| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-01-01 | 中雪 | -3°/-13° | 1.3 mm |
| 2026-01-02 | 阴 | -5°/-17° | 0.0 mm |
| 2026-01-03 | 阴 | -3°/-10° | 0.0 mm |
| 2026-01-04 | 阴 | -6°/-12° | 0.0 mm |
| 2026-01-05 | 中雪 | -8°/-17° | 2.6 mm |
| 2026-01-06 | 中雪 | 0°/-7° | 2.5 mm |
| 2026-01-07 | 大雪 | 0°/-1° | 11.3 mm |
| 2026-01-08 | 雾 | 4°/-3° | 0.0 mm |
| 2026-01-09 | 大毛毛雨 | 6°/-6° | 2.2 mm |
| 2026-01-10 | 小雪 | 6°/-1° | 5.4 mm |
| 2026-01-11 | 小雪 | 3°/-3° | 14.7 mm |
| 2026-01-12 | 阴 | 1°/-5° | 0.0 mm |
| 2026-01-13 | 阴 | 3°/0° | 0.0 mm |
| 2026-01-14 | 阴 | 6°/0° | 0.0 mm |
| 2026-01-15 | 小雨 | 3°/-5° | 4.4 mm |
| 2026-01-16 | 阴 | -3°/-12° | 0.0 mm |
| 2026-01-17 | 中雪 | -1°/-6° | 4.5 mm |
| 2026-01-18 | 阴 | 0°/-2° | 0.0 mm |
| 2026-01-19 | 阴 | -3°/-6° | 0.0 mm |
| 2026-01-20 | 阴 | -7°/-11° | 0.0 mm |
| 2026-01-21 | 中雪 | -6°/-14° | 1.1 mm |
| 2026-01-22 | 阴 | 0°/-7° | 0.0 mm |
| 2026-01-23 | 阴 | -4°/-12° | 0.0 mm |
| 2026-01-24 | 阴 | -13°/-20° | 0.0 mm |
| 2026-01-25 | 大雪 | -14°/-18° | 11.7 mm |
| 2026-01-26 | 中雪 | -9°/-14° | 5.0 mm |
| 2026-01-27 | 雾 | -9°/-24° | 0.0 mm |
| 2026-01-28 | 阴 | -7°/-25° | 0.0 mm |
| 2026-01-29 | 阴 | -8°/-23° | 0.0 mm |
| 2026-01-30 | 阴 | -11°/-23° | 0.0 mm |
| 2026-01-31 | 阴 | -9°/-17° | 0.0 mm |
2026年01月华盛顿共记录 31 天，平均最高 -3℃、最低 -10℃，降水日 12 天。