| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-01-01 | 阴 | 1°/-5° | 0.0 mm |
| 2026-01-02 | 阴 | 2°/-3° | 0.0 mm |
| 2026-01-03 | 阴 | 0°/-4° | 0.0 mm |
| 2026-01-04 | 阴 | 3°/-3° | 0.0 mm |
| 2026-01-05 | 阴 | 5°/-5° | 0.0 mm |
| 2026-01-06 | 阴 | 6°/-2° | 0.0 mm |
| 2026-01-07 | 阴 | 13°/1° | 0.0 mm |
| 2026-01-08 | 阴 | 13°/-1° | 0.0 mm |
| 2026-01-09 | 阴 | 10°/5° | 0.0 mm |
| 2026-01-10 | 中雨 | 8°/6° | 11.2 mm |
| 2026-01-11 | 雾 | 7°/0° | 0.0 mm |
| 2026-01-12 | 阴 | 6°/0° | 0.0 mm |
| 2026-01-13 | 阴 | 10°/-1° | 0.0 mm |
| 2026-01-14 | 阴 | 9°/4° | 0.0 mm |
| 2026-01-15 | 阴 | 5°/-7° | 0.0 mm |
| 2026-01-16 | 阴 | 0°/-8° | 0.0 mm |
| 2026-01-17 | 中雪 | 8°/-1° | 0.4 mm |
| 2026-01-18 | 阴 | 2°/-4° | 0.0 mm |
| 2026-01-19 | 多云 | 2°/-6° | 0.0 mm |
| 2026-01-20 | 晴天 | -3°/-10° | 0.0 mm |
| 2026-01-21 | 阴 | 4°/-12° | 0.0 mm |
| 2026-01-22 | 阴 | 9°/1° | 0.0 mm |
| 2026-01-23 | 阴 | 4°/-9° | 0.0 mm |
| 2026-01-24 | 阴 | -9°/-14° | 0.0 mm |
| 2026-01-25 | 大雪 | -9°/-11° | 34.2 mm |
| 2026-01-26 | 雾 | -5°/-10° | 0.0 mm |
| 2026-01-27 | 雾 | -4°/-15° | 0.0 mm |
| 2026-01-28 | 阴 | -5°/-14° | 0.0 mm |
| 2026-01-29 | 阴 | -6°/-14° | 0.0 mm |
| 2026-01-30 | 雾 | -7°/-15° | 0.0 mm |
| 2026-01-31 | 雾 | -6°/-17° | 0.0 mm |
2026年01月华盛顿共记录 31 天，平均最高 2℃、最低 -5℃，降水日 3 天。