| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-05-01 | 中雨 | 16°/8° | 2.5 mm |
| 2026-05-02 | 阴 | 14°/7° | 0.0 mm |
| 2026-05-03 | 晴天 | 22°/5° | 0.0 mm |
| 2026-05-04 | 阴 | 26°/14° | 0.0 mm |
| 2026-05-05 | 中雨 | 20°/8° | 21.2 mm |
| 2026-05-06 | 小雨 | 15°/7° | 2.2 mm |
| 2026-05-07 | 晴间多云 | 18°/4° | 0.0 mm |
| 2026-05-08 | 小雨 | 23°/9° | 2.9 mm |
| 2026-05-09 | 中雨 | 25°/12° | 3.2 mm |
| 2026-05-10 | 阴 | 21°/14° | 0.0 mm |
| 2026-05-11 | 阴 | 24°/7° | 0.0 mm |
| 2026-05-12 | 阴 | 26°/10° | 0.0 mm |
| 2026-05-13 | 晴间多云 | 23°/13° | 0.0 mm |
| 2026-05-14 | 晴间多云 | 22°/7° | 0.0 mm |
| 2026-05-15 | 阴 | 28°/13° | 0.0 mm |
| 2026-05-16 | 阴 | 26°/20° | 0.0 mm |
| 2026-05-17 | 阴 | 30°/20° | 0.0 mm |
| 2026-05-18 | 中雨 | 27°/18° | 3.7 mm |
| 2026-05-19 | 阴 | 28°/18° | 0.0 mm |
| 2026-05-20 | 阴 | 19°/14° | 0.0 mm |
| 2026-05-21 | 阴 | 19°/12° | 0.0 mm |
| 2026-05-22 | 大雨 | 20°/15° | 7.9 mm |
| 2026-05-23 | 小毛毛雨 | 22°/16° | 0.4 mm |
| 2026-05-24 | 雾 | 25°/17° | 0.0 mm |
| 2026-05-25 | 雾 | 26°/13° | 0.0 mm |
| 2026-05-26 | 小雨 | 26°/16° | 2.2 mm |
| 2026-05-27 | 阴 | 26°/20° | 0.0 mm |
| 2026-05-28 | 雾 | 30°/18° | 0.0 mm |
| 2026-05-29 | 阴 | 27°/18° | 0.0 mm |
| 2026-05-30 | 阴 | 28°/20° | 0.0 mm |
| 2026-05-31 | 阴 | 28°/19° | 0.0 mm |
2026年05月华盛顿共记录 31 天，平均最高 23℃、最低 13℃，降水日 9 天。