Newcastle Weather Forecast
- 43
- 63
Increasing Clouds
- 41
- 60
Mostly Sunny
- 43
- 64
Sunny
- 46
- 69
Partly Sunny
- 44
- 56
Mostly Cloudy
- 43
- 55
Chance Rain Showers
- 41
- 57
Slight Chance Rain Showers
Today 15 Apr Foothills and Valleys of Central King County
Partly cloudy. Lows in the lower 40s. North wind to 10 Mph in the evening becoming light.