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.

A Few Clouds

47°F

8°C

Humidity 71%
Wind Speed NW 7 mph
Barometer 30.19 in (1022.4 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 19 Sep 5:51 am EDT
Extended Forecast for

2 Miles ESE Union Falls ME

  • Today

    Today: Sunny, with a high near 66. North wind around 5 mph becoming calm in the morning.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 41. South wind around 5 mph becoming calm.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers between 2pm and 3pm, then rain after 3pm. High near 61. Light south wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Mostly Cloudy
    then Rain

  • Sunday Night

    Sunday Night: Rain likely before midnight, then a chance of showers between midnight and 3am. Mostly cloudy, with a low around 42. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 70%.

    Low: 42 °F

    Rain Likely

  • Monday

    Monday: Mostly sunny, with a high near 66. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 66. North wind around 5 mph becoming calm in the morning.
Tonight
Partly cloudy, with a low around 41. South wind around 5 mph becoming calm.
Sunday
A chance of showers between 2pm and 3pm, then rain after 3pm. High near 61. Light south wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely before midnight, then a chance of showers between midnight and 3am. Mostly cloudy, with a low around 42. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 70%.
Monday
Mostly sunny, with a high near 66. North wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
Partly sunny, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 62.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 41.
Friday
A 30 percent chance of showers. Partly 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:
5:35 am EDT Sep 19, 2026
Forecast Valid:
6am EDT Sep 19, 2026-6pm EDT Sep 25, 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