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

63°F

17°C

Humidity 63%
Wind Speed NW 4 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 29 Aug 01:20 AM PDT
Extended Forecast for

Gresham OR

  • Overnight

    Overnight: Mostly cloudy, with a low around 55. West northwest wind around 6 mph becoming light and variable.

    Low: 55 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain before 3pm, then a slight chance of rain after 4pm. Partly sunny, with a high near 72. South southwest wind around 7 mph becoming west northwest in the afternoon. Chance of precipitation is 40%.

    High: 72 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 50. Northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 50 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 73. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 73 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain after 11am. Mostly cloudy, with a high near 75.

    High: 75 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 55. West northwest wind around 6 mph becoming light and variable.
Saturday
A chance of rain before 3pm, then a slight chance of rain after 4pm. Partly sunny, with a high near 72. South southwest wind around 7 mph becoming west northwest in the afternoon. Chance of precipitation is 40%.
Saturday Night
Increasing clouds, with a low around 50. Northwest wind 5 to 8 mph becoming calm in the evening.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 73. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 52. North northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 82.
Monday Night
Mostly cloudy, with a low around 56.
Tuesday
A slight chance of rain after 11am. Mostly cloudy, with a high near 75.
Tuesday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 55.
Wednesday
Rain likely, mainly after 11am. Cloudy, with a high near 65.
Wednesday Night
Rain. Mostly cloudy, with a low around 54.
Thursday
Rain likely. Mostly cloudy, with a high near 67.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 52.
Friday
A chance of rain. Partly sunny, with a high near 71.
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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:
12:41 am PDT Aug 29, 2026
Forecast Valid:
1am PDT Aug 29, 2026-6pm PDT Sep 4, 2026
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation