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.

Rain

41°F

5°C

Humidity 86%
Wind Speed ENE 3 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 15 Apr 06:35 PM PDT
Extended Forecast for

2 Miles NNE Newcastle WA

  • Tonight

    Tonight: Rain and snow showers before 11pm, then a slight chance of rain showers between 11pm and midnight. Some thunder is also possible. Patchy frost after 1am. Low around 35. West southwest wind around 5 mph becoming light and variable. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow
    then Patchy
    Frost

  • Thursday

    Thursday: Patchy frost before 9am. Otherwise, mostly sunny, with a high near 55. Southwest wind around 5 mph.

    High: 55 °F

    Patchy Frost
    then Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 40. Southwest wind around 5 mph.

    Low: 40 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57. Light and variable wind.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41. North northwest wind around 5 mph becoming calm in the evening.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain. Mostly cloudy, with a high near 65.

    High: 65 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain and snow showers before 11pm, then a slight chance of rain showers between 11pm and midnight. Some thunder is also possible. Patchy frost after 1am. Low around 35. West southwest wind around 5 mph becoming light and variable. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
Patchy frost before 9am. Otherwise, mostly sunny, with a high near 55. Southwest wind around 5 mph.
Thursday Night
Mostly cloudy, with a low around 40. Southwest wind around 5 mph.
Friday
Mostly sunny, with a high near 57. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 41. North northwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly cloudy, with a high near 64.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
A slight chance of rain. Mostly cloudy, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 47.
Monday
Partly sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
A slight chance of rain. Partly sunny, with a high near 64.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 48.
Wednesday
A chance of rain. Mostly cloudy, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Newcastle WA
 47.57°N 122.15°W (Elev. 397 ft)
Last Update:
2:10 pm PDT Apr 15, 2026
Forecast Valid:
6pm PDT Apr 15, 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