Record Heat Remains in Place This Week; Precipitation and Windy Conditions in the Northwest

Record warmth will persist across portions of California, the Southwest U.S., the central Great Basin and spread across the central U.S. for the middle of the week. High temperatures will approach 90 from Texas to the Ohio Valley. A moist frontal system will bring lowland rain, high elevation mountain snow, and breezy winds to the Pacific Northwest into the Northern Rockies through Wednesday. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

Lat: 47.49509°NLon: 122.21437°WElev: 23.0ft.

Mostly Cloudy

47°F

8°C

Humidity	70%
Wind Speed	NNW 5 MPH
Barometer	30.01 in (1016.26 mb)
Dewpoint	38°F (3°C)
Visibility	10.00 mi
Wind Chill	45°F (7°C)
Last update	23 Mar 08:53 PM PDT

More Information:

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

Extended Forecast for

Newcastle WA

Tonight
Low: 44 °F
Cloudy then
Rain Likely
Tuesday
High: 53 °F
Rain
Tuesday Night
Low: 41 °F
Rain then
Rain Likely
Wednesday
High: 49 °F
Rain
Wednesday Night
Low: 37 °F
Rain/Snow
Likely then
Chance
Rain/Snow
Thursday
High: 53 °F
Slight Chance
Rain/Snow
then Mostly
Sunny
Thursday Night
Low: 35 °F
Mostly Clear
Friday
High: 58 °F
Sunny
Friday Night
Low: 39 °F
Mostly Cloudy

Detailed Forecast

Tonight

Rain likely, mainly after 5am. Cloudy, with a low around 44. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday

Rain, mainly before 4pm. High near 53. South southwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Tuesday Night

Rain. Low around 41. South southwest wind 11 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

Rain. High near 49. South southwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Rain likely before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 37. South wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Thursday

A slight chance of rain and snow before 11am. Mostly sunny, with a high near 53. Chance of precipitation is 20%.

Thursday Night

Mostly clear, with a low around 35.

Friday

Sunny, with a high near 58.

Friday Night

Mostly cloudy, with a low around 39.

Saturday

Partly sunny, with a high near 61.

Saturday Night

Partly cloudy, with a low around 44.