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.

Mostly Cloudy

50°F

10°C

Humidity 96%
Wind Speed SW 3 mph
Barometer 29.97 in (1014.7 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 16 May 4:51 am EDT
Extended Forecast for

2 Miles ESE Union Falls ME

  • Today

    Today: Patchy fog before 7am. Otherwise, sunny, with a high near 76. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 76 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 57. South wind around 5 mph.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 79. West wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48. Northwest wind around 5 mph becoming calm.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 67. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers after 4pm. Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Patchy fog before 7am. Otherwise, sunny, with a high near 76. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 57. South wind around 5 mph.
Sunday
Sunny, with a high near 79. West wind 5 to 15 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 48. Northwest wind around 5 mph becoming calm.
Monday
Mostly sunny, with a high near 67. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
A 30 percent chance of showers after 4pm. Mostly sunny, with a high near 84.
Wednesday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Union Falls ME
 43.57°N 70.53°W (Elev. 118 ft)
Last Update:
2:16 am EDT May 16, 2026
Forecast Valid:
4am EDT May 16, 2026-6pm EDT May 22, 2026
 
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