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

71°F

22°C

Humidity 59%
Wind Speed NW 15 G 31 mph
Barometer 29.52 in (999.4 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 20 Jun 10:51 am EDT
Extended Forecast for

Knightville ME

  • Today

    Today: Mostly sunny, with a high near 73. Northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 59. Northwest wind around 5 mph.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 75. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 7pm. Partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers after 2pm. Partly sunny, with a high near 76. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 76 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers. Low around 57. Chance of precipitation is 90%.

    Low: 57 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, mainly before 8am. Partly sunny, with a high near 84. Chance of precipitation is 60%.

    High: 84 °F

    Showers
    Likely then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 73. Northwest wind around 15 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 59. Northwest wind around 5 mph.
Sunday
A chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 75. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 30 percent chance of showers before 7pm. Partly cloudy, with a low around 58. Calm wind.
Monday
A 40 percent chance of showers after 2pm. Partly sunny, with a high near 76. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Monday Night
Showers. Low around 57. Chance of precipitation is 90%.
Tuesday
Showers likely, mainly before 8am. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 59.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Knightville ME
 43.64°N 70.24°W (Elev. 16 ft)
Last Update:
10:32 am EDT Jun 20, 2026
Forecast Valid:
11am EDT Jun 20, 2026-6pm EDT Jun 26, 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