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.

Partly Cloudy

74°F

23°C

Humidity 46%
Wind Speed E 9 mph
Barometer 29.93 in (1013.4 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 26 Jul 1:51 pm EDT
Extended Forecast for

Portland International Jetport ME

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 70. Southeast wind around 10 mph.

    High: 70 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57. South wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 73. Light southeast wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 73 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 59.

    Low: 59 °F

    Patchy Fog

  • Wednesday

    Wednesday: Rain likely and possibly a thunderstorm, mainly after 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 68. Chance of precipitation is 60%.

    High: 68 °F

    Rain Likely
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: Rain and possibly a thunderstorm before 2am, then showers, mainly after 2am. Low around 58. Chance of precipitation is 80%.

    Low: 58 °F

    Showers

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.

    High: 76 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 70. Southeast wind around 10 mph.
Tonight
Mostly clear, with a low around 52. Calm wind.
Monday
Sunny, with a high near 77. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 57. South wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 73. Light southeast wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Tuesday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 59.
Wednesday
Rain likely and possibly a thunderstorm, mainly after 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Wednesday Night
Rain and possibly a thunderstorm before 2am, then showers, mainly after 2am. Low around 58. Chance of precipitation is 80%.
Thursday
Showers likely. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Portland International Jetport ME
 43.65°N 70.3°W (Elev. 52 ft)
Last Update:
2:35 pm EDT Jul 26, 2026
Forecast Valid:
2pm EDT Jul 26, 2026-6pm EDT Aug 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation