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.

Fair

66°F

19°C

Humidity 93%
Wind Speed Calm
Barometer 30.15 in (1020.8 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 11 Aug 1:51 am EDT
Extended Forecast for

Portland ME

  • Overnight

    Overnight: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 68. South wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, sunny, with a high near 82. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 66. South wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers between 7pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers after 3pm. Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 67. Calm wind.
Monday
Sunny, with a high near 81. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Monday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 68. South wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog before 8am. Otherwise, sunny, with a high near 82. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Tuesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 66. South wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 83.
Wednesday Night
A chance of showers between 7pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Thursday
A 30 percent chance of showers after 3pm. Mostly sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Mostly sunny, with a high near 80.
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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:
1:59 am EDT Aug 11, 2025
Forecast Valid:
2am EDT Aug 11, 2025-6pm EDT Aug 17, 2025
 
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