Roy, WA Weather & Growing Conditions
This Afternoon
60°F
Light Rain Likely
Rain likely after 4pm. Cloudy. High near 60, with temperatures falling to around 55 in the afternoon. South southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 60°F | Light Rain Likely | 5 mph SSW | 60% |
| Tonight | 45°F | Light Rain | 5 to 9 mph S | 93% |
| Thursday | 59°F | Mostly Sunny | 2 to 6 mph SSW | 6% |
| Thursday Night | 42°F | Mostly Cloudy then Chance Light Rain | 2 mph SSE | 47% |
| Friday | 57°F | Light Rain | 2 to 9 mph S | 87% |
| Friday Night | 47°F | Light Rain Likely | 1 to 7 mph S | 70% |
| Saturday | 65°F | Mostly Cloudy then Chance Light Rain | 1 mph S | 32% |
| Saturday Night | 49°F | Light Rain | 1 to 16 mph SSW | 86% |
| Sunday | 58°F | Light Rain Likely | 1 to 12 mph SW | 71% |
| Sunday Night | 38°F | Mostly Cloudy | 1 mph S | 8% |
| Monday | 58°F | Partly Sunny then Slight Chance Light Rain | 1 mph SW | 21% |
| Monday Night | 44°F | Light Rain Likely | 1 to 9 mph S | 55% |
| Tuesday | 58°F | Light Rain Likely | 8 to 13 mph S | 63% |
| Tuesday Night | 47°F | Light Rain Likely | 5 to 10 mph S | 62% |
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 Nov 5, 2026.