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
High: 88 °F
Mostly Sunny
then Slight
Chance
T-storms and
BreezyTonight

Low: 48 °F
Partly Cloudy
Thursday

High: 65 °F
Mostly Sunny
Thursday Night

Low: 38 °F
Mostly Clear
Friday

High: 68 °F
Sunny
Friday Night

Low: 43 °F
Mostly Cloudy
Saturday

High: 64 °F
Mostly Cloudy
Saturday Night

Low: 43 °F
Mostly Cloudy
Sunday

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.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Harmon Beach ME
43.81°N 70.56°W (Elev. 361 ft)
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


