National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Light Drizzle

42°F

6°C

Humidity 100%
Wind Speed E 8 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 42°F (6°C)
Visibility 2.00 mi
Wind Chill37°F (3°C)
Last update 18 Apr 10:51 pm EDT
Extended Forecast for

Portland International Jetport ME

  • Tonight

    Tonight: Patchy fog. Otherwise, cloudy, with a low around 40. Southeast wind around 5 mph.

    Low: 40 °F

    Patchy Fog

  • Sunday

    Sunday: Rain, mainly after 10am. Areas of fog before 3pm. High near 47. South wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Rain and
    Areas Fog

  • Sunday Night

    Sunday Night: Rain likely, possibly mixing with snow after 10pm, then gradually ending. Cloudy during the early evening, then gradual clearing, with a low around 32. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 32 °F

    Rain/Snow
    Likely then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 48. West wind 5 to 10 mph.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 27. North wind around 5 mph.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog. Otherwise, cloudy, with a low around 40. Southeast wind around 5 mph.
Sunday
Rain, mainly after 10am. Areas of fog before 3pm. High near 47. South wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain likely, possibly mixing with snow after 10pm, then gradually ending. Cloudy during the early evening, then gradual clearing, with a low around 32. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday
Mostly sunny, with a high near 48. West wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 27. North wind around 5 mph.
Tuesday
Sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Mostly cloudy, with a high near 50.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Partly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 54.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 54.
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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:
6:37 pm EDT Apr 18, 2026
Forecast Valid:
11pm EDT Apr 18, 2026-6pm EDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation