Leavenworth, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Leavenworth, a city in Chelan County, Washington.
Today
85°F
Mostly Sunny
Mostly sunny. High near 85, with temperatures falling to around 83 in the afternoon. Southeast wind around 2 mph.
7-day forecast for Leavenworth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny | 2 mph SE | 0% |
| Tonight | 54°F | Mostly Clear | 1 mph NW | 0% |
| Sunday | 86°F | Sunny | 2 mph SE | 0% |
| Sunday Night | 55°F | Mostly Clear | 1 mph W | 0% |
| Monday | 87°F | Sunny | 0 to 3 mph NW | 0% |
| Monday Night | 51°F | Partly Cloudy | 5 mph NW | 0% |
| Tuesday | 81°F | Mostly Sunny | 1 to 5 mph NW | 0% |
| Tuesday Night | 49°F | Mostly Cloudy | 6 mph NW | 0% |
| Wednesday | 77°F | Mostly Sunny | 5 mph NW | 0% |
| Wednesday Night | 49°F | Mostly Cloudy | 5 mph W | 2% |
| Thursday | 75°F | Partly Sunny | 2 mph NW | 12% |
| Thursday Night | 48°F | Mostly Cloudy | 2 mph NW | 14% |
| Friday | 71°F | Mostly Sunny | 3 mph NW | 10% |
| Friday Night | 45°F | Partly Cloudy | 2 mph NW | 7% |
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.