| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2024-05-01 | 毛毛雨 | 13°/5° | 1.1 mm |
| 2024-05-02 | 中雨 | 15°/6° | 9.4 mm |
| 2024-05-03 | 小毛毛雨 | 17°/5° | 1.2 mm |
| 2024-05-04 | 小雨 | 11°/8° | 15.0 mm |
| 2024-05-05 | 中雨 | 10°/7° | 5.8 mm |
| 2024-05-06 | 小雨 | 12°/7° | 4.5 mm |
| 2024-05-07 | 小雪 | 14°/5° | 8.3 mm |
| 2024-05-08 | 雾 | 18°/4° | 0.0 mm |
| 2024-05-09 | 晴天 | 27°/6° | 0.0 mm |
| 2024-05-10 | 晴天 | 31°/10° | 0.0 mm |
| 2024-05-11 | 晴天 | 31°/12° | 0.0 mm |
| 2024-05-12 | 晴间多云 | 26°/11° | 0.0 mm |
| 2024-05-13 | 阴 | 22°/11° | 0.0 mm |
| 2024-05-14 | 阴 | 24°/9° | 0.0 mm |
| 2024-05-15 | 阴 | 27°/12° | 0.0 mm |
| 2024-05-16 | 小毛毛雨 | 22°/11° | 0.4 mm |
| 2024-05-17 | 阴 | 18°/8° | 0.0 mm |
| 2024-05-18 | 小雨 | 15°/7° | 2.2 mm |
| 2024-05-19 | 阴 | 15°/7° | 0.0 mm |
| 2024-05-20 | 阴 | 19°/6° | 0.0 mm |
| 2024-05-21 | 小雨 | 11°/7° | 4.4 mm |
| 2024-05-22 | 小毛毛雨 | 14°/8° | 0.4 mm |
| 2024-05-23 | 阴 | 16°/8° | 0.0 mm |
| 2024-05-24 | 小毛毛雨 | 16°/9° | 0.4 mm |
| 2024-05-25 | 阴 | 14°/9° | 0.0 mm |
| 2024-05-26 | 多云 | 21°/8° | 0.0 mm |
| 2024-05-27 | 阴 | 22°/9° | 0.0 mm |
| 2024-05-28 | 中雨 | 15°/12° | 7.2 mm |
| 2024-05-29 | 中雨 | 17°/10° | 8.7 mm |
| 2024-05-30 | 多云 | 19°/6° | 0.0 mm |
| 2024-05-31 | 阴 | 26°/7° | 0.0 mm |
2024年05月波特兰共记录 31 天，平均最高 18℃、最低 8℃，降水日 14 天。