| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-01-01 | 中雪 | -11°/-16° | 1.1 mm |
| 2026-01-02 | 雾 | -9°/-14° | 0.0 mm |
| 2026-01-03 | 雾 | -6°/-11° | 0.0 mm |
| 2026-01-04 | 雾 | -1°/-14° | 0.0 mm |
| 2026-01-05 | 雾 | 0°/-6° | 0.0 mm |
| 2026-01-06 | 强冻雨 | 0°/0° | 10.1 mm |
| 2026-01-07 | 雾 | 4°/-3° | 0.0 mm |
| 2026-01-08 | 小雨 | 1°/-2° | 2.1 mm |
| 2026-01-09 | 雾 | 1°/-2° | 0.0 mm |
| 2026-01-10 | 阴 | -1°/-8° | 0.0 mm |
| 2026-01-11 | 雾 | -3°/-8° | 0.0 mm |
| 2026-01-12 | 雾 | 5°/-4° | 0.0 mm |
| 2026-01-13 | 雾 | 6°/0° | 0.0 mm |
| 2026-01-14 | 阴 | 0°/-11° | 0.0 mm |
| 2026-01-15 | 雾 | -2°/-13° | 0.0 mm |
| 2026-01-16 | 小毛毛雨 | 0°/-11° | 0.1 mm |
| 2026-01-17 | 阴 | -10°/-17° | 0.0 mm |
| 2026-01-18 | 阴 | -11°/-19° | 0.0 mm |
| 2026-01-19 | 阴 | -17°/-22° | 0.0 mm |
| 2026-01-20 | 阴 | -11°/-21° | 0.0 mm |
| 2026-01-21 | 阴 | -6°/-12° | 0.0 mm |
| 2026-01-22 | 阴 | -11°/-27° | 0.0 mm |
| 2026-01-23 | 阴 | -22°/-30° | 0.0 mm |
| 2026-01-24 | 阴 | -19°/-28° | 0.0 mm |
| 2026-01-25 | 阴 | -15°/-26° | 0.0 mm |
| 2026-01-26 | 阴 | -10°/-25° | 0.0 mm |
| 2026-01-27 | 阴 | -12°/-17° | 0.0 mm |
| 2026-01-28 | 阴 | -12°/-18° | 0.0 mm |
| 2026-01-29 | 阴 | -11°/-22° | 0.0 mm |
| 2026-01-30 | 阴 | -12°/-18° | 0.0 mm |
| 2026-01-31 | 雾 | -6°/-19° | 0.0 mm |
2026年01月华盛顿共记录 31 天，平均最高 -6℃、最低 -14℃，降水日 4 天。