Deer Park, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Deer Park, a city in Spokane County, Washington.
This Afternoon
50°F
Mostly Cloudy
Mostly cloudy. High near 50, with temperatures falling to around 46 in the afternoon. Northeast wind around 3 mph.
7-day forecast for Deer Park
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 50°F | Mostly Cloudy | 3 mph NE | 3% |
| Tonight | 31°F | Mostly Cloudy then Patchy Fog | 2 mph N | 3% |
| Wednesday | 50°F | Patchy Fog then Sunny | 2 mph SE | 2% |
| Wednesday Night | 32°F | Mostly Cloudy then Rain Showers Likely | 1 mph SE | 69% |
| Thursday | 48°F | Rain Showers Likely | 1 to 5 mph S | 69% |
| Thursday Night | 31°F | Mostly Cloudy | 2 mph SE | 7% |
| Friday | 51°F | Mostly Cloudy | 1 to 6 mph SE | 12% |
| Friday Night | 33°F | Mostly Cloudy | 5 mph SE | 5% |
| Saturday | 55°F | Partly Sunny | 5 mph NE | 5% |
| Saturday Night | 36°F | Mostly Cloudy then Chance Rain Showers | 5 mph E | 27% |
| Sunday | 55°F | Chance Rain Showers | 5 to 13 mph S | 27% |
| Sunday Night | 34°F | Mostly Cloudy | 3 to 7 mph S | 10% |
| Monday | 52°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph NE | 24% |
| Monday Night | 34°F | Chance Rain Showers | 3 mph E | 26% |
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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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 Nov 3, 2026.