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

75°F

24°C

Humidity 43%
Wind Speed N 6 mph
Barometer 30.13 in (1020.3 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 15 Aug 11:51 am EDT
Extended Forecast for

2 Miles ESE Union Falls ME

  • This Afternoon

    This Afternoon: Sunny, with a high near 81. Northwest wind around 5 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 80. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers, mainly after 11pm. Low around 58. South wind around 5 mph. Chance of precipitation is 80%.

    Low: 58 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers, mainly before 2pm. High near 75. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 75 °F

    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 81. Northwest wind around 5 mph.
Tonight
Mostly clear, with a low around 51. Calm wind.
Sunday
Mostly sunny, with a high near 80. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Sunday Night
Showers, mainly after 11pm. Low around 58. South wind around 5 mph. Chance of precipitation is 80%.
Monday
Showers, mainly before 2pm. High near 75. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Monday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 56.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
A 30 percent chance of showers after 3am. Partly cloudy, with a low around 60.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 80.
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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:
6:24 am EDT Aug 15, 2026
Forecast Valid:
12pm EDT Aug 15, 2026-6pm EDT Aug 21, 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