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

Renton Municipal Airport (KRNT)

Lat: 47.49509°NLon: 122.21437°WElev: 23.0ft.

Clear

55°F

13°C

Humidity 50%
Wind Speed NW 11 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 01 Mar 02:35 PM PST
Extended Forecast for

2 Miles E Newcastle WA

  • This Afternoon

    This Afternoon: Sunny, with a high near 53. North wind around 7 mph.

    High: 53 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 36. Light and variable wind.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56. South southwest wind 3 to 6 mph.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain after 4am.  Increasing clouds, with a low around 44. South wind around 7 mph.

    Low: 44 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: Rain, mainly after 10am.  High near 50. South wind 8 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 44. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Rain

  • Wednesday

    Wednesday: Rain before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then rain and possibly a thunderstorm after 4pm.  High near 49. Chance of precipitation is 100%.

    High: 49 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain.  Mostly cloudy, with a low around 41.

    Low: 41 °F

    Rain

  • Thursday

    Thursday: Rain.  Cloudy, with a high near 47.

    High: 47 °F

    Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 53. North wind around 7 mph.
Tonight
Mostly clear, with a low around 36. Light and variable wind.
Monday
Sunny, with a high near 56. South southwest wind 3 to 6 mph.
Monday Night
A 30 percent chance of rain after 4am. Increasing clouds, with a low around 44. South wind around 7 mph.
Tuesday
Rain, mainly after 10am. High near 50. South wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain. Low around 44. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then rain and possibly a thunderstorm after 4pm. High near 49. Chance of precipitation is 100%.
Wednesday Night
Rain. Mostly cloudy, with a low around 41.
Thursday
Rain. Cloudy, with a high near 47.
Thursday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 42.
Friday
Rain likely. Cloudy, with a high near 49.
Friday Night
Rain likely. Cloudy, with a low around 45.
Saturday
Rain. Cloudy, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Newcastle WA
 47.55°N 122.11°W (Elev. 794 ft)
1:25 pm PST Mar 1, 2026
2pm PST Mar 1, 2026-6pm PST Mar 7, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database