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

Renton Municipal Airport (KRNT)

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

Overcast

41°F

5°C

Humidity 86%
Wind Speed SE 3 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 17 Mar 02:05 AM PDT
Extended Forecast for

3 Miles ESE Newcastle WA

  • Overnight

    Overnight: A slight chance of rain between 4am and 5am. Mostly cloudy, with a low around 35. South wind around 6 mph. Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Rain

  • Monday

    Monday: A chance of rain and snow before noon, then rain. High near 48. South wind around 7 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 48 °F

    Chance
    Rain/Snow
    then Rain

  • Monday Night

    Monday Night: Rain likely before 8pm, then a chance of rain and snow. Mostly cloudy, with a low around 34. Southwest wind 5 to 8 mph becoming north northwest in the evening. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow
    Likely

  • Tuesday

    Tuesday: A chance of snow before 11am, then a chance of rain. Partly sunny, with a high near 49. South wind around 6 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 49 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A slight chance of rain before 11pm, then a slight chance of snow after 5am. Mostly cloudy, with a low around 37. South southwest wind around 6 mph becoming east southeast after midnight. Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Rain then
    Slight Chance
    Snow

  • Wednesday

    Wednesday: A slight chance of rain and snow before 8am, then rain likely. Mostly cloudy, with a high near 51. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 51 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain. Low around 40. Chance of precipitation is 100%.

    Low: 40 °F

    Rain

  • Thursday

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

    High: 49 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Cloudy, with a low around 40.

    Low: 40 °F

    Rain

Detailed Forecast

Overnight
A slight chance of rain between 4am and 5am. Mostly cloudy, with a low around 35. South wind around 6 mph. Chance of precipitation is 20%.
Monday
A chance of rain and snow before noon, then rain. High near 48. South wind around 7 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Monday Night
Rain likely before 8pm, then a chance of rain and snow. Mostly cloudy, with a low around 34. Southwest wind 5 to 8 mph becoming north northwest in the evening. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday
A chance of snow before 11am, then a chance of rain. Partly sunny, with a high near 49. South wind around 6 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday Night
A slight chance of rain before 11pm, then a slight chance of snow after 5am. Mostly cloudy, with a low around 37. South southwest wind around 6 mph becoming east southeast after midnight. Chance of precipitation is 20%.
Wednesday
A slight chance of rain and snow before 8am, then rain likely. Mostly cloudy, with a high near 51. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday Night
Rain. Low around 40. Chance of precipitation is 100%.
Thursday
Rain. Cloudy, with a high near 49.
Thursday Night
Rain. Cloudy, with a low around 40.
Friday
Rain. Cloudy, with a high near 48.
Friday Night
Rain. Mostly cloudy, with a low around 39.
Saturday
Rain likely. Mostly cloudy, with a high near 50.
Saturday Night
Rain likely. Mostly cloudy, with a low around 41.
Sunday
Rain. Cloudy, with a high near 51.
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Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Newcastle WA
 47.51°N 122.1°W (Elev. 1201 ft)
Last Update:
1:33 am PDT Mar 17, 2025
Forecast Valid:
2am PDT Mar 17, 2025-6pm PDT Mar 23, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation