
Wintry Precipitation for the Northeast; Increasing Severe Weather Threat from the Plains to the Midwest
Wintry mixed precipitation will spread across the Northeast today, with light snow and ice accumulations forecast through southern New England. Meanwhile, the threat of severe weather will be increasing from the southern Plains to the Midwest, with rounds of showers and thunderstorms, some severe, expected each day through Friday. Read More >
Current conditions at
Renton Municipal Airport (KRNT)
Lat: 47.49509°NLon: 122.21437°WElev: 23.0ft.
Mostly Cloudy
55°F
13°C
| Humidity | 74% |
| Wind Speed | S 4 MPH |
| Barometer | 30.01 in (1016.26 mb) |
| Dewpoint | 47°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 03 Mar 02:53 PM PST |
Extended Forecast for
Newcastle WA
This Afternoon

High: 53 °F
Rain
Tonight

Low: 47 °F
Rain
Wednesday
High: 53 °F
Showers
Likely then
ShowersWednesday Night

Low: 42 °F
Rain
Thursday

High: 48 °F
Rain
Thursday Night

Low: 43 °F
Rain Likely
Friday

High: 51 °F
Rain
Friday Night

Low: 47 °F
Rain
Saturday

High: 53 °F
Rain Likely
Detailed Forecast
This Afternoon
Rain, mainly before 4pm. High near 53. South southwest wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly after 8pm. Low around 47. South wind 7 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 4pm, then rain and possibly a thunderstorm after 4pm. High near 53. Southwest wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain. Low around 42. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. High near 48. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 43. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain. High near 51. Chance of precipitation is 80%.
Friday Night
Rain. Cloudy, with a low around 47.
Saturday
Rain likely. Cloudy, with a high near 53.
Saturday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 47.
Sunday
Rain. Cloudy, with a high near 53.
Sunday Night
Rain likely. Mostly cloudy, with a low around 41.
Monday
Rain. Mostly cloudy, with a high near 48.
Monday Night
Rain and snow likely. Mostly cloudy, with a low around 36.
Tuesday
Rain and snow likely. Mostly cloudy, with a high near 48.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Newcastle WA
47.52°N 122.17°W (Elev. 400 ft)
47.52°N 122.17°W (Elev. 400 ft)
1:25 pm PST Mar 3, 2026
3pm PST Mar 3, 2026-6pm PDT Mar 10, 2026


