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

55°F

13°C

Humidity 80%
Wind Speed Calm
Barometer 29.86 in (1011.0 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 27 Jul 12:51 am EDT
Extended Forecast for

Portland ME

  • Overnight

    Overnight: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 73. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58. South wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 71. Light southeast wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 71 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 60. Southeast wind around 5 mph.

    Low: 60 °F

    Patchy Fog

  • Wednesday

    Wednesday: Rain likely and possibly a thunderstorm, mainly after 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 67. Chance of precipitation is 60%.

    High: 67 °F

    Rain Likely
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: Rain and possibly a thunderstorm before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then showers likely after 2am. Low around 59. Chance of precipitation is 80%.

    Low: 59 °F

    Showers

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 55. Calm wind.
Monday
Sunny, with a high near 73. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 58. South wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 71. Light southeast wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 60. Southeast wind around 5 mph.
Wednesday
Rain likely and possibly a thunderstorm, mainly after 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Wednesday Night
Rain and possibly a thunderstorm before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then showers likely after 2am. Low around 59. Chance of precipitation is 80%.
Thursday
Showers likely. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 82.
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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:
10:51 pm EDT Jul 26, 2026
Forecast Valid:
1am EDT Jul 27, 2026-6pm EDT Aug 2, 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