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 International Airport (KPDX)

Lat: 45.59578°NLon: 122.60917°WElev: 20.0ft.

Overcast

48°F

9°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 46°F (8°C)
Visibility 9.00 mi
Last update 18 Mar 03:20 AM PDT
Extended Forecast for

Portland OR

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 50. Calm wind.

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 69. South southwest wind 3 to 6 mph.

    High: 69 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A slight chance of rain between 11pm and 3am.  Cloudy, then gradually becoming partly cloudy, with a low around 51. Light south wind.  Chance of precipitation is 20%.

    Low: 51 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly after 11am.  Mostly cloudy, with a high near 65. Calm wind becoming south around 6 mph in the afternoon.

    High: 65 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 53. South wind 3 to 6 mph.

    Low: 53 °F

    Chance Rain

  • Friday

    Friday: Rain likely, mainly after 11am.  Mostly cloudy, with a high near 63. Chance of precipitation is 70%.

    High: 63 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain likely, mainly before 11pm.  Mostly cloudy, with a low around 41. Chance of precipitation is 60%.

    Low: 41 °F

    Rain Likely
    then Slight
    Chance Rain

  • Saturday

    Saturday: A slight chance of rain before 11am.  Snow level 2600 feet lowering to 2000 feet. Mostly sunny, with a high near 55.

    High: 55 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

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

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 50. Calm wind.
Wednesday
Mostly cloudy, with a high near 69. South southwest wind 3 to 6 mph.
Wednesday Night
A slight chance of rain between 11pm and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 51. Light south wind. Chance of precipitation is 20%.
Thursday
A 30 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 65. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 53. South wind 3 to 6 mph.
Friday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.
Friday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Saturday
A slight chance of rain before 11am. Snow level 2600 feet lowering to 2000 feet. Mostly sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Sunny, with a high near 57.
Sunday Night
Increasing clouds, with a low around 37.
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 43.
Tuesday
Rain. Cloudy, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
Portland OR
 45.53°N 122.67°W (Elev. 200 ft)
2:41 am PDT Mar 18, 2026
3am PDT Mar 18, 2026-6pm PDT Mar 24, 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