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.

Fog/Mist

18°C

65°F

Humidity 100%
Wind Speed S 9 km/h
Barometer 1018.1 mb (30.07 in)
Dewpoint 18°C (65°F)
Visibility 2.01 km
Last update 14 Jul 5:51 am EDT
Extended Forecast for

Portland ME

  • Today

    Today: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 22. South wind 10 to 15 km/h, with gusts as high as 30 km/h. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    High: 22 °C

    Areas Fog
    then Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Areas of fog after 11pm. Otherwise, mostly cloudy, with a low around 19. South wind 5 to 10 km/h. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Low: 19 °C

    Chance
    T-storms and
    Areas Fog
    then Areas
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 27. West wind 5 to 10 km/h becoming south in the morning.

    High: 27 °C

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after midnight. Otherwise, mostly clear, with a low around 19. South wind 5 to 10 km/h.

    Low: 19 °C

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Mostly sunny, with a high near 27. South wind 5 to 10 km/h increasing to 10 to 15 km/h in the afternoon.

    High: 27 °C

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 21.

    Low: 21 °C

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 26.

    High: 26 °C

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 20.

    Low: 20 °C

    Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 25.

    High: 25 °C

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 22. South wind 10 to 15 km/h, with gusts as high as 30 km/h. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Areas of fog after 11pm. Otherwise, mostly cloudy, with a low around 19. South wind 5 to 10 km/h. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Tuesday
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 27. West wind 5 to 10 km/h becoming south in the morning.
Tuesday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 19. South wind 5 to 10 km/h.
Wednesday
Mostly sunny, with a high near 27. South wind 5 to 10 km/h increasing to 10 to 15 km/h in the afternoon.
Wednesday Night
Partly cloudy, with a low around 21.
Thursday
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 26.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 20.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 25.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 18.
Saturday
Mostly sunny, with a high near 24.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
Mostly sunny, with a high near 23.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland ME
 43.66°N 70.27°W (Elev. 7 m)
Last Update:
2:03 am EDT Jul 14, 2025
Forecast Valid:
5am EDT Jul 14, 2025-6pm EDT Jul 20, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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