Harman US

Royal City, WA Weather & Growing Conditions

Overnight
34°F
Areas Of Fog
Areas of fog after 4am. Mostly clear, with a low around 34. Wind around 0 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 34°F Areas Of Fog 0 mph 3%
Wednesday 52°F Areas Of Fog then Sunny 2 mph SE 8%
Wednesday Night 37°F Chance Rain Showers 1 mph NE 32%
Thursday 59°F Patchy Fog then Mostly Sunny 1 to 5 mph SW 2%
Thursday Night 36°F Partly Cloudy 0 to 3 mph W 3%
Friday 53°F Mostly Cloudy 2 mph SE 3%
Friday Night 35°F Mostly Cloudy 2 mph NE 4%
Saturday 57°F Mostly Sunny 2 mph N 1%
Saturday Night 37°F Mostly Cloudy 0 to 3 mph W 2%
Sunday 59°F Partly Sunny 2 to 7 mph SW 3%
Sunday Night 35°F Mostly Cloudy 3 mph W 1%
Monday 54°F Partly Sunny 2 mph NW 7%
Monday Night 35°F Slight Chance Rain Showers 1 mph NW 16%
Tuesday 56°F Slight Chance Rain Showers 2 mph NE 17%

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 Nov 4, 2026.