| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-05-01 | 小毛毛雨 | 12°/1° | 0.4 mm |
| 2026-05-02 | 雾 | 7°/1° | 0.0 mm |
| 2026-05-03 | 阴 | 14°/0° | 0.0 mm |
| 2026-05-04 | 阴 | 22°/8° | 0.0 mm |
| 2026-05-05 | 阴 | 24°/15° | 0.0 mm |
| 2026-05-06 | 小雨 | 18°/9° | 7.0 mm |
| 2026-05-07 | 阴 | 15°/3° | 0.0 mm |
| 2026-05-08 | 阴 | 16°/4° | 0.0 mm |
| 2026-05-09 | 毛毛雨 | 18°/9° | 1.5 mm |
| 2026-05-10 | 阴 | 17°/9° | 0.0 mm |
| 2026-05-11 | 阴 | 17°/4° | 0.0 mm |
| 2026-05-12 | 阴 | 20°/3° | 0.0 mm |
| 2026-05-13 | 阴 | 19°/10° | 0.0 mm |
| 2026-05-14 | 小毛毛雨 | 11°/6° | 0.4 mm |
| 2026-05-15 | 阴 | 19°/5° | 0.0 mm |
| 2026-05-16 | 雾 | 22°/7° | 0.0 mm |
| 2026-05-17 | 多云 | 28°/13° | 0.0 mm |
| 2026-05-18 | 阴 | 31°/15° | 0.0 mm |
| 2026-05-19 | 阴 | 30°/21° | 0.0 mm |
| 2026-05-20 | 小毛毛雨 | 23°/12° | 0.4 mm |
| 2026-05-21 | 小毛毛雨 | 18°/9° | 2.4 mm |
| 2026-05-22 | 小雨 | 18°/11° | 9.7 mm |
| 2026-05-23 | 小雨 | 20°/10° | 2.6 mm |
| 2026-05-24 | 中雨 | 23°/13° | 6.9 mm |
| 2026-05-25 | 阴 | 24°/17° | 0.0 mm |
| 2026-05-26 | 小毛毛雨 | 27°/14° | 0.4 mm |
| 2026-05-27 | 毛毛雨 | 23°/19° | 3.0 mm |
| 2026-05-28 | 晴间多云 | 23°/13° | 0.0 mm |
| 2026-05-29 | 晴天 | 24°/8° | 0.0 mm |
| 2026-05-30 | 晴天 | 22°/13° | 0.0 mm |
| 2026-05-31 | 多云 | 23°/7° | 0.0 mm |
2026年05月华盛顿共记录 31 天，平均最高 20℃、最低 9℃，降水日 11 天。