Rosalia, WA Weather & Growing Conditions
Overnight
34°F
Partly Cloudy
Partly cloudy, with a low around 34. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 34°F | Partly Cloudy | 0 mph | 2% |
| Wednesday | 50°F | Patchy Fog then Sunny | 2 mph S | 2% |
| Wednesday Night | 35°F | Slight Chance Rain Showers | 2 mph SE | 78% |
| Thursday | 49°F | Rain Showers | 2 to 8 mph SW | 78% |
| Thursday Night | 35°F | Partly Cloudy | 3 mph S | 0% |
| Friday | 52°F | Mostly Cloudy | 3 to 7 mph S | 3% |
| Friday Night | 38°F | Mostly Cloudy | 5 mph SE | 8% |
| Saturday | 61°F | Partly Sunny | 2 to 6 mph SE | 3% |
| Saturday Night | 40°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph S | 15% |
| Sunday | 53°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph SW | 15% |
| Sunday Night | 37°F | Mostly Cloudy | 1 to 6 mph S | 4% |
| Monday | 55°F | Mostly Cloudy | 1 to 5 mph E | 8% |
| Monday Night | 37°F | Chance Rain Showers | 1 mph SE | 25% |
| Tuesday | 55°F | Chance Rain Showers | 1 to 5 mph S | 25% |
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 Nov 4, 2026.