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.

Rain

64°F

18°C

Humidity 44%
Wind Speed WSW 10 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 25 May 01:53 PM PDT
Extended Forecast for

Gresham OR

  • Memorial Day

    Memorial Day: Rain, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. High near 66. Southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 66 °F

    Showers

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 4am. Mostly cloudy, with a low around 47. South wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    Low: 47 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers before 1pm, then a chance of showers after 3pm. Partly sunny, with a high near 65. South southwest wind 5 to 9 mph becoming north northwest in the afternoon. Chance of precipitation is 30%.

    High: 65 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 10 percent chance of showers before 7pm. Increasing clouds, with a low around 49. North northwest wind 5 to 10 mph becoming light west northwest after midnight. Winds could gust as high as 21 mph.

    Low: 49 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 74. Southwest wind 3 to 5 mph.

    High: 74 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain before 11pm. Partly cloudy, with a low around 52.

    Low: 52 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

Detailed Forecast

Memorial Day
Rain, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. High near 66. Southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Tonight
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 4am. Mostly cloudy, with a low around 47. South wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Tuesday
A slight chance of showers before 1pm, then a chance of showers after 3pm. Partly sunny, with a high near 65. South southwest wind 5 to 9 mph becoming north northwest in the afternoon. Chance of precipitation is 30%.
Tuesday Night
A 10 percent chance of showers before 7pm. Increasing clouds, with a low around 49. North northwest wind 5 to 10 mph becoming light west northwest after midnight. Winds could gust as high as 21 mph.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 74. Southwest wind 3 to 5 mph.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
A slight chance of rain before 11pm. Partly cloudy, with a low around 52.
Friday
Mostly cloudy, with a high near 65.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
A slight chance of rain. Mostly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gresham OR
 45.49°N 122.44°W (Elev. 397 ft)
Last Update:
2:01 pm PDT May 25, 2026
Forecast Valid:
2pm PDT May 25, 2026-6pm PDT May 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation