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.

Light Rain

64°F

18°C

Humidity 93%
Wind Speed Calm
Barometer 29.79 in (1008.9 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 13 Aug 4:51 pm EDT
Extended Forecast for

Rosemont ME

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. West wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 58. Calm wind becoming northwest around 5 mph.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 56. Northwest wind around 5 mph.

    Low: 56 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 83. Northwest wind around 5 mph.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers likely, mainly after 11pm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely

  • Monday

    Monday: A 50 percent chance of showers before 1pm. Partly sunny, with a high near 77.

    High: 77 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. West wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly clear, with a low around 58. Calm wind becoming northwest around 5 mph.
Friday
Sunny, with a high near 83. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Clear, with a low around 56. Northwest wind around 5 mph.
Saturday
Sunny, with a high near 83. Northwest wind around 5 mph.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Showers likely, mainly after 11pm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers before 1pm. Partly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
A chance of showers. Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rosemont ME
 43.67°N 70.3°W (Elev. 75 ft)
Last Update:
2:21 pm EDT Aug 13, 2026
Forecast Valid:
5pm EDT Aug 13, 2026-6pm EDT Aug 20, 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