| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-04-01 | 阴 | 5°/-1° | 0.0 mm |
| 2026-04-02 | 大雪 | 2°/0° | 13.0 mm |
| 2026-04-03 | 中雪 | 3°/0° | 6.5 mm |
| 2026-04-04 | 小雪 | 3°/0° | 2.2 mm |
| 2026-04-05 | 阴 | 10°/-1° | 0.0 mm |
| 2026-04-06 | 阴 | 4°/-2° | 0.0 mm |
| 2026-04-07 | 阴 | 5°/-9° | 0.0 mm |
| 2026-04-08 | 雾 | 16°/2° | 0.0 mm |
| 2026-04-09 | 小雪 | 8°/1° | 0.8 mm |
| 2026-04-10 | 阴 | 11°/0° | 0.0 mm |
| 2026-04-11 | 小雨 | 8°/0° | 5.4 mm |
| 2026-04-12 | 小毛毛雨 | 26°/8° | 0.4 mm |
| 2026-04-13 | 阴 | 21°/9° | 0.0 mm |
| 2026-04-14 | 雾 | 16°/9° | 0.0 mm |
| 2026-04-15 | 雾 | 19°/5° | 0.0 mm |
| 2026-04-16 | 晴天 | 24°/4° | 0.0 mm |
| 2026-04-17 | 雷阵雨 | 21°/3° | 3.3 mm |
| 2026-04-18 | 阴 | 6°/-1° | 0.0 mm |
| 2026-04-19 | 阴 | 7°/0° | 0.0 mm |
| 2026-04-20 | 多云 | 15°/-4° | 0.0 mm |
| 2026-04-21 | 晴天 | 23°/4° | 0.0 mm |
| 2026-04-22 | 阴 | 27°/7° | 0.0 mm |
| 2026-04-23 | 强阵雨 | 21°/15° | 15.2 mm |
| 2026-04-24 | 阴 | 15°/5° | 0.0 mm |
| 2026-04-25 | 阴 | 13°/5° | 0.0 mm |
| 2026-04-26 | 阴 | 17°/7° | 0.0 mm |
| 2026-04-27 | 中雨 | 13°/6° | 16.7 mm |
| 2026-04-28 | 阴 | 13°/4° | 0.0 mm |
| 2026-04-29 | 阴 | 10°/3° | 0.0 mm |
| 2026-04-30 | 阴 | 9°/0° | 0.0 mm |
2026年04月华盛顿共记录 30 天，平均最高 13℃、最低 2℃，降水日 9 天。