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

39°F

4°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 18 Nov 07:00 AM PST
Extended Forecast for

Gresham OR

  • Today

    Today: A 20 percent chance of rain between noon and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 50. Calm wind.

    High: 50 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Patchy frost after 4am. Otherwise, partly cloudy, with a low around 36. Calm wind becoming north northeast around 5 mph after midnight.

    Low: 36 °F

    Partly Cloudy
    then Patchy
    Frost

  • Wednesday

    Wednesday: Areas of frost before 7am. Otherwise, mostly sunny, with a high near 54. East wind 6 to 8 mph.

    High: 54 °F

    Areas Frost
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 42. East wind around 10 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Partly sunny, with a high near 55. East wind around 7 mph.

    High: 55 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of rain. Partly sunny, with a high near 53.

    High: 53 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: A slight chance of rain. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A chance of rain. Mostly cloudy, with a high near 54.

    High: 54 °F

    Chance Rain

Detailed Forecast

Today
A 20 percent chance of rain between noon and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 50. Calm wind.
Tonight
Patchy frost after 4am. Otherwise, partly cloudy, with a low around 36. Calm wind becoming north northeast around 5 mph after midnight.
Wednesday
Areas of frost before 7am. Otherwise, mostly sunny, with a high near 54. East wind 6 to 8 mph.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 42. East wind around 10 mph, with gusts as high as 20 mph.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 55. East wind around 7 mph.
Thursday Night
Partly cloudy, with a low around 41.
Friday
A 20 percent chance of rain. Partly sunny, with a high near 53.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 44.
Saturday
A chance of rain. Mostly cloudy, with a high near 54.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 44.
Sunday
Rain likely. Mostly cloudy, with a high near 53.
Sunday Night
Rain likely. Mostly cloudy, with a low around 43.
Monday
Rain likely. Mostly cloudy, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gresham OR
 45.51°N 122.45°W (Elev. 299 ft)
Last Update:
6:41 am PST Nov 18, 2025
Forecast Valid:
7am PST Nov 18, 2025-6pm PST Nov 24, 2025
 
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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