Storms in the East; Monsoons and Fire Weather Out West

A slow moving frontal system will bring strong to severe storms, and, locally heavy rain from the Plains to the Northeast. Monsoon moisture shifts to the east into portions of the southern Plains and may produce excessive rains across portions of the High Plains and desert southwest. Fire Weather threats remain elevated to critical with isolated dry thunderstorms in the Intermountain West. Read More >

Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Fair

65°F

18°C

Humidity 87%
Wind Speed N 3 mph
Barometer 30.08 in (1018.5 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 16 Aug 10:51 pm EDT
Extended Forecast for

Portland International Jetport ME

  • Tonight

    Tonight: Patchy fog.  Otherwise, mostly clear, with a low around 60. North wind around 5 mph.

    Patchy Fog

    Low: 60 °F

  • Friday

    Friday: A chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Some of the storms could produce gusty winds and heavy rain.  Patchy fog before 9am.  Otherwise, increasing clouds, with a high near 72. Northeast wind 5 to 10 mph becoming southeast in the afternoon.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Patchy Fog
    then Heavy
    Rain

    High: 72 °F

  • Friday
    Night

    Friday Night: Showers and thunderstorms likely, mainly after 7pm. Some of the storms could produce gusty winds and heavy rain.  Cloudy, with a low around 66. Southeast wind 5 to 10 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain

    Low: 66 °F

  • Saturday

    Saturday: Showers likely, mainly between 8am and 2pm.  Mostly cloudy, with a high near 75. West wind 5 to 10 mph becoming north in the afternoon.  Chance of precipitation is 60%.

    Showers
    Likely

    High: 75 °F

  • Saturday
    Night

    Saturday Night: A 30 percent chance of showers before 11pm.  Mostly cloudy, with a low around 61. North wind 5 to 10 mph.

    Chance
    Showers then
    Mostly Cloudy

    Low: 61 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 73.

    Mostly Sunny

    High: 73 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 59.

    Partly Cloudy

    Low: 59 °F

  • Monday

    Monday: Mostly sunny, with a high near 72.

    Mostly Sunny

    High: 72 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 58.

    Partly Cloudy

    Low: 58 °F

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly clear, with a low around 60. North wind around 5 mph.
Friday
A chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Some of the storms could produce gusty winds and heavy rain. Patchy fog before 9am. Otherwise, increasing clouds, with a high near 72. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely, mainly after 7pm. Some of the storms could produce gusty winds and heavy rain. Cloudy, with a low around 66. Southeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 75. West wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of showers before 11pm. Mostly cloudy, with a low around 61. North wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 62.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 76.
Click Map For Forecast
Point Forecast:
Portland International Jetport ME
 43.65°N 70.3°W (Elev. 52 ft)
5:35 pm EDT Aug 16, 2018
11pm EDT Aug 16, 2018-6pm EDT Aug 23, 2018
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database