Leavenworth, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Leavenworth, a city in Chelan County, Washington.
This Afternoon
85°F
Mostly Sunny
Mostly sunny, with a high near 85. Southeast wind around 2 mph.
7-day forecast for Leavenworth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 85°F | Mostly Sunny | 2 mph SE | 0% |
| Tonight | 54°F | Mostly Clear | 1 mph NW | 0% |
| Sunday | 86°F | Sunny | 0 to 3 mph E | 0% |
| Sunday Night | 55°F | Mostly Clear | 1 mph N | 0% |
| Monday | 87°F | Mostly Sunny | 2 mph NW | 0% |
| Monday Night | 51°F | Partly Cloudy | 3 mph NW | 0% |
| Tuesday | 80°F | Mostly Sunny | 3 to 7 mph NW | 0% |
| Tuesday Night | 47°F | Partly Cloudy | 8 mph NW | 0% |
| Wednesday | 76°F | Mostly Sunny | 6 mph NW | 0% |
| Wednesday Night | 45°F | Partly Cloudy | 2 to 6 mph W | 4% |
| Thursday | 73°F | Partly Sunny | 2 mph N | 8% |
| Thursday Night | 46°F | Mostly Cloudy | 1 mph W | 12% |
| Friday | 70°F | Partly Sunny | 3 mph NW | 9% |
| Friday Night | 43°F | Partly Cloudy | 1 to 5 mph NW | 9% |
Forecast source: National Weather Service (api.weather.gov) for Leavenworth (47.595, -120.664). Updated through the day.
Growing snapshot for Leavenworth
Last spring frost
May 10
First fall frost
Sep 30
Growing season
142 days
Hardiness zone
7a
More local growing data for Leavenworth: nearby ZIP 98821 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Cashmere
Chelan
Chelan Falls
East Wenatchee
Entiat
Manson
Rock Island
South Wenatchee
Sunnyslope
Wenatchee
Climate data from the nearest NOAA station, Leavenworth 3 S, Wa (5.2 mi from Leavenworth). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.