Royal City, WA Weather & Growing Conditions
Tonight
52°F
Mostly Clear
Mostly clear. Low around 52, with temperatures rising to around 54 overnight. Southwest wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Mostly Clear | 2 mph SW | 0% |
| Saturday | 78°F | Sunny | 2 mph SE | 0% |
| Saturday Night | 52°F | Mostly Clear | 2 mph E | 0% |
| Sunday | 80°F | Sunny | 1 mph N | 0% |
| Sunday Night | 54°F | Clear | 1 mph W | 0% |
| Monday | 81°F | Sunny | 2 mph W | 0% |
| Monday Night | 54°F | Mostly Clear | 3 mph W | 0% |
| Tuesday | 77°F | Mostly Sunny | 3 mph W | 0% |
| Tuesday Night | 51°F | Mostly Clear | 5 mph W | 0% |
| Wednesday | 73°F | Mostly Sunny | 2 mph W | 0% |
| Wednesday Night | 51°F | Partly Cloudy | 2 mph W | 0% |
| Thursday | 75°F | Mostly Sunny | 2 mph NW | 2% |
| Thursday Night | 52°F | Partly Cloudy | 3 mph W | 10% |
| Friday | 71°F | Mostly Sunny | 5 mph W | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Royal City, WA
Last spring frost
Apr 23
First fall frost
Oct 12
Growing season
172 days
Hardiness zone
7a
Explore more for Royal City, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Smyrna, Wa (3.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.