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.

A Few Clouds

26°F

-3°C

Humidity 44%
Wind Speed W 10 G 22 mph
Barometer 30.03 in (1017.1 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 23 Jan 9:51 am EST
Extended Forecast for

Riverton ME

Winter Storm Watch January 25, 01:00pm until January 26, 07:00pm
Cold Weather Advisory January 24, 01:00am until January 24, 10:00am
Click here for hazard details and duration
Winter Storm Watch
Cold Weather Advisory

  • Today

    Today: A 30 percent chance of snow showers, mainly after 5pm. Mostly sunny, with a high near 29. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 29 °F

    Mostly Sunny
    then Chance
    Snow Showers
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around -2. Wind chill values as low as -15. West wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: -2 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 11. Wind chill values as low as -17. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 11 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -5. Northwest wind 5 to 10 mph becoming light in the evening.

    Low: -5 °F

    Partly Cloudy

  • Sunday

    Sunday: Snow likely, mainly after 5pm. Mostly cloudy, with a high near 16. Calm wind becoming north around 5 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 16 °F

    Mostly Cloudy
    then Snow
    Likely

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times. Low around 7. Chance of precipitation is 100%.

    Low: 7 °F

    Heavy Snow

  • Monday

    Monday: Snow. High near 17. Chance of precipitation is 90%.

    High: 17 °F

    Snow

  • Monday Night

    Monday Night: Snow likely, mainly before 7pm. Mostly cloudy, with a low around 2. Chance of precipitation is 60%.

    Low: 2 °F

    Snow Likely
    then Chance
    Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 20.

    High: 20 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of snow showers, mainly after 5pm. Mostly sunny, with a high near 29. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around -2. Wind chill values as low as -15. West wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday
Sunny, with a high near 11. Wind chill values as low as -17. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around -5. Northwest wind 5 to 10 mph becoming light in the evening.
Sunday
Snow likely, mainly after 5pm. Mostly cloudy, with a high near 16. Calm wind becoming north around 5 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
Snow. The snow could be heavy at times. Low around 7. Chance of precipitation is 100%.
Monday
Snow. High near 17. Chance of precipitation is 90%.
Monday Night
Snow likely, mainly before 7pm. Mostly cloudy, with a low around 2. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 20.
Tuesday Night
Partly cloudy, with a low around 3.
Wednesday
Sunny, with a high near 23.
Wednesday Night
Mostly clear, with a low around 0.
Thursday
Partly sunny, with a high near 20.
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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:
6:56 am EST Jan 23, 2026
Forecast Valid:
10am EST Jan 23, 2026-6pm EST Jan 29, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation