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

57°F

14°C

Humidity 87%
Wind Speed SSE 3 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 15 Nov 09:55 AM PST
Extended Forecast for

3 Miles NNE Newcastle WA

  • Today

    Today: Rain likely, mainly between 2pm and 4pm. Mostly cloudy, with a high near 57. Light south wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Chance Rain
    then Rain
    Likely

  • Tonight

    Tonight: A slight chance of rain before 10pm, then a chance of rain after 3am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 49. Calm wind. Chance of precipitation is 30%.

    Low: 49 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday

    Sunday: Rain likely, mainly after 10am. Patchy fog before 9am. Otherwise, cloudy, with a high near 57. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Rain Likely
    and Patchy
    Fog

  • Sunday Night

    Sunday Night: Rain before midnight, then showers after midnight. Low around 47. Light south wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Rain

  • Monday

    Monday: Showers likely. Mostly cloudy, with a high near 54. Light south southwest wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers. Partly sunny, with a high near 51.

    High: 51 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Patchy fog before 1am, then patchy fog after 4am. Otherwise, partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: A slight chance of rain after 10am. Patchy fog before 7am. Otherwise, partly sunny, with a high near 52.

    High: 52 °F

    Slight Chance
    Rain and
    Patchy Fog

Detailed Forecast

Today
Rain likely, mainly between 2pm and 4pm. Mostly cloudy, with a high near 57. Light south wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A slight chance of rain before 10pm, then a chance of rain after 3am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 49. Calm wind. Chance of precipitation is 30%.
Sunday
Rain likely, mainly after 10am. Patchy fog before 9am. Otherwise, cloudy, with a high near 57. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain before midnight, then showers after midnight. Low around 47. Light south wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers likely. Mostly cloudy, with a high near 54. Light south southwest wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 42.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 51.
Tuesday Night
Patchy fog before 1am, then patchy fog after 4am. Otherwise, partly cloudy, with a low around 37.
Wednesday
A slight chance of rain after 10am. Patchy fog before 7am. Otherwise, partly sunny, with a high near 52.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 42.
Thursday
Rain likely. Mostly cloudy, with a high near 53.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 40.
Friday
A chance of rain. Partly sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Newcastle WA
 47.59°N 122.12°W (Elev. 256 ft)
Last Update:
7:01 am PST Nov 15, 2025
Forecast Valid:
10am PST Nov 15, 2025-6pm PST Nov 21, 2025
 
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