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

35°F

2°C

Humidity 64%
Wind Speed S 13 G 21 mph
Barometer 29.96 in (1014.7 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 13 Mar 4:51 pm EDT
Extended Forecast for

Portland ME

  • Tonight

    Tonight: Snow likely before 2am, then snow, possibly mixed with rain. Low around 33. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 33 °F

    Chance Snow
    then
    Rain/Snow

  • Saturday

    Saturday: A slight chance of rain before 7am, then a chance of rain after 8am. Partly sunny, with a high near 44. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27. West wind 10 to 15 mph, with gusts as high as 35 mph.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 40. Northwest wind around 5 mph becoming south in the afternoon.

    High: 40 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Rain, mainly after 7am. High near 51. Chance of precipitation is 100%.

    High: 51 °F

    Rain

  • Monday Night

    Monday Night: Rain. Low around 41. Chance of precipitation is 100%.

    Low: 41 °F

    Rain

  • Tuesday

    Tuesday: Rain likely, mainly before 9am. Partly sunny, with a high near 48. Chance of precipitation is 60%.

    High: 48 °F

    Rain Likely
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

Detailed Forecast

Tonight
Snow likely before 2am, then snow, possibly mixed with rain. Low around 33. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.
Saturday
A slight chance of rain before 7am, then a chance of rain after 8am. Partly sunny, with a high near 44. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly clear, with a low around 27. West wind 10 to 15 mph, with gusts as high as 35 mph.
Sunday
Mostly sunny, with a high near 40. Northwest wind around 5 mph becoming south in the afternoon.
Sunday Night
Mostly cloudy, with a low around 33. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Rain, mainly after 7am. High near 51. Chance of precipitation is 100%.
Monday Night
Rain. Low around 41. Chance of precipitation is 100%.
Tuesday
Rain likely, mainly before 9am. Partly sunny, with a high near 48. Chance of precipitation is 60%.
Tuesday Night
Mostly clear, with a low around 21.
Wednesday
Sunny, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Mostly cloudy, with a high near 39.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Mostly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland ME
 43.66°N 70.27°W (Elev. 7 ft)
Last Update:
3:08 pm EDT Mar 13, 2026
Forecast Valid:
5pm EDT Mar 13, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation