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.

Fair

61°F

16°C

Humidity 90%
Wind Speed Calm
Barometer 29.80 in (1009.1 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 18 Jun 2:51 am EDT
Extended Forecast for

Portland International Jetport ME

  • Overnight

    Overnight: Mostly cloudy, with a low around 56. South wind around 5 mph.

    Low: 56 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 2pm. Some of the storms could be severe. Patchy fog after 8am. High near 71. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 71 °F

    Severe
    Thunderstorms
    and Patchy
    Fog

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 8pm, then a slight chance of showers between 8pm and 9pm. Some of the storms could be severe. Mostly cloudy, then gradually becoming mostly clear, with a low around 59. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Severe
    Thunderstorms
    then Mostly
    Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 81. West wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers after 2pm. Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 56. South wind around 5 mph.
Thursday
Showers, with thunderstorms also possible after 2pm. Some of the storms could be severe. Patchy fog after 8am. High near 71. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and thunderstorms likely before 8pm, then a slight chance of showers between 8pm and 9pm. Some of the storms could be severe. Mostly cloudy, then gradually becoming mostly clear, with a low around 59. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Sunny, with a high near 81. West wind 10 to 15 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 59. West wind around 10 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
A 40 percent chance of showers after 2pm. Partly sunny, with a high near 76.
Sunday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 55.
Monday
A 40 percent chance of showers after 8am. Partly sunny, with a high near 73.
Monday Night
Showers likely. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Portland International Jetport ME
 43.65°N 70.3°W (Elev. 52 ft)
Last Update:
2:23 am EDT Jun 18, 2026
Forecast Valid:
3am EDT Jun 18, 2026-6pm EDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation