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Sunnyslope, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Sunnyslope, a community in Chelan County, Washington.

This Afternoon
79°F
Mostly Sunny
Mostly sunny, with a high near 79. Southeast wind around 5 mph.

7-day forecast for Sunnyslope

WhenTempForecastWindPrecip
This Afternoon 79°F Mostly Sunny 5 mph SE 0%
Tonight 57°F Mostly Clear 1 to 5 mph N 0%
Sunday 80°F Sunny 5 mph S 0%
Sunday Night 57°F Mostly Clear 1 to 5 mph W 0%
Monday 82°F Sunny 1 to 5 mph NW 0%
Monday Night 56°F Partly Cloudy 2 to 12 mph NW 0%
Tuesday 77°F Mostly Sunny 5 to 12 mph NW 0%
Tuesday Night 51°F Partly Cloudy 9 to 14 mph NW 0%
Wednesday 71°F Mostly Sunny 5 to 12 mph W 0%
Wednesday Night 49°F Partly Cloudy 9 mph NW 2%
Thursday 67°F Partly Sunny 2 to 7 mph NE 6%
Thursday Night 50°F Mostly Cloudy 5 mph NW 10%
Friday 65°F Partly Sunny 7 mph NW 9%
Friday Night 47°F Partly Cloudy 7 mph NW 6%

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

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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 Sep 20, 2026.