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

66°F

19°C

Humidity 68%
Wind Speed E 5 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 22 Aug 12:20 PM PDT
Extended Forecast for

Gresham OR

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 79. Southwest wind around 8 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers between 1am and 4am. Increasing clouds, with a low around 60. South southwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 60 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 78. South southwest wind 5 to 7 mph becoming light and variable.

    High: 78 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. North northeast wind 3 to 6 mph.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90. North northeast wind 3 to 8 mph.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Tuesday Night

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

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 79. Southwest wind around 8 mph.
Tonight
A slight chance of showers between 1am and 4am. Increasing clouds, with a low around 60. South southwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 78. South southwest wind 5 to 7 mph becoming light and variable.
Sunday Night
Mostly clear, with a low around 56. North northeast wind 3 to 6 mph.
Monday
Sunny, with a high near 90. North northeast wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Partly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Partly sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 54.
Friday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gresham OR
 45.49°N 122.44°W (Elev. 397 ft)
Last Update:
11:41 am PDT Aug 22, 2026
Forecast Valid:
12pm PDT Aug 22, 2026-6pm PDT Aug 28, 2026
 
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Additional Resources

Radar & Satellite Image

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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