Heavy Rains Expected to Impact Parts of the Eastern U.S.

A strong cold front will produce heavy rain will create mainly localized areas of flash flooding to the Great Lakes and Ohio Valley. There is another flash flood threat in the parts of the Southeast and Southern Appalachians. Read More >

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Current conditions at

Renton Municipal Airport (KRNT)

Lat: 47.49509°NLon: 122.21437°WElev: 23ft.

Clear

64°F

18°C

Humidity	59%
Wind Speed	N 6 MPH
Barometer	30.33 in (1027.09 mb)
Dewpoint	50°F (10°C)
Visibility	5.00 mi
Last update	20 Sep 07:15 PM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

Newcastle WA

Tonight

Mostly Clear
Low: 50 °F
Tuesday

Sunny
High: 75 °F
Tuesday
Night

Increasing
Clouds
Low: 55 °F
Wednesday

Chance Rain
High: 67 °F
Wednesday
Night

Mostly Cloudy
Low: 51 °F
Thursday

Mostly Sunny
High: 68 °F
Thursday
Night

Mostly Clear
Low: 51 °F
Friday

Sunny
High: 73 °F
Friday
Night

Mostly Clear
Low: 52 °F

Detailed Forecast

Tonight

Mostly clear, with a low around 50. Northwest wind 5 to 7 mph becoming east northeast in the evening.

Tuesday

Sunny, with a high near 75. East northeast wind 5 to 7 mph becoming light and variable.

Tuesday Night

Increasing clouds, with a low around 55. North northwest wind 6 to 8 mph becoming southeast in the evening.

Wednesday

A 30 percent chance of rain, mainly before 11am. Mostly cloudy, with a high near 67. East northeast wind around 7 mph becoming north in the afternoon.

Wednesday Night

Mostly cloudy, with a low around 51. North northeast wind around 6 mph.

Thursday

Mostly sunny, with a high near 68.

Thursday Night

Mostly clear, with a low around 51.

Friday

Sunny, with a high near 73.

Friday Night

Mostly clear, with a low around 52.

Saturday

Sunny, with a high near 71.