Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

A Few Clouds

63°F

17°C

Humidity 100%
Wind Speed Calm
Barometer 29.80 in (1008.9 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 20 May 5:51 am EDT
Extended Forecast for

Harmon Beach ME

  • Today

    Today: A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 88. Breezy, with a west wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 20%.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 48. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 65. Northwest wind 5 to 10 mph.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38. North wind around 5 mph becoming calm  in the evening.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 68. Calm wind becoming west around 5 mph in the afternoon.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

Detailed Forecast

Today
A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 88. Breezy, with a west wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 48. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 65. Northwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 38. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 68. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Mostly cloudy, with a high near 64.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
Mostly cloudy, with a high near 58.
Sunday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 42.
Memorial Day
A 50 percent chance of showers. Mostly cloudy, with a high near 61.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 46.
Tuesday
Partly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Harmon Beach ME
 43.81°N 70.56°W (Elev. 361 ft)
2:33 am EDT May 20, 2026
6am EDT May 20, 2026-6pm EDT May 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database