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

42°F

6°C

Humidity 41%
Wind Speed N 9 mph
Barometer 29.78 in (1008.4 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 18 Feb 2:51 pm EST
Extended Forecast for

Portland International Jetport ME

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 41. Northwest wind around 5 mph.

    High: 41 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 18. North wind around 5 mph.

    Low: 18 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 37. Northwest wind around 5 mph becoming calm in the morning.

    High: 37 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19. Calm wind.

    Low: 19 °F

    Partly Cloudy

  • Friday

    Friday: Snow likely, mainly after 5pm. Mostly cloudy, with a high near 36. Light and variable wind becoming east 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 36 °F

    Partly Sunny
    then Snow
    Likely

  • Friday Night

    Friday Night: Snow. Low around 18. Chance of precipitation is 90%.

    Low: 18 °F

    Snow

  • Saturday

    Saturday: Snow likely, mainly before 7am. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.

    High: 29 °F

    Snow Likely
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 41. Northwest wind around 5 mph.
Tonight
Partly cloudy, with a low around 18. North wind around 5 mph.
Thursday
Sunny, with a high near 37. Northwest wind around 5 mph becoming calm in the morning.
Thursday Night
Partly cloudy, with a low around 19. Calm wind.
Friday
Snow likely, mainly after 5pm. Mostly cloudy, with a high near 36. Light and variable wind becoming east 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Friday Night
Snow. Low around 18. Chance of precipitation is 90%.
Saturday
Snow likely, mainly before 7am. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.
Saturday Night
Mostly cloudy, with a low around 17.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
Partly cloudy, with a low around 18.
Monday
Partly sunny, with a high near 34.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
Sunny, with a high near 33.
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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:
1:24 pm EST Feb 18, 2026
Forecast Valid:
2pm EST Feb 18, 2026-6pm EST Feb 24, 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