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

64°F

18°C

Humidity 65%
Wind Speed SW 6 mph
Barometer 30.09 in (1018.9 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 30 Aug 7:51 am EDT
Extended Forecast for

Knightville ME

  • Today

    Today: Partly sunny, with a high near 87. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 87 °F

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 59. West wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77. North wind 5 to 10 mph becoming south in the afternoon.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 59. South wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 71. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 70.

    High: 70 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 5am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

  • Thursday

    Thursday: A 50 percent chance of showers. Mostly cloudy, with a high near 70.

    High: 70 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 87. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
A 30 percent chance of showers, mainly before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 59. West wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
Sunny, with a high near 77. North wind 5 to 10 mph becoming south in the afternoon.
Monday Night
Increasing clouds, with a low around 59. South wind around 5 mph becoming calm in the evening.
Tuesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 71. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Tuesday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Wednesday
Mostly cloudy, with a high near 70.
Wednesday Night
Showers likely, mainly after 5am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 70.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 59.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 71.
Friday Night
Mostly cloudy, with a low around 57.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Knightville ME
 43.64°N 70.24°W (Elev. 16 ft)
Last Update:
6:36 am EDT Aug 30, 2026
Forecast Valid:
8am EDT Aug 30, 2026-6pm EDT Sep 5, 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