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.

Mostly Cloudy

45°F

7°C

Humidity 76%
Wind Speed W 4 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 16 Apr 11:53 PM PDT
Extended Forecast for

2 Miles NNE Troutdale OR

Frost Advisory April 17, 01:00am until April 17, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Overnight

    Overnight: Partly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 61. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 61 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43. Light and variable wind.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 72. East wind 3 to 5 mph.

    High: 72 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51. Calm wind becoming east around 5 mph after midnight.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 74.

    High: 74 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers after 11am. Mostly cloudy, with a high near 73.

    High: 73 °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

Overnight
Partly cloudy, with a low around 37. Calm wind.
Friday
Increasing clouds, with a high near 61. Calm wind becoming northwest around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 43. Light and variable wind.
Saturday
Partly sunny, with a high near 72. East wind 3 to 5 mph.
Saturday Night
Mostly cloudy, with a low around 51. Calm wind becoming east around 5 mph after midnight.
Sunday
Mostly cloudy, with a high near 74.
Sunday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 50.
Monday
A slight chance of showers after 11am. Mostly cloudy, with a high near 73.
Monday Night
A chance of rain. Mostly cloudy, with a low around 50.
Tuesday
A chance of rain. Mostly cloudy, with a high near 65.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 48.
Wednesday
Rain likely. Mostly cloudy, with a high near 59.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 45.
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:
2 Miles NNE Troutdale OR
 45.57°N 122.37°W (Elev. 141 ft)
Last Update:
11:41 pm PDT Apr 16, 2026
Forecast Valid:
12am PDT Apr 17, 2026-6pm PDT Apr 23, 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