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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

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

Clear

54°F

12°C

Humidity 50%
Wind Speed W 6 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 21 Mar 02:20 PM PDT
Extended Forecast for

2 Miles NNE Troutdale OR

  • This Afternoon

    This Afternoon: Sunny, with a high near 55. West northwest wind around 8 mph.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Areas of frost after 3am. Otherwise, mostly clear, with a low around 34. Northwest wind around 6 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Sunday

    Sunday: Areas of frost before 9am. Otherwise, sunny, with a high near 60. Calm wind becoming northwest 5 to 9 mph in the afternoon.

    High: 60 °F

    Areas Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38. Northwest wind 5 to 9 mph becoming calm after midnight.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 58. Calm wind becoming west around 5 mph in the afternoon.

    High: 58 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers after 11pm. Cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Showers. High near 56. Breezy. Chance of precipitation is 100%.

    High: 56 °F

    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain, mainly before 11pm. Mostly cloudy, with a low around 44. Breezy.

    Low: 44 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: Rain. Mostly cloudy, with a high near 56. Breezy.

    High: 56 °F

    Rain and
    Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 55. West northwest wind around 8 mph.
Tonight
Areas of frost after 3am. Otherwise, mostly clear, with a low around 34. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Areas of frost before 9am. Otherwise, sunny, with a high near 60. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 38. Northwest wind 5 to 9 mph becoming calm after midnight.
Monday
Partly sunny, with a high near 58. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
A 50 percent chance of showers after 11pm. Cloudy, with a low around 46.
Tuesday
Showers. High near 56. Breezy. Chance of precipitation is 100%.
Tuesday Night
Rain, mainly before 11pm. Mostly cloudy, with a low around 44. Breezy.
Wednesday
Rain. Mostly cloudy, with a high near 56. Breezy.
Wednesday Night
A chance of rain before 11pm. Snow level 3500 feet lowering to 2000 feet after midnight . Mostly cloudy, with a low around 37. Breezy.
Thursday
A slight chance of rain. Snow level 1700 feet rising to 2800 feet in the afternoon. Mostly sunny, with a high near 57.
Thursday Night
Mostly clear, with a low around 38.
Friday
Sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Troutdale OR
 45.57°N 122.37°W (Elev. 141 ft)
Last Update:
2:01 pm PDT Mar 21, 2026
Forecast Valid:
2pm PDT Mar 21, 2026-6pm PDT Mar 27, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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