National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

Lat: 45.55111°NLon: 122.40889°WElev: 36.0ft.

Clear

40°F

4°C

Humidity 54%
Wind Speed E 19 MPH
Barometer 30.4 in (1029.46 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 29 Dec 10:53 PM PST
Extended Forecast for

Gresham OR

  • Tonight

    Tonight: Partly cloudy, with a low around 34. Breezy, with an east northeast wind 15 to 17 mph, with gusts as high as 32 mph.

    Low: 34 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 46. Breezy, with an east northeast wind 13 to 17 mph, with gusts as high as 36 mph.

    High: 46 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Areas of frost before 2am, then areas of frost after 3am. Otherwise, mostly clear, with a low around 34. East northeast wind 8 to 10 mph.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Wednesday

    Wednesday: Partly sunny, with a high near 48. East northeast wind 6 to 8 mph.

    High: 48 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37. East wind around 6 mph.

    Low: 37 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Rain likely, mainly after 4pm. Cloudy, with a high near 45. Chance of precipitation is 60%.

    High: 45 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain. Low around 40. Chance of precipitation is 80%.

    Low: 40 °F

    Rain

  • Friday

    Friday: Rain. Cloudy, with a high near 49.

    High: 49 °F

    Rain

  • Friday Night

    Friday Night: Rain likely. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Rain Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 34. Breezy, with an east northeast wind 15 to 17 mph, with gusts as high as 32 mph.
Tuesday
Sunny, with a high near 46. Breezy, with an east northeast wind 13 to 17 mph, with gusts as high as 36 mph.
Tuesday Night
Areas of frost before 2am, then areas of frost after 3am. Otherwise, mostly clear, with a low around 34. East northeast wind 8 to 10 mph.
Wednesday
Partly sunny, with a high near 48. East northeast wind 6 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 37. East wind around 6 mph.
New Year's Day
Rain likely, mainly after 4pm. Cloudy, with a high near 45. Chance of precipitation is 60%.
Thursday Night
Rain. Low around 40. Chance of precipitation is 80%.
Friday
Rain. Cloudy, with a high near 49.
Friday Night
Rain likely. Mostly cloudy, with a low around 41.
Saturday
Rain likely. Mostly cloudy, with a high near 48.
Saturday Night
Rain likely. Mostly cloudy, with a low around 41.
Sunday
Rain likely. Cloudy, with a high near 49.
Sunday Night
Rain likely. Mostly cloudy, with a low around 41.
Monday
Rain likely. Mostly cloudy, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gresham OR
 45.5°N 122.41°W (Elev. 390 ft)
Last Update:
10:45 pm PST Dec 29, 2025
Forecast Valid:
11pm PST Dec 29, 2025-6pm PST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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