Current conditions at
Renton Municipal Airport (KRNT)
Lat: 47.49509°NLon: 122.21437°WElev: 23.0ft.
Clear
74°F
23°C
| Humidity | 71% |
| Wind Speed | NNW 9 MPH |
| Barometer | 29.98 in (1015.24 mb) |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 28 Aug 09:53 PM PDT |
Extended Forecast for
Newcastle WA
Tonight
Low: 63 °F
Partly Cloudy
Friday
High: 84 °F
Decreasing
CloudsFriday Night
Low: 61 °F
Partly Cloudy
Saturday
High: 80 °F
Partly Sunny
Saturday Night
Low: 61 °F
Slight Chance
ShowersSunday
High: 79 °F
Partly Sunny
Sunday Night
Low: 60 °F
Partly Cloudy
Labor Day
High: 80 °F
Mostly Sunny
Monday Night
Low: 61 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 63. Light and variable wind.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 84. Light and variable wind.
Friday Night
Partly cloudy, with a low around 61. Calm wind.
Saturday
Partly sunny, with a high near 80. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 61. West northwest wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 60.
Labor Day
Mostly sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 82.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Newcastle WA
47.54°N 122.17°W (Elev. 397 ft)
47.54°N 122.17°W (Elev. 397 ft)
8:01 pm PDT Aug 28, 2025
10pm PDT Aug 28, 2025-6pm PDT Sep 4, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
