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

-17°C

2°F

Humidity 80%
Wind Speed Calm
Barometer 1023.3 mb (30.22 in)
Dewpoint -19°C (-3°F)
Visibility 16 km
Last update 9 Dec 2:51 am EST
Extended Forecast for

Knightville ME

  • Overnight

    Overnight: Clear, with a low around -14. Northwest wind 5 to 10 km/h.

    Low: -14 °C

    Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near -1. Wind chill values as low as -18. Northwest wind 5 to 10 km/h becoming southwest in the morning.

    High: -1 °C

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of snow between 10pm and 3am. Mostly cloudy, with a low around -7. Southwest wind 10 to 15 km/h, with gusts as high as 30 km/h. Chance of precipitation is 50%.

    Low: -7 °C

    Chance Snow

  • Wednesday

    Wednesday: Rain, mainly after 10am. High near 7. South wind 15 to 20 km/h, with gusts as high as 40 km/h. Chance of precipitation is 90%.

    High: 7 °C

    Chance Rain
    then Rain

  • Wednesday Night

    Wednesday Night: Rain before 1am, then isolated showers between 1am and 2am. Low around -2. Southwest wind around 15 km/h, with gusts as high as 35 km/h. Chance of precipitation is 80%.

    Low: -2 °C

    Rain then
    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 4.

    High: 4 °C

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -8.

    Low: -8 °C

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 0.

    High: 0 °C

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around -7.

    Low: -7 °C

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around -14. Northwest wind 5 to 10 km/h.
Tuesday
Increasing clouds, with a high near -1. Wind chill values as low as -18. Northwest wind 5 to 10 km/h becoming southwest in the morning.
Tuesday Night
A chance of snow between 10pm and 3am. Mostly cloudy, with a low around -7. Southwest wind 10 to 15 km/h, with gusts as high as 30 km/h. Chance of precipitation is 50%.
Wednesday
Rain, mainly after 10am. High near 7. South wind 15 to 20 km/h, with gusts as high as 40 km/h. Chance of precipitation is 90%.
Wednesday Night
Rain before 1am, then isolated showers between 1am and 2am. Low around -2. Southwest wind around 15 km/h, with gusts as high as 35 km/h. Chance of precipitation is 80%.
Thursday
Mostly sunny, with a high near 4.
Thursday Night
Partly cloudy, with a low around -8.
Friday
Sunny, with a high near 0.
Friday Night
Partly cloudy, with a low around -7.
Saturday
Partly sunny, with a high near 2.
Saturday Night
Mostly cloudy, with a low around -6.
Sunday
Partly sunny, with a high near -1.
Sunday Night
Partly cloudy, with a low around -11.
Monday
Mostly sunny, with a high near -3.
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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 m)
Last Update:
12:39 am EST Dec 9, 2025
Forecast Valid:
2am EST Dec 9, 2025-6pm EST Dec 15, 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