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

31°F

-1°C

Humidity 67%
Wind Speed SW 8 mph
Barometer 29.98 in (1015.2 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 13 Jan 1:51 am EST
Extended Forecast for

Portland International Jetport ME

  • Overnight

    Overnight: Mostly cloudy, with a low around 29. Southwest wind around 10 mph, with gusts as high as 25 mph.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 42. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 42 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow showers before midnight, then a chance of rain showers between midnight and 4am. Cloudy, with a low around 35. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Slight Chance
    Rain/Snow
    then Chance
    Showers

  • Wednesday

    Wednesday: Cloudy, with a high near 44. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 44 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after midnight. Cloudy, with a low around 32. South wind around 5 mph becoming calm. Chance of precipitation is 60%.

    Low: 32 °F

    Rain Likely

  • Thursday

    Thursday: A 40 percent chance of rain before 11am. Mostly cloudy, with a high near 40.

    High: 40 °F

    Chance Rain
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 27.

    High: 27 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 29. Southwest wind around 10 mph, with gusts as high as 25 mph.
Tuesday
Increasing clouds, with a high near 42. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
A slight chance of rain and snow showers before midnight, then a chance of rain showers between midnight and 4am. Cloudy, with a low around 35. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Cloudy, with a high near 44. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Rain likely, mainly after midnight. Cloudy, with a low around 32. South wind around 5 mph becoming calm. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain before 11am. Mostly cloudy, with a high near 40.
Thursday Night
Partly cloudy, with a low around 12.
Friday
Sunny, with a high near 27.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
Mostly sunny, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 36.
Sunday Night
Mostly cloudy, with a low around 19.
M.L.King Day
Mostly sunny, with a high near 29.
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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:
12:24 am EST Jan 13, 2026
Forecast Valid:
2am EST Jan 13, 2026-6pm EST Jan 19, 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