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

38°F

3°C

Humidity 92%
Wind Speed SSE 4 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 15 Apr 11:53 PM PDT
Extended Forecast for

3 Miles ESE Newcastle WA

  • Overnight

    Overnight: A slight chance of rain and snow before 2am, then a slight chance of rain and snow after 3am. Widespread frost, mainly after 5am. Otherwise, mostly cloudy, with a low around 33. South wind around 6 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Rain/Snow

  • Thursday

    Thursday: Areas of frost before 9am. Otherwise, mostly sunny, with a high near 52. South wind around 6 mph.

    High: 52 °F

    Areas Frost
    then Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 38. South southeast wind 6 to 8 mph.

    Low: 38 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 54. South southeast wind around 5 mph becoming light and variable.

    High: 54 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40. North northwest wind around 6 mph becoming light and variable in the evening.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 62.

    High: 62 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A chance of rain. Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A slight chance of rain before 11pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of rain and snow before 2am, then a slight chance of rain and snow after 3am. Widespread frost, mainly after 5am. Otherwise, mostly cloudy, with a low around 33. South wind around 6 mph. Chance of precipitation is 20%.
Thursday
Areas of frost before 9am. Otherwise, mostly sunny, with a high near 52. South wind around 6 mph.
Thursday Night
Mostly cloudy, with a low around 38. South southeast wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 54. South southeast wind around 5 mph becoming light and variable.
Friday Night
Mostly cloudy, with a low around 40. North northwest wind around 6 mph becoming light and variable in the evening.
Saturday
Mostly cloudy, with a high near 62.
Saturday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 46.
Sunday
A chance of rain. Mostly cloudy, with a high near 63.
Sunday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 47.
Monday
A slight chance of rain. Partly sunny, with a high near 64.
Monday Night
A chance of rain. Mostly cloudy, with a low around 48.
Tuesday
A chance of rain. Partly sunny, with a high near 58.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 47.
Wednesday
A chance of rain. Mostly cloudy, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Newcastle WA
 47.53°N 122.11°W (Elev. 1237 ft)
Last Update:
11:26 pm PDT Apr 15, 2026
Forecast Valid:
12am PDT Apr 16, 2026-6pm PDT Apr 22, 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