Deer Park, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Deer Park, a city in Spokane County, Washington.
Overnight
44°F
Haze
Haze and areas of smoke. Mostly clear. Low around 44, with temperatures rising to around 46 overnight. North wind around 3 mph.
7-day forecast for Deer Park
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 44°F | Haze | 3 mph N | 0% |
| Tuesday | 85°F | Haze then Sunny | 3 mph N | 0% |
| Tuesday Night | 47°F | Haze then Smoke | 2 mph N | 0% |
| Wednesday | 90°F | Smoke | 1 to 5 mph S | 0% |
| Wednesday Night | 51°F | Areas Of Smoke then Mostly Clear | 1 to 5 mph SE | 0% |
| Thursday | 94°F | Sunny | 2 to 7 mph S | 0% |
| Thursday Night | 55°F | Mostly Clear | 1 to 7 mph SE | 0% |
| Friday | 93°F | Sunny | 2 to 12 mph S | 0% |
| Friday Night | 55°F | Mostly Clear | 2 to 12 mph SW | 0% |
| Saturday | 90°F | Sunny | 2 to 10 mph SW | 0% |
| Saturday Night | 53°F | Mostly Clear | 2 to 10 mph S | 0% |
| Sunday | 87°F | Sunny | 3 to 8 mph S | 0% |
| Sunday Night | 51°F | Mostly Clear | 2 to 8 mph S | 0% |
| Monday | 86°F | Sunny | 2 to 7 mph S | 0% |
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 Aug 4, 2026.