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

70°F

21°C

Humidity 97%
Wind Speed W 3 mph
Barometer 30.02 in (1016.6 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 16 Jul 1:51 am EDT
Extended Forecast for

Portland ME

  • Overnight

    Overnight: Patchy fog. Otherwise, partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 79. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68. South wind around 5 mph.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: Scattered showers and thunderstorms after noon. Partly sunny, with a high near 78. South wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 78 °F

    Partly Sunny
    then
    Scattered
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Patchy fog. Otherwise, partly cloudy, with a low around 69. South wind around 5 mph. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Friday

    Friday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 64. Calm wind.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 79. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 68. South wind around 5 mph.
Thursday
Scattered showers and thunderstorms after noon. Partly sunny, with a high near 78. South wind 5 to 10 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Patchy fog. Otherwise, partly cloudy, with a low around 69. South wind around 5 mph. Chance of precipitation is 30%.
Friday
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 60.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Mostly cloudy, with a low around 62.
Sunday
A 40 percent chance of showers after 8am. Partly sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 73.
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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:
1:36 am EDT Jul 16, 2025
Forecast Valid:
2am EDT Jul 16, 2025-6pm EDT Jul 22, 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