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.

Clear

64°F

18°C

Humidity 45%
Wind Speed WSW 6 MPH
Barometer 29.74 in (1007.11 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 20 Apr 11:55 AM PDT
Extended Forecast for

2 Miles WNW Multnomah Falls OR

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm, mainly after 5pm. Mostly sunny, with a high near 75. East wind 8 to 14 mph becoming west. Winds could gust as high as 22 mph. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 49. West wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, mainly before 4pm. Mostly cloudy, with a high near 57. West wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Rain. Low around 45. West wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Rain

  • Wednesday

    Wednesday: Rain before 11am, then showers after 11am. High near 52. Breezy, with a west wind 14 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 44. Breezy. Chance of precipitation is 60%.

    Low: 44 °F

    Showers
    Likely and
    Breezy then
    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 62.

    High: 62 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 70. Breezy.

    High: 70 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm, mainly after 5pm. Mostly sunny, with a high near 75. East wind 8 to 14 mph becoming west. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Tonight
A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 49. West wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely, mainly before 4pm. Mostly cloudy, with a high near 57. West wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain. Low around 45. West wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain before 11am, then showers after 11am. High near 52. Breezy, with a west wind 14 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 44. Breezy. Chance of precipitation is 60%.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 70. Breezy.
Friday Night
Mostly clear, with a low around 46. Breezy.
Saturday
Sunny, with a high near 70. Breezy.
Saturday Night
Mostly clear, with a low around 46. Breezy.
Sunday
Sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Multnomah Falls OR
 45.6°N 122.16°W (Elev. 702 ft)
Last Update:
11:41 am PDT Apr 20, 2026
Forecast Valid:
12pm PDT Apr 20, 2026-6pm PDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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