| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-03-01 | 小雪 | 8°/-1° | 2.6 mm |
| 2026-03-02 | 小雪 | 4°/0° | 13.3 mm |
| 2026-03-03 | 雾 | 19°/3° | 0.0 mm |
| 2026-03-04 | 中雨 | 15°/8° | 9.1 mm |
| 2026-03-05 | 中雨 | 16°/12° | 9.4 mm |
| 2026-03-06 | 阴 | 23°/12° | 0.0 mm |
| 2026-03-07 | 大雨 | 19°/5° | 33.8 mm |
| 2026-03-08 | 阴 | 18°/0° | 0.0 mm |
| 2026-03-09 | 阴 | 21°/8° | 0.0 mm |
| 2026-03-10 | 阴 | 25°/16° | 0.0 mm |
| 2026-03-11 | 阵雨 | 20°/2° | 7.3 mm |
| 2026-03-12 | 多云 | 11°/0° | 0.0 mm |
| 2026-03-13 | 阴 | 16°/5° | 0.0 mm |
| 2026-03-14 | 晴天 | 18°/3° | 0.0 mm |
| 2026-03-15 | 小雪 | 16°/0° | 14.1 mm |
| 2026-03-16 | 中雪 | 0°/-5° | 0.4 mm |
| 2026-03-17 | 阴 | 1°/-9° | 0.0 mm |
| 2026-03-18 | 阴 | 19°/0° | 0.0 mm |
| 2026-03-19 | 阴 | 24°/7° | 0.0 mm |
| 2026-03-20 | 阴 | 29°/10° | 0.0 mm |
| 2026-03-21 | 晴天 | 30°/11° | 0.0 mm |
| 2026-03-22 | 阴 | 32°/10° | 0.0 mm |
| 2026-03-23 | 阴 | 11°/3° | 0.0 mm |
| 2026-03-24 | 阴 | 18°/4° | 0.0 mm |
| 2026-03-25 | 多云 | 26°/6° | 0.0 mm |
| 2026-03-26 | 晴天 | 31°/19° | 0.0 mm |
| 2026-03-27 | 小雨 | 18°/4° | 1.8 mm |
| 2026-03-28 | 阴 | 14°/0° | 0.0 mm |
| 2026-03-29 | 雾 | 21°/5° | 0.0 mm |
| 2026-03-30 | 多云 | 27°/15° | 0.0 mm |
| 2026-03-31 | 阴 | 28°/18° | 0.0 mm |
2026年03月华盛顿共记录 31 天，平均最高 18℃、最低 5℃，降水日 9 天。