Leavenworth, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Leavenworth, a city in Chelan County, Washington.
Overnight
57°F
Smoke
Smoke. Mostly clear, with a low around 57. Wind around 0 mph.
7-day forecast for Leavenworth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Smoke | 0 mph | 0% |
| Tuesday | 93°F | Smoke | 2 mph SE | 0% |
| Tuesday Night | 61°F | Smoke | 2 mph NW | 0% |
| Wednesday | 98°F | Smoke | 0 to 3 mph NE | 0% |
| Wednesday Night | 63°F | Areas Of Smoke then Mostly Clear | 3 mph NW | 0% |
| Thursday | 102°F | Sunny | 0 to 6 mph NW | 0% |
| Thursday Night | 64°F | Mostly Clear | 6 mph NW | 0% |
| Friday | 97°F | Sunny | 5 to 12 mph NW | 0% |
| Friday Night | 61°F | Mostly Clear | 8 to 12 mph W | 0% |
| Saturday | 95°F | Sunny | 6 to 12 mph NW | 0% |
| Saturday Night | 59°F | Mostly Clear | 12 mph NW | 0% |
| Sunday | 91°F | Sunny | 6 to 10 mph NW | 0% |
| Sunday Night | 56°F | Mostly Clear | 8 to 12 mph NW | 0% |
| Monday | 90°F | Sunny | 3 to 9 mph NW | 0% |
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 Aug 4, 2026.