National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Partly Cloudy

64°F

18°C

Humidity 96%
Wind Speed S 3 mph
Barometer 29.86 in (1011.3 mb)
Dewpoint 63°F (17°C)
Visibility 9.00 mi
Last update 18 Jun 8:51 pm EDT
Extended Forecast for

Knightville ME

  • Tonight

    Tonight: Areas of fog. Otherwise, mostly cloudy, with a low around 61. South wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Areas Fog

  • Juneteenth

    Juneteenth: A slight chance of showers between 10am and 5pm. Areas of fog before 2pm, then patchy fog after 3pm. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 74. Light south wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 20%.

    High: 74 °F

    Slight Chance
    Showers and
    Areas Fog

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Patchy fog before 7pm. Otherwise, partly cloudy, with a low around 65. Southwest wind around 10 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Sunny, with a high near 81. West wind 10 to 15 mph, with gusts as high as 35 mph.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. West wind around 5 mph.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers before 2pm. Mostly sunny, with a high near 80.

    High: 80 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

Tonight
Areas of fog. Otherwise, mostly cloudy, with a low around 61. South wind around 5 mph becoming calm in the evening.
Juneteenth
A slight chance of showers between 10am and 5pm. Areas of fog before 2pm, then patchy fog after 3pm. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 74. Light south wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms. Patchy fog before 7pm. Otherwise, partly cloudy, with a low around 65. Southwest wind around 10 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 81. West wind 10 to 15 mph, with gusts as high as 35 mph.
Friday Night
Mostly clear, with a low around 60. West wind around 5 mph.
Saturday
Sunny, with a high near 79.
Saturday Night
A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 62.
Sunday
A 30 percent chance of showers before 2pm. Mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
Sunny and hot, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 84.
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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:
3:05 pm EDT Jun 18, 2025
Forecast Valid:
9pm EDT Jun 18, 2025-6pm EDT Jun 25, 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