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

Portland, Portland-Troutdale Airport (KTTD)

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

Overcast

70°F

21°C

Humidity 77%
Wind Speed N 0 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 23 Jul 03:00 AM PDT
Extended Forecast for

4 Miles N Troutdale OR

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a steady temperature around 66. South wind around 6 mph.

    Low: 66 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 85. Light and variable wind becoming northwest 5 to 7 mph in the afternoon.

    High: 85 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. Northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87. Calm wind becoming west around 6 mph in the afternoon.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. West northwest wind 7 to 11 mph becoming south after midnight. Winds could gust as high as 21 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a steady temperature around 66. South wind around 6 mph.
Thursday
A 20 percent chance of showers and thunderstorms before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 85. Light and variable wind becoming northwest 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 59. Northwest wind 5 to 8 mph becoming calm after midnight.
Friday
Sunny, with a high near 87. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 57. West northwest wind 7 to 11 mph becoming south after midnight. Winds could gust as high as 21 mph.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Partly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Troutdale OR
 45.61°N 122.41°W (Elev. 200 ft)
Last Update:
2:41 am PDT Jul 23, 2026
Forecast Valid:
3am PDT Jul 23, 2026-6pm PDT Jul 29, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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