| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-04-01 | 小毛毛雨 | 11°/2° | 0.4 mm |
| 2025-04-02 | 阴 | 10°/5° | 0.0 mm |
| 2025-04-03 | 阴 | 12°/4° | 0.0 mm |
| 2025-04-04 | 多云 | 19°/2° | 0.0 mm |
| 2025-04-05 | 阴 | 22°/6° | 0.0 mm |
| 2025-04-06 | 小雨 | 14°/11° | 7.0 mm |
| 2025-04-07 | 大雨 | 14°/9° | 13.0 mm |
| 2025-04-08 | 小雨 | 12°/8° | 4.2 mm |
| 2025-04-09 | 阴 | 17°/6° | 0.0 mm |
| 2025-04-10 | 小毛毛雨 | 18°/9° | 0.4 mm |
| 2025-04-11 | 阴 | 13°/7° | 0.0 mm |
| 2025-04-12 | 阴 | 12°/4° | 0.0 mm |
| 2025-04-13 | 晴间多云 | 19°/2° | 0.0 mm |
| 2025-04-14 | 晴天 | 24°/5° | 0.0 mm |
| 2025-04-15 | 多云 | 23°/8° | 0.0 mm |
| 2025-04-16 | 阴 | 20°/6° | 0.0 mm |
| 2025-04-17 | 晴天 | 21°/5° | 0.0 mm |
| 2025-04-18 | 晴天 | 25°/5° | 0.0 mm |
| 2025-04-19 | 阴 | 17°/8° | 0.0 mm |
| 2025-04-20 | 大毛毛雨 | 13°/7° | 1.1 mm |
| 2025-04-21 | 阴 | 13°/7° | 0.0 mm |
| 2025-04-22 | 晴间多云 | 17°/3° | 0.0 mm |
| 2025-04-23 | 晴天 | 21°/5° | 0.0 mm |
| 2025-04-24 | 晴间多云 | 25°/6° | 0.0 mm |
| 2025-04-25 | 阴 | 21°/8° | 0.0 mm |
| 2025-04-26 | 阴 | 18°/9° | 0.0 mm |
| 2025-04-27 | 阴 | 15°/5° | 0.0 mm |
| 2025-04-28 | 阴 | 18°/8° | 0.0 mm |
| 2025-04-29 | 小毛毛雨 | 18°/8° | 0.8 mm |
| 2025-04-30 | 阴 | 19°/5° | 0.0 mm |
2025年04月波特兰共记录 30 天，平均最高 17℃、最低 6℃，降水日 7 天。