Deer Park, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Deer Park, a city in Spokane County, Washington.
Tonight
46°F
Mostly Clear
Mostly clear, with a low around 46. North wind around 2 mph.
7-day forecast for Deer Park
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 46°F | Mostly Clear | 2 mph N | 0% |
| Saturday | 77°F | Sunny | 3 mph S | 0% |
| Saturday Night | 46°F | Mostly Clear | 2 mph N | 0% |
| Sunday | 78°F | Sunny | 3 mph E | 0% |
| Sunday Night | 47°F | Mostly Clear | 3 mph NE | 0% |
| Monday | 79°F | Sunny | 3 mph SE | 0% |
| Monday Night | 48°F | Partly Cloudy | 2 mph SE | 0% |
| Tuesday | 76°F | Mostly Sunny | 5 mph SE | 0% |
| Tuesday Night | 47°F | Partly Cloudy | 3 mph S | 1% |
| Wednesday | 71°F | Mostly Sunny | 5 mph S | 1% |
| Wednesday Night | 45°F | Partly Cloudy | 3 mph S | 1% |
| Thursday | 75°F | Mostly Sunny | 5 mph NE | 5% |
| Thursday Night | 47°F | Mostly Cloudy | 5 mph N | 10% |
| Friday | 72°F | Partly Sunny | 3 to 7 mph SW | 13% |
Forecast source: National Weather Service (api.weather.gov) for Deer Park (47.964, -117.440). Updated through the day.
Growing snapshot for Deer Park
Last spring frost
May 22
First fall frost
Sep 14
Growing season
112 days
Hardiness zone
6b
More local growing data for Deer Park: nearby ZIP 99006 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, Deer Park Ap, Wa (3.9 mi from Deer Park). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.