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

50°F

10°C

Humidity 89%
Wind Speed W 6 mph
Barometer 29.98 in (1015.3 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 26 Jul 4:51 am EDT
Extended Forecast for

Portland ME

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 70 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 72. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58. South wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 71 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.

    High: 68 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm, then showers after 11pm. Low around 59. Chance of precipitation is 80%.

    Low: 59 °F

    Showers

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind becoming southeast around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 54. Calm wind.
Monday
Sunny, with a high near 72. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 58. South wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 71. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 60.
Wednesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm, then showers after 11pm. Low around 59. Chance of precipitation is 80%.
Thursday
Showers likely. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 61.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 79.
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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:
2:17 am EDT Jul 26, 2026
Forecast Valid:
5am EDT Jul 26, 2026-6pm EDT Aug 1, 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