| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-01-01 | 中雪 | 0°/-12° | 3.3 mm |
| 2026-01-02 | 阴 | -3°/-12° | 0.0 mm |
| 2026-01-03 | 阴 | -4°/-14° | 0.0 mm |
| 2026-01-04 | 阴 | -2°/-7° | 0.0 mm |
| 2026-01-05 | 雾 | 5°/-8° | 0.0 mm |
| 2026-01-06 | 阴 | 10°/0° | 0.0 mm |
| 2026-01-07 | 阴 | 9°/5° | 0.0 mm |
| 2026-01-08 | 阴 | 12°/0° | 0.0 mm |
| 2026-01-09 | 小雨 | 17°/6° | 2.1 mm |
| 2026-01-10 | 小雨 | 10°/2° | 4.8 mm |
| 2026-01-11 | 中雪 | 4°/-2° | 0.8 mm |
| 2026-01-12 | 阴 | 1°/-2° | 0.0 mm |
| 2026-01-13 | 阴 | 10°/-1° | 0.0 mm |
| 2026-01-14 | 中雪 | 9°/0° | 3.4 mm |
| 2026-01-15 | 中雪 | -1°/-10° | 1.1 mm |
| 2026-01-16 | 阴 | 0°/-10° | 0.0 mm |
| 2026-01-17 | 中雪 | 3°/-3° | 2.6 mm |
| 2026-01-18 | 阴 | -2°/-8° | 0.0 mm |
| 2026-01-19 | 阴 | -3°/-13° | 0.0 mm |
| 2026-01-20 | 阴 | -7°/-15° | 0.0 mm |
| 2026-01-21 | 中雪 | 2°/-13° | 0.8 mm |
| 2026-01-22 | 小毛毛雨 | 2°/-3° | 0.4 mm |
| 2026-01-23 | 阴 | -3°/-14° | 0.0 mm |
| 2026-01-24 | 阴 | -11°/-17° | 0.0 mm |
| 2026-01-25 | 大雪 | -4°/-11° | 27.7 mm |
| 2026-01-26 | 阴 | -8°/-12° | 0.0 mm |
| 2026-01-27 | 小毛毛雨 | -8°/-17° | 0.1 mm |
| 2026-01-28 | 小毛毛雨 | -10°/-18° | 0.2 mm |
| 2026-01-29 | 阴 | -8°/-15° | 0.0 mm |
| 2026-01-30 | 阴 | -10°/-20° | 0.0 mm |
| 2026-01-31 | 阴 | -9°/-24° | 0.0 mm |
2026年01月华盛顿共记录 31 天，平均最高 0℃、最低 -8℃，降水日 12 天。