| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-04-01 | 小雨 | 10°/5° | 10.3 mm |
| 2026-04-02 | 大毛毛雨 | 12°/4° | 2.3 mm |
| 2026-04-03 | 阴 | 15°/1° | 0.0 mm |
| 2026-04-04 | 阴 | 22°/4° | 0.0 mm |
| 2026-04-05 | 阴 | 25°/9° | 0.0 mm |
| 2026-04-06 | 晴间多云 | 24°/7° | 0.0 mm |
| 2026-04-07 | 多云 | 16°/6° | 0.0 mm |
| 2026-04-08 | 多云 | 19°/4° | 0.0 mm |
| 2026-04-09 | 阴 | 23°/5° | 0.0 mm |
| 2026-04-10 | 大雨 | 23°/11° | 25.5 mm |
| 2026-04-11 | 中雨 | 16°/9° | 7.6 mm |
| 2026-04-12 | 中雨 | 13°/10° | 8.7 mm |
| 2026-04-13 | 阴 | 13°/7° | 0.0 mm |
| 2026-04-14 | 小雨 | 10°/5° | 9.5 mm |
| 2026-04-15 | 中雨 | 8°/3° | 15.0 mm |
| 2026-04-16 | 雾 | 13°/1° | 0.0 mm |
| 2026-04-17 | 阴 | 13°/2° | 0.0 mm |
| 2026-04-18 | 阴 | 21°/4° | 0.0 mm |
| 2026-04-19 | 阴 | 23°/8° | 0.0 mm |
| 2026-04-20 | 阴 | 20°/10° | 0.0 mm |
| 2026-04-21 | 中雨 | 13°/9° | 12.3 mm |
| 2026-04-22 | 小雨 | 12°/8° | 3.0 mm |
| 2026-04-23 | 阴 | 14°/8° | 0.0 mm |
| 2026-04-24 | 晴天 | 18°/5° | 0.0 mm |
| 2026-04-25 | 阴 | 19°/6° | 0.0 mm |
| 2026-04-26 | 阴 | 20°/4° | 0.0 mm |
| 2026-04-27 | 阴 | 14°/4° | 0.0 mm |
| 2026-04-28 | 阴 | 15°/7° | 0.0 mm |
| 2026-04-29 | 多云 | 21°/4° | 0.0 mm |
| 2026-04-30 | 阴 | 25°/9° | 0.0 mm |
2026年04月华盛顿共记录 30 天，平均最高 17℃、最低 5℃，降水日 9 天。