Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Overcast

45°F

7°C

Humidity	81%
Wind Speed	S 3 MPH
Barometer	30.13 in (1020.32 mb)
Dewpoint	39°F (4°C)
Visibility	10.00 mi
Last update	27 Jan 11:20 PM PST

More Information:

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

Extended Forecast for

Newcastle WA

Tonight
Low: 42 °F
Rain Likely
Wednesday
High: 50 °F
Rain
Wednesday Night
Low: 46 °F
Rain
Thursday
High: 51 °F
Rain then
Rain Likely
Thursday Night
Low: 47 °F
Rain
Friday
High: 53 °F
Rain
Friday Night
Low: 45 °F
Rain Likely
then Chance
Rain
Saturday
High: 56 °F
Slight Chance
Rain
Saturday Night
Low: 44 °F
Slight Chance
Rain

Detailed Forecast

Tonight

Rain likely, mainly after 3am. Mostly cloudy, with a low around 42. South wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

Rain. High near 50. South wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Rain. Low around 46. Southeast wind 8 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Thursday

Rain. High near 51. Southeast wind 6 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

Rain. Low around 47. Southeast wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday

Rain. High near 53. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Friday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.

Saturday

A slight chance of rain. Mostly cloudy, with a high near 56.

Saturday Night

A slight chance of rain. Mostly cloudy, with a low around 44.

Sunday

Rain likely, mainly after 4pm. Mostly cloudy, with a high near 56.

Sunday Night

Rain likely. Mostly cloudy, with a low around 45.