| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-04-01 | 阴 | 26°/17° | 0.0 mm |
| 2026-04-02 | 阴 | 26°/17° | 0.0 mm |
| 2026-04-03 | 阴 | 28°/19° | 0.0 mm |
| 2026-04-04 | 中雨 | 25°/16° | 11.3 mm |
| 2026-04-05 | 中雨 | 15°/6° | 8.0 mm |
| 2026-04-06 | 阴 | 18°/4° | 0.0 mm |
| 2026-04-07 | 阴 | 18°/5° | 0.0 mm |
| 2026-04-08 | 阴 | 23°/6° | 0.0 mm |
| 2026-04-09 | 多云 | 23°/10° | 0.0 mm |
| 2026-04-10 | 多云 | 25°/9° | 0.0 mm |
| 2026-04-11 | 多云 | 26°/10° | 0.0 mm |
| 2026-04-12 | 雾 | 27°/11° | 0.0 mm |
| 2026-04-13 | 阴 | 24°/17° | 0.0 mm |
| 2026-04-14 | 阴 | 27°/16° | 0.0 mm |
| 2026-04-15 | 阴 | 28°/16° | 0.0 mm |
| 2026-04-16 | 中雨 | 27°/14° | 3.6 mm |
| 2026-04-17 | 阴 | 28°/13° | 0.0 mm |
| 2026-04-18 | 大毛毛雨 | 22°/8° | 1.1 mm |
| 2026-04-19 | 阴 | 17°/4° | 0.0 mm |
| 2026-04-20 | 晴间多云 | 22°/4° | 0.0 mm |
| 2026-04-21 | 阴 | 26°/6° | 0.0 mm |
| 2026-04-22 | 晴间多云 | 26°/9° | 0.0 mm |
| 2026-04-23 | 多云 | 26°/9° | 0.0 mm |
| 2026-04-24 | 阴 | 25°/13° | 0.0 mm |
| 2026-04-25 | 阴 | 24°/15° | 0.0 mm |
| 2026-04-26 | 阴 | 26°/12° | 0.0 mm |
| 2026-04-27 | 阴 | 27°/14° | 0.0 mm |
| 2026-04-28 | 雷阵雨 | 25°/17° | 93.3 mm |
| 2026-04-29 | 大雨 | 20°/15° | 8.6 mm |
| 2026-04-30 | 阴 | 16°/9° | 0.0 mm |
2026年04月威廉森共记录 30 天，平均最高 23℃、最低 11℃，降水日 6 天。