21, 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