| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-04-01 | 中雨 | 12°/4° | 14.1 mm |
| 2026-04-02 | 大雨 | 21°/5° | 36.5 mm |
| 2026-04-03 | 雾 | 14°/5° | 0.0 mm |
| 2026-04-04 | 大毛毛雨 | 15°/3° | 1.1 mm |
| 2026-04-05 | 晴天 | 13°/1° | 0.0 mm |
| 2026-04-06 | 阴 | 11°/2° | 0.0 mm |
| 2026-04-07 | 阴 | 5°/0° | 0.0 mm |
| 2026-04-08 | 阴 | 23°/4° | 0.0 mm |
| 2026-04-09 | 小毛毛雨 | 16°/7° | 0.4 mm |
| 2026-04-10 | 大雨 | 12°/6° | 9.0 mm |
| 2026-04-11 | 小毛毛雨 | 12°/3° | 0.4 mm |
| 2026-04-12 | 大雨 | 23°/13° | 12.7 mm |
| 2026-04-13 | 雾 | 27°/16° | 0.0 mm |
| 2026-04-14 | 小毛毛雨 | 29°/19° | 0.4 mm |
| 2026-04-15 | 大雨 | 23°/16° | 8.0 mm |
| 2026-04-16 | 雾 | 26°/13° | 0.0 mm |
| 2026-04-17 | 小雨 | 28°/8° | 2.5 mm |
| 2026-04-18 | 阴 | 10°/2° | 0.0 mm |
| 2026-04-19 | 阴 | 13°/1° | 0.0 mm |
| 2026-04-20 | 多云 | 17°/0° | 0.0 mm |
| 2026-04-21 | 晴间多云 | 27°/12° | 0.0 mm |
| 2026-04-22 | 晴间多云 | 26°/16° | 0.0 mm |
| 2026-04-23 | 雷阵雨 | 27°/14° | 91.8 mm |
| 2026-04-24 | 大雨 | 19°/10° | 12.6 mm |
| 2026-04-25 | 阴 | 22°/8° | 0.0 mm |
| 2026-04-26 | 阴 | 25°/8° | 0.0 mm |
| 2026-04-27 | 中雨 | 22°/11° | 3.6 mm |
| 2026-04-28 | 雾 | 16°/8° | 0.0 mm |
| 2026-04-29 | 阴 | 15°/7° | 0.0 mm |
| 2026-04-30 | 雾 | 13°/3° | 0.0 mm |
2026年04月华盛顿共记录 30 天，平均最高 18℃、最低 7℃，降水日 13 天。