Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Clear

54°F

12°C

Humidity 71%
Wind Speed S 4 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 01 Mar 07:15 PM PST
Extended Forecast for

4 Miles E Farmington OR

  • Tonight

    Tonight: A slight chance of showers before 2am, then a slight chance of showers after 3am.  Mostly cloudy, with a low around 44. Calm wind.  Chance of precipitation is 20%.

    Low: 44 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 10 percent chance of showers after 4pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 59. Calm wind becoming south around 5 mph in the afternoon.

    High: 59 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers before 10pm, then a chance of rain after 4am.  Mostly cloudy, with a low around 45. Light south wind.  Chance of precipitation is 30%.

    Low: 45 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain, mainly after 10am.  High near 53. South southwest wind 6 to 10 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 47. South wind 11 to 14 mph, with gusts as high as 18 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Rain

  • Wednesday

    Wednesday: Rain.  High near 53. Chance of precipitation is 100%.

    High: 53 °F

    Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain

  • Thursday

    Thursday: Rain.  Cloudy, with a high near 49.

    High: 49 °F

    Rain

  • Thursday Night

    Thursday Night: A chance of rain.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

Detailed Forecast

Tonight
A slight chance of showers before 2am, then a slight chance of showers after 3am. Mostly cloudy, with a low around 44. Calm wind. Chance of precipitation is 20%.
Monday
A 10 percent chance of showers after 4pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 59. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
A slight chance of showers before 10pm, then a chance of rain after 4am. Mostly cloudy, with a low around 45. Light south wind. Chance of precipitation is 30%.
Tuesday
Rain, mainly after 10am. High near 53. South southwest wind 6 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain. Low around 47. South wind 11 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain. High near 53. Chance of precipitation is 100%.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 42.
Thursday
Rain. Cloudy, with a high near 49.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 43.
Friday
A chance of rain. Mostly cloudy, with a high near 54.
Friday Night
A chance of rain. Mostly cloudy, with a low around 45.
Saturday
A chance of rain. Mostly cloudy, with a high near 58.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 46.
Sunday
Rain likely. Mostly cloudy, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Farmington OR
 45.45°N 122.87°W (Elev. 600 ft)
6:41 pm PST Mar 1, 2026
7pm PST Mar 1, 2026-6pm PDT Mar 8, 2026
 
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Additional Resources

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Hourly Weather Forecast

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