Hazardous Weather Conditions

Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

A Few Clouds

68°F

20°C

Humidity 84%
Wind Speed SW 5 mph
Barometer 29.89 in (1012.2 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 17 Aug 7:51 am EDT
Extended Forecast for

Trefethen ME

  • Today

    Today: A 30 percent chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 74. South wind 5 to 15 mph, with gusts as high as 25 mph.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight.  Mostly cloudy, then gradually becoming mostly clear, with a low around 54. North wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 68. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56. South wind around 5 mph becoming north after midnight.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 65. Northeast wind 5 to 10 mph becoming southeast in the afternoon.

    High: 65 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 59 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers after 8am.  Mostly cloudy, with a high near 64.

    High: 64 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers before 5am.  Mostly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 74. South wind 5 to 15 mph, with gusts as high as 25 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 54. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Sunny, with a high near 68. North wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 56. South wind around 5 mph becoming north after midnight.
Tuesday
Partly sunny, with a high near 65. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 59.
Wednesday
A 40 percent chance of showers after 8am. Mostly cloudy, with a high near 64.
Wednesday Night
A 40 percent chance of showers before 5am. Mostly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Trefethen ME
 43.68°N 70.2°W (Elev. 16 ft)
6:49 am EDT Aug 17, 2025
7am EDT Aug 17, 2025-6pm EDT Aug 23, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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