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

26°F

-3°C

Humidity 55%
Wind Speed NW 14 G 20 mph
Barometer 29.85 in (1010.9 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 13 Mar 1:51 am EDT
Extended Forecast for

Portland International Jetport ME

  • Overnight

    Overnight: Mostly clear, with a low around 25. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 39. West wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 39 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Snow likely before midnight, then rain likely, possibly mixed with snow. Cloudy, with a low around 29. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Saturday

    Saturday: A 40 percent chance of rain before 10am. Partly sunny, with a high near 45. West wind 10 to 15 mph, with gusts as high as 35 mph.

    High: 45 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 23. West wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 23 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of rain after 2am. Cloudy, with a low around 29.

    Low: 29 °F

    Cloudy then
    Chance Rain

  • Monday

    Monday: Rain, mainly after 7am. High near 52. Chance of precipitation is 100%.

    High: 52 °F

    Rain

  • Monday Night

    Monday Night: Rain. Low around 36. Chance of precipitation is 100%.

    Low: 36 °F

    Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 25. Northwest wind around 10 mph, with gusts as high as 20 mph.
Friday
Increasing clouds, with a high near 39. West wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Snow likely before midnight, then rain likely, possibly mixed with snow. Cloudy, with a low around 29. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Saturday
A 40 percent chance of rain before 10am. Partly sunny, with a high near 45. West wind 10 to 15 mph, with gusts as high as 35 mph.
Saturday Night
Mostly clear, with a low around 23. West wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday
Partly sunny, with a high near 40.
Sunday Night
A 30 percent chance of rain after 2am. Cloudy, with a low around 29.
Monday
Rain, mainly after 7am. High near 52. Chance of precipitation is 100%.
Monday Night
Rain. Low around 36. Chance of precipitation is 100%.
Tuesday
Rain likely, mainly before 7am. Partly sunny, with a high near 47. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Sunny, with a high near 34.
Wednesday Night
Partly cloudy, with a low around 18.
Thursday
Mostly sunny, with a high near 39.
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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:
8:03 pm EDT Mar 12, 2026
Forecast Valid:
1am EDT Mar 13, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation