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

Hazardous Weather Conditions

Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

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

Overcast

43°F

6°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 17 Apr 06:00 AM PDT
Extended Forecast for

Gresham OR

Frost Advisory until April 17, 09:00am
Click here for hazard details and duration
...
  •  
    Frost Advisory until April 17, 09:00am

    NOW until 9:00am Fri

    Frost Advisory

  • Today

    High: 60 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. North northwest wind around 5 mph becoming light and variable.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 70. East wind 3 to 5 mph.

    High: 70 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50. West wind around 6 mph becoming light and variable.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 72. East wind 5 to 7 mph becoming west in the afternoon.

    High: 72 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after 11am. Mostly cloudy, with a high near 71.

    High: 71 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A chance of rain. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance Rain

Detailed Forecast

Today
Increasing clouds, with a high near 60. Calm wind becoming north around 6 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 42. North northwest wind around 5 mph becoming light and variable.
Saturday
Partly sunny, with a high near 70. East wind 3 to 5 mph.
Saturday Night
Mostly cloudy, with a low around 50. West wind around 6 mph becoming light and variable.
Sunday
Mostly cloudy, with a high near 72. East wind 5 to 7 mph becoming west in the afternoon.
Sunday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 49.
Monday
A 20 percent chance of showers after 11am. Mostly cloudy, with a high near 71.
Monday Night
A chance of rain. Mostly cloudy, with a low around 50.
Tuesday
A chance of rain. Mostly cloudy, with a high near 64.
Tuesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 48.
Wednesday
A chance of rain. Mostly cloudy, with a high near 58.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 44.
Thursday
A slight chance of rain. Partly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gresham OR
 45.51°N 122.45°W (Elev. 299 ft)
Last Update:
5:41 am PDT Apr 17, 2026
Forecast Valid:
6am PDT Apr 17, 2026-6pm PDT Apr 23, 2026
 
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