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

82°F

28°C

Humidity 34%
Wind Speed W 4 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 17 Aug 07:15 PM PDT
Extended Forecast for

Gresham OR

  • Tonight

    Tonight: Partly cloudy, with a low around 57. Northwest wind around 5 mph becoming calm after midnight.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 83. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 83 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 56. North northwest wind 3 to 7 mph.

    Low: 56 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 82. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 82 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. Northwest wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 59.

    Low: 59 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of rain before 11pm. Partly cloudy, with a low around 58.

    Low: 58 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. Northwest wind around 5 mph becoming calm after midnight.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 83. Calm wind becoming northwest around 6 mph in the afternoon.
Tuesday Night
Increasing clouds, with a low around 56. North northwest wind 3 to 7 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 82. Calm wind becoming northwest around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 57. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 86.
Thursday Night
Increasing clouds, with a low around 59.
Friday
Partly sunny, with a high near 81.
Friday Night
A slight chance of rain before 11pm. Partly cloudy, with a low around 58.
Saturday
Mostly cloudy, with a high near 76.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Partly sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 57.
Monday
Mostly sunny, with a high near 82.
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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:
6:41 pm PDT Aug 17, 2026
Forecast Valid:
7pm PDT Aug 17, 2026-6pm PDT Aug 24, 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