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

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Portland-Hillsboro Airport (KHIO)

Lat: 45.54765°NLon: 122.95568°WElev: 194.0ft.

Overcast

44°F

7°C

Humidity 95%
Wind Speed NW 3 MPH
Barometer 30.42 in (1030.14 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 12 Jan 07:53 AM PST
Extended Forecast for

King City OR

Air Stagnation Advisory January 12, 08:03am until January 16, 04:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 12, 08:03am until January 16, 04:00am

    NOW until 4:00am Fri

    Air Stagnation Advisory

  • Today

    High: 52 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy dense fog between 2am and 3am. Otherwise, mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Cloudy
    then Patchy
    Dense Fog

  • Tuesday

    Tuesday: Patchy dense fog before 10am. Otherwise, partly sunny, with a high near 51. Calm wind.

    High: 51 °F

    Patchy Dense
    Fog then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Patchy dense fog after 5am. Otherwise, mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Cloudy
    then Patchy
    Dense Fog

  • Wednesday

    Wednesday: Patchy dense fog between 7am and noon. Otherwise, partly sunny, with a high near 49. Calm wind.

    High: 49 °F

    Patchy Dense
    Fog then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 39.

    Low: 39 °F

    Patchy Fog

  • Thursday

    Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near 55.

    High: 55 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Today
Mostly sunny, with a high near 52. Calm wind.
Tonight
Patchy dense fog between 2am and 3am. Otherwise, mostly cloudy, with a low around 39. Calm wind.
Tuesday
Patchy dense fog before 10am. Otherwise, partly sunny, with a high near 51. Calm wind.
Tuesday Night
Patchy dense fog after 5am. Otherwise, mostly cloudy, with a low around 37. Calm wind.
Wednesday
Patchy dense fog between 7am and noon. Otherwise, partly sunny, with a high near 49. Calm wind.
Wednesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 39.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 55.
Thursday Night
Mostly clear, with a low around 39.
Friday
Sunny, with a high near 54.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
King City OR
 45.42°N 122.82°W (Elev. 600 ft)
Last Update:
7:41 am PST Jan 12, 2026
Forecast Valid:
8am PST Jan 12, 2026-6pm PST Jan 18, 2026
 
Forecast Discussion
 
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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