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.

Mostly Cloudy

79°F

26°C

Humidity 50%
Wind Speed NW 13 G 18 mph
Barometer 29.58 in (1001.5 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 15 Jun 4:51 pm EDT
Extended Forecast for

Portland ME

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 53. Northwest wind 5 to 10 mph.

    Low: 53 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 74. Northwest wind 5 to 10 mph.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. Southwest wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55. South wind around 5 mph.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 69. Chance of precipitation is 80%.

    High: 69 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 10pm, then a chance of showers between 10pm and 3am. Low around 59. Chance of precipitation is 80%.

    Low: 59 °F

    Showers then
    Chance
    Showers

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 53. Northwest wind 5 to 10 mph.
Tuesday
Sunny, with a high near 74. Northwest wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 55. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 72. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 55. South wind around 5 mph.
Thursday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 69. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before 10pm, then a chance of showers between 10pm and 3am. Low around 59. Chance of precipitation is 80%.
Juneteenth
Mostly sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 59.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 57.
Monday
A 30 percent chance of showers. Mostly sunny, with a high near 71.
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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 Jun 15, 2026
Forecast Valid:
5pm EDT Jun 15, 2026-6pm EDT Jun 22, 2026
 
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