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

47°F

8°C

Humidity 46%
Wind Speed NW 13 mph
Barometer 29.72 in (1006.2 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 3 May 7:51 pm EDT
Extended Forecast for

Portland ME

  • Tonight

    Tonight: Mostly clear, with a low around 40. West wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 62. West wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50. Southwest wind 5 to 10 mph.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64. Breezy, with a south wind 10 to 20 mph, with gusts as high as 35 mph.

    High: 64 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 54 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain, mainly after 2pm. High near 57. Chance of precipitation is 80%.

    High: 57 °F

    Chance Rain
    then Rain

  • Wednesday Night

    Wednesday Night: Rain before 8pm, then showers, mainly between 8pm and 3am. Low around 47. Chance of precipitation is 80%.

    Low: 47 °F

    Rain

  • Thursday

    Thursday: A 40 percent chance of showers. Partly sunny, with a high near 56.

    High: 56 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 40. West wind 5 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 62. West wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 50. Southwest wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 64. Breezy, with a south wind 10 to 20 mph, with gusts as high as 35 mph.
Tuesday Night
Mostly cloudy, with a low around 54. South wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Rain, mainly after 2pm. High near 57. Chance of precipitation is 80%.
Wednesday Night
Rain before 8pm, then showers, mainly between 8pm and 3am. Low around 47. Chance of precipitation is 80%.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 56.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 44.
Friday
A 30 percent chance of showers before 11am. Partly sunny, with a high near 56.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 44.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland ME
 43.66°N 70.27°W (Elev. 7 ft)
Last Update:
2:19 pm EDT May 3, 2026
Forecast Valid:
8pm EDT May 3, 2026-6pm EDT May 10, 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