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.

Mostly Cloudy

77°F

25°C

Humidity 47%
Wind Speed SW 11 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 01 Aug 02:20 PM PDT
Extended Forecast for

3 Miles WNW Multnomah Falls OR

  • This Afternoon

    This Afternoon: A 50 percent chance of rain, mainly before 3pm. Partly sunny, with a high near 71. West wind around 11 mph, with gusts as high as 22 mph.

    High: 71 °F

    Chance Rain

  • Tonight

    Tonight: Mostly clear, with a low around 51. West northwest wind 6 to 11 mph becoming light west southwest after midnight. Winds could gust as high as 21 mph.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 72. West southwest wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 72 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50. West northwest wind 5 to 10 mph becoming light and variable. Winds could gust as high as 20 mph.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84. Northeast wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 58. Breezy.

    Low: 58 °F

    Clear then
    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 92. Breezy.

    High: 92 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of rain, mainly before 3pm. Partly sunny, with a high near 71. West wind around 11 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 51. West northwest wind 6 to 11 mph becoming light west southwest after midnight. Winds could gust as high as 21 mph.
Sunday
Mostly sunny, with a high near 72. West southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 50. West northwest wind 5 to 10 mph becoming light and variable. Winds could gust as high as 20 mph.
Monday
Sunny, with a high near 84. Northeast wind 6 to 11 mph, with gusts as high as 20 mph.
Monday Night
Clear, with a low around 58. Breezy.
Tuesday
Sunny, with a high near 92. Breezy.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Clear, with a low around 58.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Multnomah Falls OR
 45.59°N 122.19°W (Elev. 801 ft)
Last Update:
2:01 pm PDT Aug 1, 2026
Forecast Valid:
2pm PDT Aug 1, 2026-6pm PDT Aug 7, 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