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

88°F

31°C

Humidity 25%
Wind Speed W 4 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 31 Jul 04:20 PM PDT
Extended Forecast for

3 Miles SW Gresham OR

  • Tonight

    Tonight: Increasing clouds, with a low around 59. Northwest wind around 6 mph becoming light and variable after midnight.

    Low: 59 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A slight chance of rain between 1pm and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 75. South wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 75 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53. Northwest wind 5 to 10 mph becoming light west northwest after midnight. Winds could gust as high as 18 mph.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 76. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 76 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52. North northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 18 mph.

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 59. Northwest wind around 6 mph becoming light and variable after midnight.
Saturday
A slight chance of rain between 1pm and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 75. South wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 53. Northwest wind 5 to 10 mph becoming light west northwest after midnight. Winds could gust as high as 18 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 76. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 52. North northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 18 mph.
Monday
Sunny, with a high near 86.
Monday Night
Clear, with a low around 56.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Gresham OR
 45.49°N 122.47°W (Elev. 400 ft)
Last Update:
4:41 pm PDT Jul 31, 2026
Forecast Valid:
4pm PDT Jul 31, 2026-6pm PDT Aug 7, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation