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Liberty Lake, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Liberty Lake, a city in Spokane County, Washington.

Overnight
34°F
Patchy Fog
Patchy fog after 5am. Partly cloudy, with a low around 34. Wind around 0 mph.

7-day forecast for Liberty Lake

WhenTempForecastWindPrecip
Overnight 34°F Patchy Fog 0 mph 2%
Wednesday 53°F Patchy Fog then Sunny 2 mph S 2%
Wednesday Night 36°F Patchy Fog then Rain Showers 2 mph SE 88%
Thursday 50°F Rain Showers 2 to 8 mph SW 88%
Thursday Night 36°F Mostly Cloudy 3 mph SE 1%
Friday 53°F Mostly Cloudy 6 mph SE 4%
Friday Night 38°F Mostly Cloudy 5 mph SE 9%
Saturday 60°F Partly Sunny 5 mph E 6%
Saturday Night 40°F Mostly Cloudy then Slight Chance Rain Showers 3 to 8 mph SE 18%
Sunday 55°F Slight Chance Rain Showers 7 to 13 mph S 18%
Sunday Night 37°F Mostly Cloudy 3 to 7 mph S 4%
Monday 55°F Partly Sunny then Slight Chance Rain Showers 1 to 5 mph E 15%
Monday Night 38°F Chance Rain Showers 3 mph E 28%
Tuesday 56°F Chance Rain Showers 5 mph S 28%

Forecast source: National Weather Service (api.weather.gov) for Liberty Lake (47.668, -117.104). Updated through the day.

Growing snapshot for Liberty Lake

Last spring frost
Apr 26
First fall frost
Oct 15
Growing season
170 days
Hardiness zone
6b

More local growing data for Liberty Lake: nearby ZIP 99019 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Spokane Felts Fld, Wa (11.9 mi from Liberty Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.