National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Overcast

53°F

12°C

Humidity 100%
Wind Speed E 7 mph
Barometer 29.74 in (1007.0 mb)
Dewpoint 53°F (12°C)
Visibility 8.00 mi
Wind Chill51°F (11°C)
Last update 17 May 12:51 am EDT
Extended Forecast for

Portland ME

  • Overnight

    Overnight: A 30 percent chance of showers, mainly after 5am. Patchy fog. Otherwise, cloudy, with a low around 53. East wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: Showers likely, mainly between 11am and 1pm. Patchy dense fog. Otherwise, cloudy, with a high near 55. Southeast wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Showers
    Likely and
    Patchy Dense
    Fog

  • Saturday Night

    Saturday Night: Showers likely, mainly between 7pm and 11pm. Areas of fog. Otherwise, mostly cloudy, with a low around 53. East wind around 5 mph becoming northwest after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Showers
    Likely and
    Areas Fog

  • Sunday

    Sunday: Scattered showers. Partly sunny, with a high near 63. Southwest wind around 5 mph. Chance of precipitation is 40%.

    High: 63 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 52. West wind 5 to 10 mph.

    Low: 52 °F

    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 58.

    High: 58 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 52.

    High: 52 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers, mainly after 5am. Patchy fog. Otherwise, cloudy, with a low around 53. East wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers likely, mainly between 11am and 1pm. Patchy dense fog. Otherwise, cloudy, with a high near 55. Southeast wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Showers likely, mainly between 7pm and 11pm. Areas of fog. Otherwise, mostly cloudy, with a low around 53. East wind around 5 mph becoming northwest after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Scattered showers. Partly sunny, with a high near 63. Southwest wind around 5 mph. Chance of precipitation is 40%.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 52. West wind 5 to 10 mph.
Monday
A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 58.
Monday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 47.
Tuesday
Mostly cloudy, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 46.
Wednesday
Mostly cloudy, with a high near 50.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 45.
Thursday
Showers likely. Mostly cloudy, with a high near 49. Chance of precipitation is 60%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Friday
Showers likely. Mostly cloudy, with a high near 51. Chance of precipitation is 60%.
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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:
10:58 pm EDT May 16, 2025
Forecast Valid:
1am EDT May 17, 2025-6pm EDT May 23, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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