| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-01-01 | 雾 | 7°/-1° | 0.0 mm |
| 2026-01-02 | 雾 | 0°/-1° | 0.0 mm |
| 2026-01-03 | 阴 | 3°/-1° | 0.0 mm |
| 2026-01-04 | 阴 | 8°/-5° | 0.0 mm |
| 2026-01-05 | 阴 | 16°/0° | 0.0 mm |
| 2026-01-06 | 阴 | 20°/8° | 0.0 mm |
| 2026-01-07 | 阴 | 18°/0° | 0.0 mm |
| 2026-01-08 | 大雨 | 17°/8° | 24.6 mm |
| 2026-01-09 | 阴 | 17°/4° | 0.0 mm |
| 2026-01-10 | 阴 | 7°/2° | 0.0 mm |
| 2026-01-11 | 阴 | 4°/-3° | 0.0 mm |
| 2026-01-12 | 晴天 | 15°/-4° | 0.0 mm |
| 2026-01-13 | 小毛毛雨 | 18°/5° | 0.4 mm |
| 2026-01-14 | 大毛毛雨 | 7°/-1° | 1.8 mm |
| 2026-01-15 | 阴 | 1°/-7° | 0.0 mm |
| 2026-01-16 | 中雪 | 5°/0° | 0.6 mm |
| 2026-01-17 | 阴 | -1°/-10° | 0.0 mm |
| 2026-01-18 | 晴间多云 | -1°/-13° | 0.0 mm |
| 2026-01-19 | 晴间多云 | -3°/-10° | 0.0 mm |
| 2026-01-20 | 雾 | 4°/-11° | 0.0 mm |
| 2026-01-21 | 阴 | 9°/0° | 0.0 mm |
| 2026-01-22 | 阴 | 5°/-5° | 0.0 mm |
| 2026-01-23 | 阴 | -1°/-15° | 0.0 mm |
| 2026-01-24 | 中雪 | -13°/-17° | 9.2 mm |
| 2026-01-25 | 大雪 | -10°/-15° | 12.0 mm |
| 2026-01-26 | 多云 | -7°/-21° | 0.0 mm |
| 2026-01-27 | 雾 | 0°/-9° | 0.0 mm |
| 2026-01-28 | 雾 | 1°/-6° | 0.0 mm |
| 2026-01-29 | 阴 | 0°/-4° | 0.0 mm |
| 2026-01-30 | 雾 | -4°/-11° | 0.0 mm |
| 2026-01-31 | 雾 | -6°/-13° | 0.0 mm |
2026年01月华盛顿共记录 31 天，平均最高 4℃、最低 -5℃，降水日 6 天。