| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-05-01 | 小毛毛雨 | 20°/14° | 0.4 mm |
| 2026-05-02 | 中雨 | 19°/12° | 12.3 mm |
| 2026-05-03 | 阴 | 22°/8° | 0.0 mm |
| 2026-05-04 | 阴 | 25°/7° | 0.0 mm |
| 2026-05-05 | 晴间多云 | 28°/11° | 0.0 mm |
| 2026-05-06 | 小毛毛雨 | 30°/15° | 0.4 mm |
| 2026-05-07 | 大雨 | 25°/19° | 33.9 mm |
| 2026-05-08 | 阴 | 22°/13° | 0.0 mm |
| 2026-05-09 | 阴 | 22°/15° | 0.0 mm |
| 2026-05-10 | 雾 | 29°/16° | 0.0 mm |
| 2026-05-11 | 阴 | 29°/17° | 0.0 mm |
| 2026-05-12 | 阴 | 22°/17° | 0.0 mm |
| 2026-05-13 | 阴 | 26°/15° | 0.0 mm |
| 2026-05-14 | 晴间多云 | 27°/15° | 0.0 mm |
| 2026-05-15 | 晴天 | 26°/11° | 0.0 mm |
| 2026-05-16 | 阴 | 30°/12° | 0.0 mm |
| 2026-05-17 | 雾 | 31°/19° | 0.0 mm |
| 2026-05-18 | 阴 | 31°/16° | 0.0 mm |
| 2026-05-19 | 阴 | 31°/16° | 0.0 mm |
| 2026-05-20 | 阴 | 33°/19° | 0.0 mm |
| 2026-05-21 | 多云 | 33°/19° | 0.0 mm |
| 2026-05-22 | 小毛毛雨 | 32°/21° | 0.4 mm |
| 2026-05-23 | 大雨 | 26°/21° | 12.2 mm |
| 2026-05-24 | 大雨 | 30°/21° | 55.5 mm |
| 2026-05-25 | 强阵雨 | 27°/20° | 11.9 mm |
| 2026-05-26 | 雾 | 29°/21° | 0.0 mm |
| 2026-05-27 | 阴 | 29°/21° | 0.0 mm |
| 2026-05-28 | 阴 | 30°/22° | 0.0 mm |
| 2026-05-29 | 中雨 | 30°/21° | 4.0 mm |
| 2026-05-30 | 阴 | 29°/21° | 0.0 mm |
| 2026-05-31 | 小毛毛雨 | 23°/19° | 0.8 mm |
2026年05月华盛顿共记录 31 天，平均最高 27℃、最低 16℃，降水日 10 天。