Sunnyslope, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sunnyslope, a community in Chelan County, Washington.
Today
88°F
Smoke then Haze
Smoke and haze before noon, then haze and areas of smoke. Sunny, with a high near 88. Southeast wind around 6 mph.
7-day forecast for Sunnyslope
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Smoke then Haze | 6 mph SE | 0% |
| Tonight | 63°F | Smoke | 3 to 7 mph N | 0% |
| Wednesday | 93°F | Smoke | 3 to 9 mph S | 0% |
| Wednesday Night | 65°F | Areas Of Smoke then Mostly Clear | 3 to 9 mph W | 0% |
| Thursday | 98°F | Sunny | 2 to 8 mph W | 0% |
| Thursday Night | 68°F | Mostly Clear | 8 to 14 mph NW | 0% |
| Friday | 95°F | Sunny | 13 to 23 mph NW | 0% |
| Friday Night | 65°F | Mostly Clear | 14 to 23 mph NW | 0% |
| Saturday | 91°F | Sunny | 12 to 21 mph NW | 0% |
| Saturday Night | 63°F | Mostly Clear | 15 to 21 mph NW | 0% |
| Sunday | 87°F | Sunny | 10 to 16 mph NW | 0% |
| Sunday Night | 61°F | Mostly Clear | 14 to 18 mph NW | 0% |
| Monday | 86°F | Sunny | 6 to 14 mph NW | 0% |
| Monday Night | 61°F | Mostly Clear | 12 to 16 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Sunnyslope (47.505, -120.353). Updated through the day.
Growing snapshot for Sunnyslope
Last spring frost
Apr 4
First fall frost
Oct 28
Growing season
208 days
Hardiness zone
7a
More local growing data for Sunnyslope: nearby ZIP 98801 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Cashmere
Chelan
Chelan Falls
East Wenatchee
Entiat
Leavenworth
Manson
Rock Island
South Wenatchee
Wenatchee
Climate data from the nearest NOAA station, Wenatchee, Wa (1.6 mi from Sunnyslope). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.