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

71°F

22°C

Humidity 81%
Wind Speed SE 10 G 20 mph
Barometer 30.10 in (1019.4 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 13 Jul 2:51 pm EDT
Extended Forecast for

Portland International Jetport ME

  • Tonight

    Tonight: Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 63. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Patchy Fog

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 76. South wind 5 to 10 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Areas Fog
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 65. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 8am. Otherwise, mostly sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.

    High: 84 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67. South wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 63. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 76. South wind 5 to 10 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 65. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 67. South wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84.
Thursday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 69.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Partly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland International Jetport ME
 43.65°N 70.3°W (Elev. 52 ft)
Last Update:
1:45 pm EDT Jul 13, 2025
Forecast Valid:
3pm EDT Jul 13, 2025-6pm EDT Jul 20, 2025
 
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Additional Resources

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Chance of Precipitation