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.

A Few Clouds

81°F

27°C

Humidity 67%
Wind Speed Calm
Barometer 30.05 in (1017.6 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 23 Jun 8:51 am EDT
Extended Forecast for

Portland ME

Extreme Heat Watch June 24, 11:00am until June 24, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Today

    Today: Mostly sunny, with a high near 74. Light southeast wind increasing to 5 to 10 mph in the morning.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 66. South wind around 5 mph.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 89. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71. Northwest wind around 5 mph.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80. North wind around 5 mph becoming east in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 2am. Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers. Partly sunny, with a high near 68.

    High: 68 °F

    Chance
    Showers

  • Thursday Night

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

    Low: 58 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 65.

    High: 65 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 74. Light southeast wind increasing to 5 to 10 mph in the morning.
Tonight
Partly cloudy, with a low around 66. South wind around 5 mph.
Tuesday
Sunny, with a high near 89. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 71. Northwest wind around 5 mph.
Wednesday
Mostly sunny, with a high near 80. North wind around 5 mph becoming east in the afternoon.
Wednesday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 62.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 58.
Friday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 65.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 58.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 66.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 59.
Sunday
Partly sunny, with a high near 69.
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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:
6:25 am EDT Jun 23, 2025
Forecast Valid:
9am EDT Jun 23, 2025-6pm EDT Jun 29, 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