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

81°F

27°C

Humidity 53%
Wind Speed S 12 mph
Barometer 29.96 in (1014.6 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 20 Aug 1:51 pm EDT
Extended Forecast for

Walnut Hill ME

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 81. South wind around 5 mph.

    High: 81 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 57. South wind around 5 mph becoming calm.

    Low: 57 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 79. North wind around 5 mph becoming southeast in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers after 10am. Mostly cloudy, with a high near 72. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 72 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Rain likely. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 57. Chance of precipitation is 70%.

    Low: 57 °F

    Rain Likely
    and Patchy
    Fog

  • Sunday

    Sunday: A 40 percent chance of showers. Mostly cloudy, with a high near 77.

    High: 77 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 4am. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    T-storms

  • Monday

    Monday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 81. South wind around 5 mph.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 57. South wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 79. North wind around 5 mph becoming southeast in the afternoon.
Friday Night
Mostly cloudy, with a low around 54. Calm wind.
Saturday
A 50 percent chance of showers after 10am. Mostly cloudy, with a high near 72. East wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Rain likely. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 57. Chance of precipitation is 70%.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 77.
Sunday Night
A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 4am. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Monday
Partly sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Walnut Hill ME
 43.84°N 70.25°W (Elev. 259 ft)
Last Update:
2:18 pm EDT Aug 20, 2026
Forecast Valid:
2pm EDT Aug 20, 2026-6pm EDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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