Roy, WA Weather & Growing Conditions
Overnight
53°F
Clear
Clear, with a low around 53. East wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Clear | 2 mph E | 0% |
| Tuesday | 89°F | Sunny then Smoke | 2 to 6 mph NE | 0% |
| Tuesday Night | 57°F | Smoke | 0 to 6 mph ENE | 0% |
| Wednesday | 94°F | Areas Of Smoke | 0 to 5 mph NNE | 0% |
| Wednesday Night | 59°F | Mostly Clear | 0 to 5 mph NNE | 0% |
| Thursday | 93°F | Sunny | 0 to 5 mph NW | 0% |
| Thursday Night | 58°F | Mostly Clear | 5 mph WSW | 0% |
| Friday | 89°F | Sunny | 2 to 6 mph WSW | 0% |
| Friday Night | 56°F | Mostly Clear | 1 to 6 mph WSW | 0% |
| Saturday | 85°F | Sunny | 1 to 7 mph WSW | 0% |
| Saturday Night | 54°F | Mostly Clear | 2 to 7 mph WSW | 0% |
| Sunday | 79°F | Mostly Sunny | 5 mph W | 0% |
| Sunday Night | 53°F | Mostly Clear | 1 to 5 mph W | 0% |
| Monday | 79°F | Mostly Sunny | 1 to 5 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Roy, WA
Last spring frost
Apr 11
First fall frost
Oct 30
Growing season
202 days
Hardiness zone
8b
Explore more for Roy, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Mcmillin Rsvr, Wa (15.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.