Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

A Few Clouds

71°F

22°C

Humidity 79%
Wind Speed Calm
Barometer 29.93 in (1013.5 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 1 Aug 7:51 pm EDT
Extended Forecast for

Thornton Heights ME

  • Tonight

    Tonight: Patchy fog between 1am and 3am.  Otherwise, cloudy, with a low around 64. South wind around 5 mph becoming calm.

    Low: 64 °F

    Cloudy then
    Patchy Fog

  • Sunday

    Sunday: Patchy fog between 7am and 8am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 84. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 84 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm, mainly before 5am, then a chance of showers and thunderstorms after 5am.  Low around 63. South wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Mostly Cloudy
    then Showers

  • Monday

    Monday: Showers, mainly after 7am.  High near 82. South wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%.

    High: 82 °F

    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before 8pm.  Mostly cloudy, with a low around 62. Southwest wind around 5 mph.  Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog between 1am and 3am. Otherwise, cloudy, with a low around 64. South wind around 5 mph becoming calm.
Sunday
Patchy fog between 7am and 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 84. South wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Showers and possibly a thunderstorm, mainly before 5am, then a chance of showers and thunderstorms after 5am. Low around 63. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers, mainly after 7am. High near 82. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Monday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 62. Southwest wind around 5 mph. Chance of precipitation is 60%.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
A 40 percent chance of showers after noon. Partly sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 67.
Friday
Mostly sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 66.
Saturday
Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Thornton Heights ME
 43.63°N 70.31°W (Elev. 59 ft)
2:17 pm EDT Aug 1, 2026
8pm EDT Aug 1, 2026-6pm EDT Aug 8, 2026
 
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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