Liberty Lake, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Liberty Lake, a city in Spokane County, Washington.
This Afternoon
78°F
Sunny
Sunny, with a high near 78. West wind around 3 mph.
7-day forecast for Liberty Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Sunny | 3 mph W | 0% |
| Tonight | 50°F | Mostly Clear | 1 mph NE | 0% |
| Sunday | 81°F | Sunny | 2 mph N | 0% |
| Sunday Night | 50°F | Mostly Clear | 2 mph NE | 0% |
| Monday | 83°F | Sunny | 3 mph SE | 0% |
| Monday Night | 53°F | Partly Cloudy | 2 mph SE | 0% |
| Tuesday | 80°F | Mostly Sunny | 1 to 6 mph S | 0% |
| Tuesday Night | 52°F | Partly Cloudy | 6 mph S | 2% |
| Wednesday | 73°F | Mostly Sunny | 5 to 8 mph S | 1% |
| Wednesday Night | 49°F | Partly Cloudy | 2 to 7 mph S | 1% |
| Thursday | 71°F | Mostly Sunny | 5 mph S | 5% |
| Thursday Night | 49°F | Mostly Cloudy | 2 mph NE | 10% |
| Friday | 69°F | Partly Sunny | 2 to 6 mph SW | 13% |
| Friday Night | 47°F | Slight Chance Rain Showers | 5 mph SW | 16% |
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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Town and Country
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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 Sep 20, 2026.