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.

Mostly Cloudy

67°F

19°C

Humidity 81%
Wind Speed W 3 mph
Barometer 29.91 in (1012.7 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 31 Jul 10:51 pm EDT
Extended Forecast for

2 Miles ESE Union Falls ME

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 83. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 83 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 60. South wind around 5 mph becoming calm.

    Low: 60 °F

    Mostly Cloudy

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 85. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 85 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 62. South wind around 5 mph.

    Low: 62 °F

    Mostly Cloudy

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 82. Chance of precipitation is 80%.

    High: 82 °F

    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 9pm, then a chance of showers between 9pm and 3am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 57. Calm wind.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 83. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 60. South wind around 5 mph becoming calm.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 85. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 62. South wind around 5 mph.
Monday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 82. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm before 9pm, then a chance of showers between 9pm and 3am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
A 30 percent chance of showers after 3pm. Mostly sunny, with a high near 84.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 63.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 87.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 65.
Friday
Mostly sunny, with a high near 88.
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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:
2:23 pm EDT Jul 31, 2026
Forecast Valid:
11pm EDT Jul 31, 2026-6pm EDT Aug 7, 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