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.

Fair

34°F

1°C

Humidity 59%
Wind Speed W 15 G 26 mph
Barometer 30.19 in (1022.3 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 14 Mar 11:51 pm EDT
Extended Forecast for

Portland ME

  • Overnight

    Overnight: Mostly clear, with a low around 28. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 39. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 39 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly after 3am. Mostly cloudy, with a low around 33. South wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday

    Monday: Rain. High near 50. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.

    High: 50 °F

    Rain and
    Breezy

  • Monday Night

    Monday Night: Rain. Low around 43. Breezy, with a south wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%.

    Low: 43 °F

    Rain and
    Breezy

  • Tuesday

    Tuesday: Rain likely before 8am. Mostly sunny, with a high near 44. Chance of precipitation is 60%.

    High: 44 °F

    Rain Likely
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 28. West wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 39. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
A 30 percent chance of rain, mainly after 3am. Mostly cloudy, with a low around 33. South wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain. High near 50. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
Monday Night
Rain. Low around 43. Breezy, with a south wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%.
Tuesday
Rain likely before 8am. Mostly sunny, with a high near 44. Chance of precipitation is 60%.
Tuesday Night
Mostly clear, with a low around 20.
Wednesday
Sunny, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
Mostly cloudy, with a high near 40.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
Partly sunny, with a high near 42.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 27.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 37.
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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:
6:37 pm EDT Mar 14, 2026
Forecast Valid:
12am EDT Mar 15, 2026-6pm EDT Mar 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