National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

Lat: 45.55111°NLon: 122.40889°WElev: 36.0ft.

Mostly Cloudy

48°F

9°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 18 Mar 02:35 AM PDT
Extended Forecast for

3 Miles N Troutdale OR

  • Overnight

    Overnight: Partly cloudy, with a low around 47. Light east southeast wind.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 68. Light and variable wind becoming south southwest 5 to 7 mph in the morning.

    High: 68 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 51. Light east southeast wind.

    Low: 51 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Mostly cloudy, with a high near 65. Light and variable wind becoming south southwest around 6 mph in the morning.

    High: 65 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 53. South southeast wind around 6 mph.

    Low: 53 °F

    Chance Rain

  • Friday

    Friday: Rain, mainly after 11am. High near 62. Chance of precipitation is 80%.

    High: 62 °F

    Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.

    Low: 41 °F

    Rain Likely
    then Chance
    Rain

  • Saturday

    Saturday: A chance of rain before 11am. Snow level 2700 feet lowering to 2100 feet. Mostly sunny, with a high near 54.

    High: 54 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 47. Light east southeast wind.
Wednesday
Partly sunny, with a high near 68. Light and variable wind becoming south southwest 5 to 7 mph in the morning.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 51. Light east southeast wind.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 65. Light and variable wind becoming south southwest around 6 mph in the morning.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 53. South southeast wind around 6 mph.
Friday
Rain, mainly after 11am. High near 62. Chance of precipitation is 80%.
Friday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.
Saturday
A chance of rain before 11am. Snow level 2700 feet lowering to 2100 feet. Mostly sunny, with a high near 54.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Sunny, with a high near 57.
Sunday Night
Increasing clouds, with a low around 36.
Monday
A slight chance of rain. Mostly cloudy, with a high near 58.
Monday Night
A chance of rain. Mostly cloudy, with a low around 42.
Tuesday
Rain. Cloudy, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Troutdale OR
 45.61°N 122.41°W (Elev. 200 ft)
Last Update:
2:41 am PDT Mar 18, 2026
Forecast Valid:
2am PDT Mar 18, 2026-6pm PDT Mar 24, 2026
 
Forecast Discussion
 
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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