| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-01-01 | 晴天 | 19°/2° | 0.0 mm |
| 2026-01-02 | 阴 | 20°/7° | 0.0 mm |
| 2026-01-03 | 强阵雨 | 21°/15° | 101.4 mm |
| 2026-01-04 | 雾 | 18°/11° | 0.0 mm |
| 2026-01-05 | 雾 | 16°/10° | 0.0 mm |
| 2026-01-06 | 雾 | 23°/11° | 0.0 mm |
| 2026-01-07 | 雾 | 23°/17° | 0.0 mm |
| 2026-01-08 | 雾 | 23°/17° | 0.0 mm |
| 2026-01-09 | 雾 | 25°/14° | 0.0 mm |
| 2026-01-10 | 毛毛雨 | 25°/20° | 0.7 mm |
| 2026-01-11 | 阴 | 19°/7° | 0.0 mm |
| 2026-01-12 | 阴 | 11°/0° | 0.0 mm |
| 2026-01-13 | 晴天 | 15°/0° | 0.0 mm |
| 2026-01-14 | 小毛毛雨 | 14°/6° | 0.4 mm |
| 2026-01-15 | 小毛毛雨 | 11°/0° | 0.4 mm |
| 2026-01-16 | 晴间多云 | 15°/-2° | 0.0 mm |
| 2026-01-17 | 小雨 | 18°/8° | 2.1 mm |
| 2026-01-18 | 中雪 | 8°/0° | 16.6 mm |
| 2026-01-19 | 晴天 | 12°/0° | 0.0 mm |
| 2026-01-20 | 晴间多云 | 15°/0° | 0.0 mm |
| 2026-01-21 | 阴 | 16°/3° | 0.0 mm |
| 2026-01-22 | 阴 | 22°/10° | 0.0 mm |
| 2026-01-23 | 小毛毛雨 | 20°/11° | 0.8 mm |
| 2026-01-24 | 阴 | 20°/12° | 0.0 mm |
| 2026-01-25 | 中雨 | 23°/15° | 9.7 mm |
| 2026-01-26 | 雾 | 14°/0° | 0.0 mm |
| 2026-01-27 | 多云 | 8°/-4° | 0.0 mm |
| 2026-01-28 | 阴 | 12°/-3° | 0.0 mm |
| 2026-01-29 | 阴 | 15°/-4° | 0.0 mm |
| 2026-01-30 | 阴 | 16°/0° | 0.0 mm |
| 2026-01-31 | 阴 | 7°/-3° | 0.0 mm |
2026年01月华盛顿共记录 31 天，平均最高 16℃、最低 5℃，降水日 8 天。