FORECAST VERIFICATION
Washington, District of Columbia Forecast Accuracy
See how Weatherkind forecasts for Washington, District of Columbia compare with real observations from nearby weather stations.
Washington forecast verification record
Comparable forecast regions near this location; these are not measurements of the selected point itself. Results cover the last 30 days.
| Forecast | Typical error | Bias | Comparisons |
|---|---|---|---|
| 0 hours ahead: temperature | 1.8°F | -0.5°F | 648 |
| 1 hours ahead: temperature | 1.9°F | -0.5°F | 644 |
| 2 hours ahead: temperature | 1.7°F | -0.5°F | 641 |
| 3 hours ahead: temperature | 1.6°F | -0.2°F | 648 |
| 4 hours ahead: temperature | 1.6°F | -0.2°F | 646 |
| 5 hours ahead: temperature | 1.6°F | -0.2°F | 638 |
| 6 hours ahead: temperature | 1.7°F | -0.1°F | 642 |
| 12 hours ahead: temperature | 1.8°F | -0.2°F | 640 |
| 24 hours ahead: temperature | 2.0°F | -0.5°F | 640 |
| 1 day ahead: high | 2.4°F | -0.4°F | 115 |
| 1 day ahead: low | 1.5°F | -0.2°F | 115 |
| 2 days ahead: high | 2.5°F | -0.8°F | 115 |
| 2 days ahead: low | 1.7°F | -0.4°F | 115 |
| 3 days ahead: high | 2.7°F | -1.4°F | 113 |
| 3 days ahead: low | 1.9°F | -0.5°F | 113 |
| 4 days ahead: high | 3.4°F | -1.9°F | 110 |
| 4 days ahead: low | 2.0°F | -0.6°F | 110 |
| 5 days ahead: high | 4.6°F | -3.4°F | 109 |
| 5 days ahead: low | 2.6°F | -1.4°F | 109 |
| 6 days ahead: high | 6.3°F | -5.1°F | 107 |
| 6 days ahead: low | 3.8°F | -3.5°F | 107 |
| 7 days ahead: high | 6.7°F | -6.2°F | 105 |
| 7 days ahead: low | 4.5°F | -3.5°F | 105 |
| 8 days ahead: high | 6.0°F | -4.8°F | 101 |
| 8 days ahead: low | 4.0°F | -2.8°F | 101 |
| 9 days ahead: high | 6.9°F | -5.0°F | 98 |
| 9 days ahead: low | 4.4°F | -0.4°F | 98 |
| 10 days ahead: high | 6.8°F | -5.1°F | 96 |
| 10 days ahead: low | 4.9°F | 1.2°F | 96 |
| 11 days ahead: high | 7.3°F | -4.7°F | 96 |
| 11 days ahead: low | 5.1°F | 2.2°F | 96 |
| 12 days ahead: high | 7.8°F | -4.7°F | 94 |
| 12 days ahead: low | 5.8°F | 1.6°F | 94 |
| 13 days ahead: high | 8.8°F | -6.3°F | 94 |
| 13 days ahead: low | 6.1°F | 0.7°F | 94 |
| 14 days ahead: high | 9.6°F | -7.1°F | 94 |
| 14 days ahead: low | 6.1°F | -0.8°F | 94 |
Lower typical error is better. Positive bias means forecasts ran warmer than observations; negative bias means cooler.