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Leavenworth, WA Weather & Growing Conditions

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

Today
57°F
Patchy Fog then Chance Rain Showers
Patchy fog before 8am, then a chance of rain showers. Sunny. High near 57, with temperatures falling to around 50 in the afternoon. Southwest wind around 2 mph. Chance of precipitation is 40%.

7-day forecast for Leavenworth

WhenTempForecastWindPrecip
Today 57°F Patchy Fog then Chance Rain Showers 2 mph SW 38%
Tonight 37°F Rain Showers Likely 1 mph N 63%
Thursday 54°F Areas Of Fog then Mostly Sunny 2 mph NW 19%
Thursday Night 36°F Partly Cloudy then Chance Rain Showers 2 mph NW 44%
Friday 54°F Rain Showers Likely 1 mph NW 56%
Friday Night 37°F Chance Rain Showers 1 mph W 45%
Saturday 56°F Partly Sunny 2 mph E 9%
Saturday Night 38°F Rain Showers Likely 2 mph SW 60%
Sunday 55°F Chance Rain Showers 3 mph W 47%
Sunday Night 32°F Slight Chance Rain Showers then Mostly Cloudy 2 mph NW 15%
Monday 53°F Slight Chance Rain Showers 1 mph NE 21%
Monday Night 36°F Chance Rain Showers 0 mph 44%
Tuesday 54°F Chance Rain Showers 1 mph E 44%
Tuesday Night 37°F Chance Rain Showers 0 mph 39%

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

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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 Nov 4, 2026.