| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-04-01 | 小雨 | 8°/0° | 5.1 mm |
| 2026-04-02 | 中雨 | 6°/4° | 17.6 mm |
| 2026-04-03 | 大毛毛雨 | 4°/2° | 5.2 mm |
| 2026-04-04 | 阴 | 7°/1° | 0.0 mm |
| 2026-04-05 | 晴天 | 16°/0° | 0.0 mm |
| 2026-04-06 | 阴 | 8°/2° | 0.0 mm |
| 2026-04-07 | 大雪 | 6°/-1° | 12.5 mm |
| 2026-04-08 | 阴 | 19°/7° | 0.0 mm |
| 2026-04-09 | 大毛毛雨 | 8°/2° | 2.6 mm |
| 2026-04-10 | 阴 | 11°/0° | 0.0 mm |
| 2026-04-11 | 小毛毛雨 | 18°/6° | 0.4 mm |
| 2026-04-12 | 阴 | 21°/17° | 0.0 mm |
| 2026-04-13 | 阴 | 27°/15° | 0.0 mm |
| 2026-04-14 | 阴 | 25°/10° | 0.0 mm |
| 2026-04-15 | 大雨 | 19°/10° | 26.3 mm |
| 2026-04-16 | 晴天 | 25°/9° | 0.0 mm |
| 2026-04-17 | 阴 | 20°/3° | 0.0 mm |
| 2026-04-18 | 阴 | 11°/0° | 0.0 mm |
| 2026-04-19 | 多云 | 15°/2° | 0.0 mm |
| 2026-04-20 | 晴间多云 | 25°/1° | 0.0 mm |
| 2026-04-21 | 多云 | 29°/14° | 0.0 mm |
| 2026-04-22 | 多云 | 27°/15° | 0.0 mm |
| 2026-04-23 | 强阵雨 | 24°/11° | 14.1 mm |
| 2026-04-24 | 晴天 | 16°/3° | 0.0 mm |
| 2026-04-25 | 毛毛雨 | 19°/6° | 0.7 mm |
| 2026-04-26 | 雾 | 19°/6° | 0.0 mm |
| 2026-04-27 | 阴 | 16°/7° | 0.0 mm |
| 2026-04-28 | 阴 | 11°/4° | 0.0 mm |
| 2026-04-29 | 雾 | 14°/2° | 0.0 mm |
| 2026-04-30 | 小雨 | 12°/5° | 2.2 mm |
2026年04月华盛顿共记录 30 天，平均最高 16℃、最低 5℃，降水日 10 天。