5-day weather forecast for Black Diamond, Washington
Today
54°
71°
Chance Rain
Showers
Showers
Sunday
54°
73°
Mostly cloudy
Monday
53°
79°
Mostly sunny
Tuesday
54°
79°
Mostly sunny
Wednesday
54°
79°
Mostly sunny
Click on a forecast to see the forecast trend for that day
Weather forecast accuracy for Seattle, Washington
| The Weather Channel | 78.10% |
| MyForecast | 76.39% |
| Accuweather | 73.06% |
| National Weather Service | 70.40% |
| NWS Digital Forecast | 69.37% |
| Intellicast | 56.46% |
| MyForecast | 80.19% |
| Intellicast | 79.66% |
| The Weather Channel | 79.53% |
| NWS Digital Forecast | 77.93% |
| Accuweather | 77.62% |
| National Weather Service | 71.57% |
ForecastAdvisor Fact
13.6% of The Weather Channel's low temperature forecasts for Seattle were exactly right last year.