Current conditions and the National Weather Service 7-day forecast for ZIP code 98040, Mercer Island, Washington — temperature, rain chance, wind, radar and alerts.
Saturday Aug 29 night: a low around 56°F. Sunday Aug 30: a high near 68°F and a low around 56°F. Highs over the period run 67°F to 72°F.
| Day | High | Low | Precip |
|---|---|---|---|
| Saturday Aug 29 | — | 56° | — |
| Sunday Aug 30 | 68° | 56° | — |
| Monday Aug 31 | 72° | 57° | — |
| Tuesday Sep 1 | 72° | 58° | — |
| Wednesday Sep 2 | 67° | 56° | — |
| Thursday Sep 3 | 69° | 54° | — |
| Friday Sep 4 | 70° | 55° | — |
| Saturday Sep 5 | 72° | — | — |