Rosalia, WA Weather & Growing Conditions
Today
84°F
Haze
Haze and areas of smoke before 8am, then smoke and haze between 8am and 9am, then haze and areas of smoke. Sunny, with a high near 84. North wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Haze | 3 mph N | 0% |
| Tonight | 47°F | Haze | 3 mph NE | 0% |
| Wednesday | 90°F | Areas Of Smoke | 2 mph S | 0% |
| Wednesday Night | 50°F | Patchy Smoke then Mostly Clear | 2 mph W | 0% |
| Thursday | 95°F | Sunny | 1 to 6 mph S | 0% |
| Thursday Night | 54°F | Mostly Clear | 1 to 6 mph S | 0% |
| Friday | 93°F | Sunny | 3 to 12 mph SW | 0% |
| Friday Night | 54°F | Mostly Clear | 2 to 10 mph SW | 0% |
| Saturday | 90°F | Sunny | 5 to 10 mph SW | 0% |
| Saturday Night | 53°F | Mostly Clear | 2 to 9 mph SW | 0% |
| Sunday | 85°F | Sunny | 5 to 9 mph SW | 0% |
| Sunday Night | 50°F | Mostly Clear | 2 to 7 mph SW | 0% |
| Monday | 84°F | Sunny | 3 to 7 mph SW | 0% |
| Monday Night | 49°F | Mostly Clear | 1 to 6 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rosalia, WA
Last spring frost
May 7
First fall frost
Sep 28
Growing season
144 days
Hardiness zone
6b
Explore more for Rosalia, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Rosalia, Wa (2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.