Roslyn, WA Weather & Growing Conditions
Today
88°F
Smoke
Smoke. Sunny, with a high near 88. East wind 1 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Smoke | 1 to 6 mph E | 0% |
| Tonight | 53°F | Areas Of Smoke | 2 mph NW | 0% |
| Wednesday | 93°F | Areas Of Smoke | 0 to 5 mph W | 0% |
| Wednesday Night | 56°F | Areas Of Smoke then Mostly Clear | 1 to 5 mph W | 0% |
| Thursday | 95°F | Sunny | 1 to 8 mph W | 0% |
| Thursday Night | 57°F | Mostly Clear | 5 to 8 mph W | 0% |
| Friday | 89°F | Sunny | 5 to 9 mph W | 0% |
| Friday Night | 56°F | Mostly Clear | 6 to 9 mph W | 0% |
| Saturday | 83°F | Sunny | 5 to 10 mph W | 0% |
| Saturday Night | 54°F | Mostly Clear | 10 mph W | 0% |
| Sunday | 79°F | Sunny | 10 mph W | 0% |
| Sunday Night | 52°F | Mostly Clear | 7 to 10 mph W | 0% |
| Monday | 79°F | Sunny | 9 mph W | 0% |
| Monday Night | 51°F | Mostly Clear | 6 to 9 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Roslyn, WA
Last spring frost
May 13
First fall frost
Sep 25
Growing season
132 days
Hardiness zone
7a
Explore more for Roslyn, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Cle Elum, Wa (4.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.