| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-01-01 | 阴 | 2°/-4° | 0.0 mm |
| 2026-01-02 | 阴 | 3°/-2° | 0.0 mm |
| 2026-01-03 | 阴 | 2°/-3° | 0.0 mm |
| 2026-01-04 | 阴 | 5°/0° | 0.0 mm |
| 2026-01-05 | 阴 | 5°/-3° | 0.0 mm |
| 2026-01-06 | 阴 | 9°/0° | 0.0 mm |
| 2026-01-07 | 阴 | 17°/2° | 0.0 mm |
| 2026-01-08 | 阴 | 13°/0° | 0.0 mm |
| 2026-01-09 | 小雨 | 10°/2° | 1.8 mm |
| 2026-01-10 | 大雨 | 10°/6° | 20.6 mm |
| 2026-01-11 | 阴 | 8°/1° | 0.0 mm |
| 2026-01-12 | 多云 | 9°/0° | 0.0 mm |
| 2026-01-13 | 阴 | 11°/-2° | 0.0 mm |
| 2026-01-14 | 阴 | 11°/7° | 0.0 mm |
| 2026-01-15 | 阴 | 7°/-5° | 0.0 mm |
| 2026-01-16 | 阴 | 1°/-5° | 0.0 mm |
| 2026-01-17 | 中雪 | 6°/0° | 1.1 mm |
| 2026-01-18 | 中雪 | 3°/-1° | 2.5 mm |
| 2026-01-19 | 阴 | 5°/-5° | 0.0 mm |
| 2026-01-20 | 阴 | 0°/-6° | 0.0 mm |
| 2026-01-21 | 阴 | 5°/-9° | 0.0 mm |
| 2026-01-22 | 阴 | 13°/3° | 0.0 mm |
| 2026-01-23 | 阴 | 7°/-2° | 0.0 mm |
| 2026-01-24 | 阴 | -5°/-12° | 0.0 mm |
| 2026-01-25 | 大雪 | -3°/-9° | 45.8 mm |
| 2026-01-26 | 雾 | -2°/-7° | 0.0 mm |
| 2026-01-27 | 阴 | -1°/-11° | 0.0 mm |
| 2026-01-28 | 阴 | -3°/-10° | 0.0 mm |
| 2026-01-29 | 阴 | -4°/-11° | 0.0 mm |
| 2026-01-30 | 阴 | -6°/-12° | 0.0 mm |
| 2026-01-31 | 阴 | -5°/-13° | 0.0 mm |
2026年01月华盛顿共记录 31 天，平均最高 4℃、最低 -3℃，降水日 5 天。