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

71°F

22°C

Humidity 66%
Wind Speed S 7 mph
Barometer 30.19 in (1022.2 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 6 Jul 6:51 pm EDT
Extended Forecast for

Knightville ME

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 59. Southeast wind around 5 mph becoming calm.

    Low: 59 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: A chance of showers before 10am, then rain likely, mainly after 2pm. Mostly cloudy, with a high near 72. East wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely before 8pm, then a chance of showers between 8pm and 2am. Patchy fog after midnight. Otherwise, cloudy, with a low around 57. Northeast wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Rain Likely
    then Slight
    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 81. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 81 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. Southwest wind around 5 mph.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 90. Chance of precipitation is 40%.

    High: 90 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 10pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 59. Southeast wind around 5 mph becoming calm.
Tuesday
A chance of showers before 10am, then rain likely, mainly after 2pm. Mostly cloudy, with a high near 72. East wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain likely before 8pm, then a chance of showers between 8pm and 2am. Patchy fog after midnight. Otherwise, cloudy, with a low around 57. Northeast wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 81. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 62. Southwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 68.
Friday
A chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 90. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 10pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 64.
Monday
A 30 percent chance of showers. Mostly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Knightville ME
 43.62°N 70.25°W (Elev. 75 ft)
Last Update:
7:12 pm EDT Jul 6, 2026
Forecast Valid:
7pm EDT Jul 6, 2026-6pm EDT Jul 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation