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.

Mostly Cloudy

66°F

19°C

Humidity 65%
Wind Speed N 9 mph
Barometer 30.07 in (1018.1 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 29 Aug 12:51 am EDT
Extended Forecast for

Portland ME

  • Overnight

    Overnight: Partly cloudy, with a low around 59. Northwest wind around 5 mph.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 73. North wind 5 to 10 mph becoming south in the afternoon.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. Southwest wind around 5 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 76. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 64. Southwest wind around 5 mph becoming northwest after midnight.

    Low: 64 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 59. Northwest wind around 5 mph.
Saturday
Sunny, with a high near 73. North wind 5 to 10 mph becoming south in the afternoon.
Saturday Night
Mostly clear, with a low around 61. Southwest wind around 5 mph.
Sunday
Mostly sunny, with a high near 76. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 64. Southwest wind around 5 mph becoming northwest after midnight.
Monday
Sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Partly sunny, with a high near 72.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 61.
Wednesday
Showers likely, mainly after 11am. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 62.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 76.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 74.
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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:
9:14 pm EDT Aug 28, 2026
Forecast Valid:
1am EDT Aug 29, 2026-6pm EDT Sep 4, 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