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.

Fog/Mist

47°F

8°C

Humidity 97%
Wind Speed NE 3 mph
Barometer 29.70 in (1005.6 mb)
Dewpoint 46°F (8°C)
Visibility 2.00 mi
Last update 30 Apr 6:51 pm EDT
Extended Forecast for

Portland International Jetport ME

  • Tonight

    Tonight: A 20 percent chance of showers before 8pm. Mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 59. Northwest wind around 5 mph.

    High: 59 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy frost after 5am. Otherwise, partly cloudy, with a low around 38. Northwest wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Mostly Clear
    then Patchy
    Frost

  • Saturday

    Saturday: A 30 percent chance of showers after 5pm. Partly sunny, with a high near 54. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 54 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40. South wind around 5 mph becoming calm.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers before 4pm. Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Monday Night

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

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers before 8pm. Mostly cloudy, with a low around 41. Calm wind.
Friday
Mostly sunny, with a high near 59. Northwest wind around 5 mph.
Friday Night
Patchy frost after 5am. Otherwise, partly cloudy, with a low around 38. Northwest wind around 5 mph becoming calm in the evening.
Saturday
A 30 percent chance of showers after 5pm. Partly sunny, with a high near 54. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 40. South wind around 5 mph becoming calm.
Sunday
A 50 percent chance of showers before 4pm. Mostly cloudy, with a high near 53.
Sunday Night
Mostly clear, with a low around 37.
Monday
Mostly sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Partly sunny, with a high near 65.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
Partly sunny, with a high near 62.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Thursday
Showers likely. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland International Jetport ME
 43.65°N 70.3°W (Elev. 52 ft)
Last Update:
2:25 pm EDT Apr 30, 2026
Forecast Valid:
7pm EDT Apr 30, 2026-6pm EDT May 7, 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