| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-04-01 | 大雪 | 4°/0° | 14.5 mm |
| 2026-04-02 | 阴 | 6°/-2° | 0.0 mm |
| 2026-04-03 | 晴天 | 3°/-7° | 0.0 mm |
| 2026-04-04 | 晴天 | 11°/0° | 0.0 mm |
| 2026-04-05 | 晴天 | 13°/2° | 0.0 mm |
| 2026-04-06 | 阴 | 13°/6° | 0.0 mm |
| 2026-04-07 | 阴 | 14°/4° | 0.0 mm |
| 2026-04-08 | 晴天 | 15°/4° | 0.0 mm |
| 2026-04-09 | 阴 | 14°/5° | 0.0 mm |
| 2026-04-10 | 多云 | 12°/4° | 0.0 mm |
| 2026-04-11 | 阴 | 9°/3° | 0.0 mm |
| 2026-04-12 | 阴 | 7°/1° | 0.0 mm |
| 2026-04-13 | 中雪 | 3°/-1° | 3.4 mm |
| 2026-04-14 | 大雪 | 3°/-4° | 5.9 mm |
| 2026-04-15 | 晴天 | 8°/0° | 0.0 mm |
| 2026-04-16 | 阴 | 9°/-2° | 0.0 mm |
| 2026-04-17 | 阴 | 3°/-10° | 0.0 mm |
| 2026-04-18 | 晴天 | 9°/-1° | 0.0 mm |
| 2026-04-19 | 阴 | 13°/3° | 0.0 mm |
| 2026-04-20 | 阴 | 15°/6° | 0.0 mm |
| 2026-04-21 | 阴 | 14°/5° | 0.0 mm |
| 2026-04-22 | 阴 | 8°/0° | 0.0 mm |
| 2026-04-23 | 阴 | 9°/-1° | 0.0 mm |
| 2026-04-24 | 阴 | 9°/1° | 0.0 mm |
| 2026-04-25 | 阴 | 9°/1° | 0.0 mm |
| 2026-04-26 | 大雪 | 1°/-3° | 5.5 mm |
| 2026-04-27 | 雾 | 5°/-1° | 0.0 mm |
| 2026-04-28 | 阴 | 8°/-2° | 0.0 mm |
| 2026-04-29 | 阴 | 10°/0° | 0.0 mm |
| 2026-04-30 | 晴间多云 | 10°/1° | 0.0 mm |
2026年04月华盛顿共记录 30 天，平均最高 8℃、最低 0℃，降水日 4 天。