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.

Partly Cloudy

83°F

28°C

Humidity 43%
Wind Speed W 20 G 36 mph
Barometer 29.68 in (1005.1 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 10 Sep 12:51 pm EDT
Extended Forecast for

Knightville ME

  • This Afternoon

    This Afternoon: Sunny, with a high near 86. Breezy, with a west wind 20 to 25 mph, with gusts as high as 40 mph.

    High: 86 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 56. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 74. West wind around 5 mph.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 70. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers between 10am and 2pm. Partly sunny, with a high near 73. Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 86. Breezy, with a west wind 20 to 25 mph, with gusts as high as 40 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 56. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 74. West wind around 5 mph.
Friday Night
Clear, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 70. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
A chance of showers between 10am and 2pm. Partly sunny, with a high near 73. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Mostly sunny, with a high near 76.
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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:
6:46 am EDT Sep 10, 2026
Forecast Valid:
12pm EDT Sep 10, 2026-6pm EDT Sep 16, 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