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.

Overcast

65°F

18°C

Humidity 97%
Wind Speed NE 5 mph
Barometer 29.87 in (1011.3 mb)
Dewpoint 64°F (18°C)
Visibility NA
Last update 18 Aug 2:51 am EDT
Extended Forecast for

Fort Preble ME

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Patchy Fog

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 77. Northeast wind around 5 mph.

    High: 77 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 83. Light southwest wind becoming south 5 to 10 mph in the afternoon.

    High: 83 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64. South wind around 5 mph becoming west after midnight.

    Low: 64 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 63. Calm wind.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 77. Northeast wind around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 62. Calm wind.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 83. Light southwest wind becoming south 5 to 10 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 64. South wind around 5 mph becoming west after midnight.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 60.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 60.
Sunday
Showers likely. Partly sunny, with a high near 75. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 60.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fort Preble ME
 43.64°N 70.24°W (Elev. 16 ft)
Last Update:
2:18 am EDT Aug 18, 2026
Forecast Valid:
3am EDT Aug 18, 2026-6pm EDT Aug 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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