| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-01-01 | 小雨 | 4°/0° | 5.3 mm |
| 2026-01-02 | 毛毛雨 | 7°/3° | 1.1 mm |
| 2026-01-03 | 大雨 | 10°/5° | 15.9 mm |
| 2026-01-04 | 小雨 | 9°/5° | 6.2 mm |
| 2026-01-05 | 雾 | 9°/2° | 0.0 mm |
| 2026-01-06 | 中雨 | 8°/1° | 25.4 mm |
| 2026-01-07 | 中雨 | 6°/2° | 10.4 mm |
| 2026-01-08 | 中雨 | 7°/0° | 4.7 mm |
| 2026-01-09 | 雾 | 8°/1° | 0.0 mm |
| 2026-01-10 | 雾 | 7°/1° | 0.0 mm |
| 2026-01-11 | 阴 | 10°/3° | 0.0 mm |
| 2026-01-12 | 阴 | 12°/4° | 0.0 mm |
| 2026-01-13 | 雾 | 9°/0° | 0.0 mm |
| 2026-01-14 | 雾 | 7°/1° | 0.0 mm |
| 2026-01-15 | 雾 | 14°/3° | 0.0 mm |
| 2026-01-16 | 晴天 | 12°/1° | 0.0 mm |
| 2026-01-17 | 晴天 | 10°/1° | 0.0 mm |
| 2026-01-18 | 晴间多云 | 8°/-1° | 0.0 mm |
| 2026-01-19 | 晴天 | 9°/-1° | 0.0 mm |
| 2026-01-20 | 阴 | 8°/-5° | 0.0 mm |
| 2026-01-21 | 阴 | 6°/-4° | 0.0 mm |
| 2026-01-22 | 阴 | 4°/-5° | 0.0 mm |
| 2026-01-23 | 雾 | 6°/0° | 0.0 mm |
| 2026-01-24 | 晴天 | 8°/-2° | 0.0 mm |
| 2026-01-25 | 阴 | 6°/-6° | 0.0 mm |
| 2026-01-26 | 阴 | 7°/-1° | 0.0 mm |
| 2026-01-27 | 毛毛雨 | 7°/0° | 0.5 mm |
| 2026-01-28 | 大毛毛雨 | 9°/2° | 1.7 mm |
| 2026-01-29 | 小雨 | 10°/6° | 5.1 mm |
| 2026-01-30 | 小毛毛雨 | 10°/6° | 0.4 mm |
| 2026-01-31 | 雾 | 13°/6° | 0.0 mm |
2026年01月华盛顿共记录 31 天，平均最高 8℃、最低 0℃，降水日 11 天。