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.

Partly Cloudy

77°F

25°C

Humidity 47%
Wind Speed W 9 mph
Barometer 29.80 in (1009.0 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 24 Jun 2:51 pm EDT
Extended Forecast for

Portland ME

  • Tonight

    Tonight: Partly cloudy, with a low around 59. West wind 5 to 10 mph.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 75. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 75 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Showers likely, mainly after 5am. Patchy fog after 2am. Otherwise, increasing clouds, with a low around 58. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 58 °F

    Mostly Cloudy
    then Showers
    Likely and
    Patchy Fog

  • Friday

    Friday: Showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. High near 70. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    High: 70 °F

    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 58. South wind around 5 mph becoming calm.

    Low: 58 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 59. West wind 5 to 10 mph.
Thursday
Increasing clouds, with a high near 75. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Thursday Night
Showers likely, mainly after 5am. Patchy fog after 2am. Otherwise, increasing clouds, with a low around 58. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. High near 70. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Friday Night
A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 58. South wind around 5 mph becoming calm.
Saturday
Partly sunny, with a high near 73.
Saturday Night
Mostly cloudy, with a low around 58.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 75.
Monday Night
Mostly cloudy, with a low around 61.
Tuesday
Partly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Mostly sunny, with a high near 75.
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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:
2:30 pm EDT Jun 24, 2026
Forecast Valid:
3pm EDT Jun 24, 2026-6pm EDT Jul 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation