5-day weather forecast for Castlewood, South Dakota
Today
55°
60°
Rain Likely
Sunday
36°
68°
Rain
Monday
32°
52°
Slight Chance Rain Showers
Tuesday
36°
58°
Partly Cloudy
Wednesday
36°
59°
Mostly sunny
Click on a forecast to see the forecast trend for that day
Weather forecast accuracy for Watertown, South Dakota
| The Weather Channel | 79.92% |
| Intellicast | 79.92% |
| National Weather Service | 79.89% |
| NWS Digital Forecast | 75.58% |
| MyForecast | 73.39% |
| Accuweather | 72.73% |
| The Weather Channel | 69.24% |
| Intellicast | 69.20% |
| MyForecast | 68.90% |
| National Weather Service | 68.46% |
| NWS Digital Forecast | 67.74% |
| Accuweather | 66.62% |
ForecastAdvisor Fact
It rained 33% of the time in Watertown last year when Accuweather's icon forecasts called for precipitation, and 12% of the time when they did not.