| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-01-01 | 阴 | 20°/3° | 0.0 mm |
| 2026-01-02 | 阴 | 18°/8° | 0.0 mm |
| 2026-01-03 | 阴 | 22°/13° | 0.0 mm |
| 2026-01-04 | 雾 | 16°/8° | 0.0 mm |
| 2026-01-05 | 阴 | 21°/7° | 0.0 mm |
| 2026-01-06 | 雾 | 24°/14° | 0.0 mm |
| 2026-01-07 | 阴 | 24°/16° | 0.0 mm |
| 2026-01-08 | 雾 | 24°/16° | 0.0 mm |
| 2026-01-09 | 中阵雨 | 23°/19° | 3.2 mm |
| 2026-01-10 | 强阵雨 | 22°/14° | 28.8 mm |
| 2026-01-11 | 阴 | 13°/5° | 0.0 mm |
| 2026-01-12 | 阴 | 11°/0° | 0.0 mm |
| 2026-01-13 | 晴天 | 16°/-3° | 0.0 mm |
| 2026-01-14 | 中雨 | 14°/6° | 10.5 mm |
| 2026-01-15 | 晴天 | 8°/0° | 0.0 mm |
| 2026-01-16 | 晴间多云 | 17°/-2° | 0.0 mm |
| 2026-01-17 | 小雨 | 12°/5° | 1.4 mm |
| 2026-01-18 | 阴 | 8°/0° | 0.0 mm |
| 2026-01-19 | 晴天 | 12°/-3° | 0.0 mm |
| 2026-01-20 | 多云 | 13°/0° | 0.0 mm |
| 2026-01-21 | 阴 | 18°/2° | 0.0 mm |
| 2026-01-22 | 大雨 | 14°/11° | 10.2 mm |
| 2026-01-23 | 雾 | 14°/9° | 0.0 mm |
| 2026-01-24 | 中雨 | 15°/5° | 10.1 mm |
| 2026-01-25 | 大雨 | 20°/0° | 12.0 mm |
| 2026-01-26 | 阴 | 3°/-3° | 0.0 mm |
| 2026-01-27 | 阴 | 8°/-5° | 0.0 mm |
| 2026-01-28 | 阴 | 11°/-2° | 0.0 mm |
| 2026-01-29 | 阴 | 14°/-3° | 0.0 mm |
| 2026-01-30 | 阴 | 13°/0° | 0.0 mm |
| 2026-01-31 | 晴间多云 | 3°/-3° | 0.0 mm |
2026年01月华盛顿共记录 31 天，平均最高 15℃、最低 4℃，降水日 7 天。