Current conditions and the National Weather Service 7-day forecast for Grand Coulee, Washington — temperature, rain chance, wind, radar and active alerts.
Saturday Aug 29 night: a low around 52°F. Sunday Aug 30: a high near 76°F and a low around 54°F. The wettest day looks like Saturday Aug 29, near 0.02 in. Highs over the period run 73°F to 86°F.
| Day | High | Low | Precip |
|---|---|---|---|
| Saturday Aug 29 | — | 52° | 0.02 in |
| Sunday Aug 30 | 76° | 54° | — |
| Monday Aug 31 | 84° | 59° | — |
| Tuesday Sep 1 | 86° | 58° | — |
| Wednesday Sep 2 | 75° | 55° | — |
| Thursday Sep 3 | 73° | 50° | — |
| Friday Sep 4 | 75° | 53° | — |
| Saturday Sep 5 | 78° | — | — |