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

54°F

12°C

Humidity 81%
Wind Speed SSE 3 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 21 May 01:00 AM PDT
Extended Forecast for

4 Miles NNE Happy Valley OR

  • Overnight

    Overnight: Mostly clear, with a low around 50. Light north northwest wind.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Northeast wind 5 to 13 mph, with gusts as high as 21 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. North wind 9 to 14 mph becoming light northwest after midnight. Winds could gust as high as 22 mph.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79. Light north northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53. Breezy, with a north northwest wind 5 to 15 mph, with gusts as high as 22 mph.

    Low: 53 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50. Breezy.

    Low: 50 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 50. Light north northwest wind.
Thursday
Sunny, with a high near 81. Northeast wind 5 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 53. North wind 9 to 14 mph becoming light northwest after midnight. Winds could gust as high as 22 mph.
Friday
Sunny, with a high near 79. Light north northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
Mostly clear, with a low around 53. Breezy, with a north northwest wind 5 to 15 mph, with gusts as high as 22 mph.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 50. Breezy.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
Mostly cloudy, with a low around 50.
Memorial Day
Rain likely, mainly after 11am. Mostly cloudy, with a high near 61. Breezy.
Monday Night
Rain likely. Mostly cloudy, with a low around 46. Breezy.
Tuesday
A chance of rain and thunderstorms. Partly sunny, with a high near 65.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 48.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Happy Valley OR
 45.49°N 122.5°W (Elev. 587 ft)
Last Update:
12:41 am PDT May 21, 2026
Forecast Valid:
1am PDT May 21, 2026-6pm PDT May 27, 2026
 
Forecast Discussion
 
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Additional Resources

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