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.

Fair

61°F

16°C

Humidity 78%
Wind Speed Vrbl 3 mph
Barometer 30.22 in (1023.2 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 16 Jun 8:51 am EDT
Extended Forecast for

Thornton Heights ME

  • Today

    Today: Mostly sunny, with a high near 69. South wind 5 to 10 mph.

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy drizzle after midnight. Patchy fog between 10pm and 2am. Otherwise, mostly cloudy, with a low around 54. South wind around 5 mph.

    Low: 54 °F

    Patchy Fog
    then Patchy
    Drizzle and
    Patchy Fog

  • Tuesday

    Tuesday: Isolated showers after 3pm. Mostly cloudy, with a high near 70. South wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 70 °F

    Mostly Cloudy
    then Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 8pm. Cloudy, with a low around 58. South wind around 5 mph. Chance of precipitation is 70%.

    Low: 58 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers before 2pm. Mostly cloudy, with a high near 77. South wind around 5 mph.

    High: 77 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: A 40 percent chance of showers after 2pm. Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 2am. Partly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 69. South wind 5 to 10 mph.
Tonight
Patchy drizzle after midnight. Patchy fog between 10pm and 2am. Otherwise, mostly cloudy, with a low around 54. South wind around 5 mph.
Tuesday
Isolated showers after 3pm. Mostly cloudy, with a high near 70. South wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
Showers likely, mainly after 8pm. Cloudy, with a low around 58. South wind around 5 mph. Chance of precipitation is 70%.
Wednesday
A 30 percent chance of showers before 2pm. Mostly cloudy, with a high near 77. South wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 61.
Juneteenth
A 40 percent chance of showers after 2pm. Partly sunny, with a high near 83.
Thursday Night
A 30 percent chance of showers before 2am. Partly cloudy, with a low around 60.
Friday
Sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly cloudy, with a low around 58.
Sunday
Partly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thornton Heights ME
 43.63°N 70.31°W (Elev. 59 ft)
Last Update:
6:10 am EDT Jun 16, 2025
Forecast Valid:
9am EDT Jun 16, 2025-6pm EDT Jun 22, 2025
 
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