Newcastle, Washington Weather
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Weather Forecast for Newcastle, Washington : King County
Issued: 9:40 am PDT May 11, 2025 Latitude: 47.5389889 Longitude: -122.1556769 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Monday Tuesday Wednesday Thursday Friday Saturday
50% chance of rain on This Afternoon 40% chance of rain on Tonight 40% chance of on Monday Mostly Cloudy on Tuesday Mostly Cloudy on Wednesday Mostly Cloudy on Thursday 20% chance of rain on Friday 20% chance of rain on Saturday
High: 61°F Low: 45°F High: 60°F High: 61°F High: 60°F High: 60°F High: 61°F High: 60°F
Low: 47°F Low: 50°F Low: 46°F Low: 48°F Low: 50°F  
Rain Rain Partly Sunny Mostly Cloudy Mostly Cloudy Mostly Cloudy Rain Rain
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Current Conditions at
RENTON - (KRNT)
59°
Mostly Cloudy
as of 12:53 PM PDST
Rel. Humidity: 58%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.79 in.
Flight Rule: VFR
Wind Data
3 MPH
140° Southeast
Cloud Level(s): Broken at 3700ft, Broken at 4500ft, Broken at 6000ft
Current Conditions at
BOEING FIELD - (KBFI)
61°
Mostly Cloudy
as of 12:53 PM PDST
Rel. Humidity: 51%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 29.79 in.
Flight Rule: VFR
Wind Data
7 MPH
240° Southwest
Cloud Level(s): Broken at 5000ft
Current Conditions at
SEATTLE-TACOMA - (KSEA)
59°
Mostly Cloudy
as of 12:53 PM PDST
Rel. Humidity: 54%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 29.79 in.
Flight Rule: VFR
Wind Data
6 MPH
190° South
Cloud Level(s): Few at 3200ft, Scattered at 5000ft, Broken at 11000ft
Current Conditions at
EVERETT - (KPAE)
57°
Mostly Cloudy
as of 12:53 PM PDST
Rel. Humidity: 58%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 29.79 in.
Flight Rule: VFR
Wind Data
9 MPH
170° South
Cloud Level(s): Scattered at 3900ft, Broken at 4800ft, Broken at 8500ft
50% chance of rain This Afternoon This Afternoon... A 50 percent chance of showers. Mostly cloudy, with a high near 61. Southwest wind around 6 mph.
40% chance of rain Tonight Tonight... A 40 percent chance of showers. Mostly cloudy, with a low around 45. Southwest wind around 5 mph becoming calm in the evening.
40% chance of Monday Monday... A 40 percent chance of showers. Partly sunny, with a high near 60. Calm wind becoming west around 5 mph in the afternoon.
20% chance of rain Monday Night Monday Night... A 20 percent chance of showers. Mostly cloudy, with a low around 47. West wind 5 to 7 mph becoming south after midnight.
Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 61. South southwest wind around 6 mph.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 50.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 60.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 46.
Mostly Cloudy on Thursday Thursday... Mostly cloudy, with a high near 60.
20% chance of rain Thursday Night Thursday Night... A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 48.
20% chance of rain Friday Friday... A chance of showers. Mostly cloudy, with a high near 61.
20% chance of rain Friday Night Friday Night... A chance of showers. Mostly cloudy, with a low around 50.
20% chance of rain Saturday Saturday... A chance of showers. Mostly cloudy, with a high near 60.
Current Radar Image


Sun Almanac for Newcastle, Washington
Sunrise: 05:36 AM
Sunset: 8:34 PM
Civil Sunrise:05:00 AM
Civil Sunset: 9:10 PM
Nautical Sunrise: 04:13 AM
Nautical Sunset: 9:57 PM
Astro Sunrise: 03:17 AM
Astro Sunset: 10:53 PM
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