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

30°F

-1°C

Humidity 79%
Wind Speed NE 14 mph
Barometer 29.96 in (1014.6 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 22 Feb 11:51 pm EST
Extended Forecast for

South Harpswell ME

Blizzard Warning February 23, 07:00am until February 23, 10:00pm
Click here for hazard details and duration
Blizzard Warning

  • Overnight

    Overnight: A 30 percent chance of snow, mainly after 3am. Cloudy, with a low around 22. Windy, with a northeast wind 20 to 30 mph, with gusts as high as 35 mph.

    Low: 22 °F

    Chance Snow
    and Windy

  • Monday

    Monday: Snow, mainly after 8am. High near 28. Windy, with a north wind 30 to 35 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 28 °F

    Snow and
    Windy

  • Monday Night

    Monday Night: Snow likely before midnight, then a slight chance of snow showers between midnight and 1am. Mostly cloudy, with a low around 23. Windy, with a north wind 25 to 35 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 23 °F

    Windy. Snow
    Likely then
    Slight Chance
    Snow Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 29. Blustery, with a northwest wind 15 to 25 mph, with gusts as high as 30 mph.

    High: 29 °F

    Mostly Sunny
    and Blustery
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 15. Northwest wind 5 to 10 mph.

    Low: 15 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow. High near 34. Chance of precipitation is 80%.

    High: 34 °F

    Snow

  • Wednesday Night

    Wednesday Night: Rain and snow likely before 8pm, then a chance of snow between 8pm and 11pm. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.

    Low: 24 °F

    Rain/Snow
    Likely then
    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow after 3pm. Partly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Snow likely before 10pm, then rain and snow likely. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.

    Low: 27 °F

    Rain/Snow
    Likely

Detailed Forecast

Overnight
A 30 percent chance of snow, mainly after 3am. Cloudy, with a low around 22. Windy, with a northeast wind 20 to 30 mph, with gusts as high as 35 mph.
Monday
Snow, mainly after 8am. High near 28. Windy, with a north wind 30 to 35 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Monday Night
Snow likely before midnight, then a slight chance of snow showers between midnight and 1am. Mostly cloudy, with a low around 23. Windy, with a north wind 25 to 35 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Tuesday
Mostly sunny, with a high near 29. Blustery, with a northwest wind 15 to 25 mph, with gusts as high as 30 mph.
Tuesday Night
Partly cloudy, with a low around 15. Northwest wind 5 to 10 mph.
Wednesday
Snow. High near 34. Chance of precipitation is 80%.
Wednesday Night
Rain and snow likely before 8pm, then a chance of snow between 8pm and 11pm. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.
Thursday
A 30 percent chance of snow after 3pm. Partly sunny, with a high near 37.
Thursday Night
Snow likely before 10pm, then rain and snow likely. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.
Friday
A chance of rain and snow before noon. Partly sunny, with a high near 38. Chance of precipitation is 50%.
Friday Night
Mostly clear, with a low around 23.
Saturday
Mostly sunny, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Partly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Harpswell ME
 43.74°N 70°W (Elev. 0 ft)
Last Update:
5:50 pm EST Feb 22, 2026
Forecast Valid:
12am EST Feb 23, 2026-6pm EST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

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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