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.

Overcast

50°F

10°C

Humidity 77%
Wind Speed NE 13 G 23 mph
Barometer 30.29 in (1025.8 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 13 Oct 8:51 am EDT
Extended Forecast for

Riverton ME

High Surf Advisory until October 14, 08:00pm
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory until October 14, 08:00pm

    NOW until 8:00pm Tue

    High Surf Advisory

  • Columbus Day

    High: 53 °F

    Showers
    Likely and
    Breezy

  • Tonight

    Tonight: A 40 percent chance of showers. Cloudy, with a low around 44. Northeast wind around 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly between 8am and noon. Mostly cloudy, with a high near 62. North wind 5 to 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 43. North wind around 5 mph becoming calm.

    Low: 43 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64. North wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 64 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Columbus Day
Showers likely, mainly after 4pm. Cloudy, with a high near 53. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
A 40 percent chance of showers. Cloudy, with a low around 44. Northeast wind around 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 30 percent chance of showers, mainly between 8am and noon. Mostly cloudy, with a high near 62. North wind 5 to 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 43. North wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 64. North wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 38.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 66.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Riverton ME
 43.69°N 70.32°W (Elev. 75 ft)
Last Update:
6:27 am EDT Oct 13, 2025
Forecast Valid:
8am EDT Oct 13, 2025-6pm EDT Oct 19, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation