Rock Island, WA Weather & Growing Conditions
Today
83°F
Smoke then Haze
Smoke before 7am, then smoke and haze between 7am and 9am, then haze and areas of smoke. Sunny, with a high near 83. East wind 3 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Smoke then Haze | 3 to 8 mph E | 0% |
| Tonight | 61°F | Haze | 7 mph NW | 0% |
| Wednesday | 87°F | Smoke | 6 to 10 mph S | 0% |
| Wednesday Night | 64°F | Patchy Smoke then Mostly Clear | 6 to 9 mph W | 0% |
| Thursday | 92°F | Sunny | 5 to 10 mph W | 0% |
| Thursday Night | 66°F | Mostly Clear | 7 to 12 mph W | 0% |
| Friday | 91°F | Sunny | 10 to 22 mph NW | 0% |
| Friday Night | 64°F | Mostly Clear | 12 to 22 mph NW | 0% |
| Saturday | 87°F | Sunny | 10 to 20 mph W | 0% |
| Saturday Night | 61°F | Mostly Clear | 13 to 20 mph NW | 0% |
| Sunday | 83°F | Sunny | 8 to 14 mph W | 0% |
| Sunday Night | 59°F | Mostly Clear | 12 to 15 mph W | 0% |
| Monday | 82°F | Sunny | 6 to 12 mph W | 0% |
| Monday Night | 59°F | Mostly Clear | 10 to 14 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rock Island, WA
Last spring frost
Apr 8
First fall frost
Oct 24
Growing season
200 days
Hardiness zone
7a
Explore more for Rock Island, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Wenatchee Pangborn Ap, Wa (7.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.