| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-01-01 | 阴 | 11°/0° | 0.0 mm |
| 2026-01-02 | 阴 | 15°/0° | 0.0 mm |
| 2026-01-03 | 小毛毛雨 | 6°/2° | 0.8 mm |
| 2026-01-04 | 多云 | 8°/0° | 0.0 mm |
| 2026-01-05 | 阴 | 13°/-1° | 0.0 mm |
| 2026-01-06 | 雾 | 19°/3° | 0.0 mm |
| 2026-01-07 | 阴 | 22°/9° | 0.0 mm |
| 2026-01-08 | 多云 | 16°/5° | 0.0 mm |
| 2026-01-09 | 阴 | 23°/4° | 0.0 mm |
| 2026-01-10 | 雾 | 22°/13° | 0.0 mm |
| 2026-01-11 | 大雨 | 18°/2° | 8.0 mm |
| 2026-01-12 | 晴天 | 9°/0° | 0.0 mm |
| 2026-01-13 | 晴天 | 14°/-1° | 0.0 mm |
| 2026-01-14 | 阴 | 13°/3° | 0.0 mm |
| 2026-01-15 | 阴 | 7°/-1° | 0.0 mm |
| 2026-01-16 | 晴天 | 7°/-4° | 0.0 mm |
| 2026-01-17 | 阴 | 18°/0° | 0.0 mm |
| 2026-01-18 | 中雨 | 7°/3° | 14.1 mm |
| 2026-01-19 | 阴 | 8°/-1° | 0.0 mm |
| 2026-01-20 | 晴天 | 6°/-3° | 0.0 mm |
| 2026-01-21 | 阴 | 10°/-7° | 0.0 mm |
| 2026-01-22 | 阴 | 17°/2° | 0.0 mm |
| 2026-01-23 | 阴 | 11°/4° | 0.0 mm |
| 2026-01-24 | 阴 | 4°/-3° | 0.0 mm |
| 2026-01-25 | 中雨 | 3°/-2° | 8.5 mm |
| 2026-01-26 | 中雨 | 2°/-1° | 14.4 mm |
| 2026-01-27 | 晴天 | 1°/-7° | 0.0 mm |
| 2026-01-28 | 阴 | 3°/-3° | 0.0 mm |
| 2026-01-29 | 阴 | 1°/-4° | 0.0 mm |
| 2026-01-30 | 阴 | 1°/-7° | 0.0 mm |
| 2026-01-31 | 大雪 | -2°/-6° | 17.6 mm |
2026年01月华盛顿共记录 31 天，平均最高 10℃、最低 0℃，降水日 6 天。