| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-04-01 | 小毛毛雨 | 4°/0° | 1.2 mm |
| 2026-04-02 | 阴 | 4°/-2° | 0.0 mm |
| 2026-04-03 | 大雪 | 5°/0° | 8.1 mm |
| 2026-04-04 | 雾 | 7°/0° | 0.0 mm |
| 2026-04-05 | 小雨 | 6°/0° | 4.4 mm |
| 2026-04-06 | 雾 | 5°/0° | 0.0 mm |
| 2026-04-07 | 雾 | 6°/-3° | 0.0 mm |
| 2026-04-08 | 阴 | 7°/-3° | 0.0 mm |
| 2026-04-09 | 晴天 | 10°/-4° | 0.0 mm |
| 2026-04-10 | 阴 | 15°/2° | 0.0 mm |
| 2026-04-11 | 毛毛雨 | 8°/3° | 1.1 mm |
| 2026-04-12 | 阴 | 11°/-1° | 0.0 mm |
| 2026-04-13 | 中雨 | 8°/3° | 7.7 mm |
| 2026-04-14 | 中雨 | 16°/8° | 6.2 mm |
| 2026-04-15 | 大毛毛雨 | 12°/6° | 1.8 mm |
| 2026-04-16 | 小毛毛雨 | 9°/6° | 0.4 mm |
| 2026-04-17 | 小雨 | 18°/5° | 2.9 mm |
| 2026-04-18 | 阴 | 15°/5° | 0.0 mm |
| 2026-04-19 | 中雨 | 9°/2° | 12.7 mm |
| 2026-04-20 | 阴 | 6°/-1° | 0.0 mm |
| 2026-04-21 | 多云 | 6°/-5° | 0.0 mm |
| 2026-04-22 | 阴 | 9°/-3° | 0.0 mm |
| 2026-04-23 | 中雪 | 5°/2° | 3.3 mm |
| 2026-04-24 | 阴 | 5°/0° | 0.0 mm |
| 2026-04-25 | 晴间多云 | 14°/0° | 0.0 mm |
| 2026-04-26 | 阴 | 19°/0° | 0.0 mm |
| 2026-04-27 | 多云 | 18°/2° | 0.0 mm |
| 2026-04-28 | 晴间多云 | 15°/0° | 0.0 mm |
| 2026-04-29 | 毛毛雨 | 7°/4° | 1.5 mm |
| 2026-04-30 | 大雨 | 8°/4° | 39.3 mm |
2026年04月华盛顿共记录 30 天，平均最高 9℃、最低 1℃，降水日 13 天。