Tropical Storm Isaias to Impact the Eastern U.S. Early This Week

Tropical Storm Isaias will deliver heavy rainfall, flash and urban flooding, high winds, dangerous storm surge, coastal flooding, life-threatening surf, rip currents, and severe thunderstorms with tornadoes to portions of the Eastern U.S. through early this week. Isaias is expected to track from just offshore of northeastern Florida toward coastal South and North Carolina on Monday. Read More >

Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Mostly Cloudy

85°F

29°C

Humidity 61%
Wind Speed SW 15 G 22 mph
Barometer 29.85 in (1010.7 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 3 Aug 8:51 am EDT
Extended Forecast for

Portland ME

Tropical Storm Watch until further notice
Click here for hazard details and duration
Tropical Storm Watch until further notice
  •  
    Tropical Storm Watch until further notice

    NOW until further notice

    Tropical Storm Watch

  • Today

    Today: Mostly sunny, with a high near 85. West wind 10 to 15 mph.

    Mostly Sunny

    High: 85 °F

  • Tonight

    Tonight: Mostly clear, with a low around 68. West wind around 5 mph becoming calm  in the evening.

    Mostly Clear

    Low: 68 °F

  • Tuesday

    Tuesday: A chance of showers between 9am and 4pm, then a chance of showers and thunderstorms after 4pm.  Mostly cloudy, with a high near 76. East wind around 5 mph.  Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers then
    Chance
    T-storms

    High: 76 °F

  • Tuesday
    Night

    Tuesday Night: Tropical storm conditions possible. Showers and thunderstorms likely before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Some of the storms could produce heavy rainfall.  Low around 70. Chance of precipitation is 80%.

    Tropical
    Storm
    Conditions
    Possible

    Low: 70 °F

  • Wednesday

    Wednesday: Showers likely, mainly before 7am. The rain could be heavy at times.  Mostly sunny, with a high near 79. Southwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.

    Heavy Rain
    then Chance
    Showers

    High: 79 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 64.

    Mostly Clear

    Low: 64 °F

  • Thursday

    Thursday: Sunny, with a high near 75.

    Sunny

    High: 75 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 63.

    Mostly Clear

    Low: 63 °F

Detailed Forecast

Today
Mostly sunny, with a high near 85. West wind 10 to 15 mph.
Tonight
Mostly clear, with a low around 68. West wind around 5 mph becoming calm in the evening.
Tuesday
A chance of showers between 9am and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 76. East wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Tropical storm conditions possible. Showers and thunderstorms likely before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Some of the storms could produce heavy rainfall. Low around 70. Chance of precipitation is 80%.
Wednesday
Showers likely, mainly before 7am. The rain could be heavy at times. Mostly sunny, with a high near 79. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny, with a high near 77.
Click Map For Forecast
Point Forecast:
Portland ME
 43.66°N 70.27°W (Elev. 7 ft)
6:41 am EDT Aug 3, 2020
9am EDT Aug 3, 2020-6pm EDT Aug 9, 2020
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database