| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-01-01 | 晴天 | 16°/3° | 0.0 mm |
| 2026-01-02 | 阴 | 16°/6° | 0.0 mm |
| 2026-01-03 | 大雨 | 13°/10° | 31.7 mm |
| 2026-01-04 | 雾 | 12°/7° | 0.0 mm |
| 2026-01-05 | 雾 | 16°/5° | 0.0 mm |
| 2026-01-06 | 雾 | 18°/8° | 0.0 mm |
| 2026-01-07 | 阴 | 21°/12° | 0.0 mm |
| 2026-01-08 | 阴 | 20°/10° | 0.0 mm |
| 2026-01-09 | 雾 | 25°/14° | 0.0 mm |
| 2026-01-10 | 阴 | 25°/17° | 0.0 mm |
| 2026-01-11 | 阴 | 18°/5° | 0.0 mm |
| 2026-01-12 | 阴 | 10°/-3° | 0.0 mm |
| 2026-01-13 | 晴天 | 15°/-3° | 0.0 mm |
| 2026-01-14 | 阴 | 12°/3° | 0.0 mm |
| 2026-01-15 | 阴 | 9°/-1° | 0.0 mm |
| 2026-01-16 | 晴天 | 10°/-6° | 0.0 mm |
| 2026-01-17 | 阴 | 16°/3° | 0.0 mm |
| 2026-01-18 | 大雪 | 9°/0° | 13.6 mm |
| 2026-01-19 | 晴天 | 9°/-2° | 0.0 mm |
| 2026-01-20 | 阴 | 10°/-2° | 0.0 mm |
| 2026-01-21 | 阴 | 13°/-4° | 0.0 mm |
| 2026-01-22 | 阴 | 16°/5° | 0.0 mm |
| 2026-01-23 | 阴 | 13°/9° | 0.0 mm |
| 2026-01-24 | 阴 | 9°/5° | 0.0 mm |
| 2026-01-25 | 中雨 | 4°/-1° | 10.5 mm |
| 2026-01-26 | 中雨 | 5°/-2° | 6.1 mm |
| 2026-01-27 | 阴 | 6°/-7° | 0.0 mm |
| 2026-01-28 | 阴 | 10°/0° | 0.0 mm |
| 2026-01-29 | 阴 | 10°/-2° | 0.0 mm |
| 2026-01-30 | 阴 | 12°/-2° | 0.0 mm |
| 2026-01-31 | 中雪 | 4°/-4° | 1.2 mm |
2026年01月华盛顿共记录 31 天，平均最高 12℃、最低 2℃，降水日 5 天。