National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Mostly Cloudy

68°F

20°C

Humidity 96%
Wind Speed S 3 mph
Barometer 29.92 in (1013.2 mb)
Dewpoint 67°F (19°C)
Visibility 9.00 mi
Last update 1 Jul 1:51 am EDT
Extended Forecast for

Fort Preble ME

Extreme Heat Watch July 2, 11:00am until July 2, 08:00pm
Heat Advisory July 1, 11:00am until July 1, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
Heat Advisory

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 10am. Mostly sunny, with a high near 83. South wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 75. West wind around 5 mph.

    Low: 75 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 92. Heat index values as high as 103. Southwest wind 5 to 10 mph.

    High: 92 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 77. West wind around 5 mph.

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 93.

    High: 93 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Independence Day

    Independence Day: A 30 percent chance of showers after 4pm. Mostly sunny and hot, with a high near 98.

    High: 98 °F

    Sunny then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 10am. Mostly sunny, with a high near 83. South wind 5 to 10 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 75. West wind around 5 mph.
Thursday
Sunny and hot, with a high near 92. Heat index values as high as 103. Southwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 77. West wind around 5 mph.
Friday
Sunny and hot, with a high near 93.
Friday Night
Mostly clear, with a low around 71.
Independence Day
A 30 percent chance of showers after 4pm. Mostly sunny and hot, with a high near 98.
Saturday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 66.
Sunday
Partly sunny, with a high near 81.
Sunday Night
Mostly cloudy, with a low around 63.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 77.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 78.
Basemap Options
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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:
2:19 am EDT Jul 1, 2026
Forecast Valid:
2am EDT Jul 1, 2026-6pm EDT Jul 7, 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