| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2024-01-01 | 雾 | 7°/3° | 0.0 mm |
| 2024-01-02 | 大毛毛雨 | 5°/4° | 1.1 mm |
| 2024-01-03 | 大毛毛雨 | 8°/4° | 1.5 mm |
| 2024-01-04 | 中雨 | 8°/4° | 9.1 mm |
| 2024-01-05 | 雾 | 9°/2° | 0.0 mm |
| 2024-01-06 | 中雨 | 7°/4° | 23.2 mm |
| 2024-01-07 | 中雨 | 7°/3° | 2.5 mm |
| 2024-01-08 | 小雨 | 9°/4° | 6.6 mm |
| 2024-01-09 | 大雪 | 9°/1° | 30.0 mm |
| 2024-01-10 | 中雪 | 5°/0° | 5.9 mm |
| 2024-01-11 | 中雨 | 6°/3° | 7.4 mm |
| 2024-01-12 | 小毛毛雨 | 4°/-7° | 0.8 mm |
| 2024-01-13 | 大雪 | -7°/-10° | 7.6 mm |
| 2024-01-14 | 雾 | -5°/-9° | 0.0 mm |
| 2024-01-15 | 雾 | -2°/-8° | 0.0 mm |
| 2024-01-16 | 强冻雨 | -3°/-8° | 5.4 mm |
| 2024-01-17 | 冻雨 | 0°/-4° | 7.6 mm |
| 2024-01-18 | 冻雨 | 2°/0° | 19.3 mm |
| 2024-01-19 | 阴 | 3°/0° | 0.0 mm |
| 2024-01-20 | 毛毛雨 | 5°/1° | 1.8 mm |
| 2024-01-21 | 小雨 | 7°/2° | 13.0 mm |
| 2024-01-22 | 大雨 | 11°/4° | 26.5 mm |
| 2024-01-23 | 毛毛雨 | 10°/5° | 0.7 mm |
| 2024-01-24 | 小雨 | 11°/4° | 8.3 mm |
| 2024-01-25 | 小毛毛雨 | 10°/5° | 0.8 mm |
| 2024-01-26 | 中雨 | 7°/5° | 15.6 mm |
| 2024-01-27 | 中雨 | 13°/5° | 32.2 mm |
| 2024-01-28 | 中雨 | 14°/7° | 4.0 mm |
| 2024-01-29 | 阴 | 14°/6° | 0.0 mm |
| 2024-01-30 | 阴 | 12°/6° | 0.0 mm |
| 2024-01-31 | 小毛毛雨 | 12°/6° | 0.4 mm |
2024年01月波特兰共记录 31 天，平均最高 6℃、最低 1℃，降水日 24 天。