Harman US

Deer Park, WA Weather & Growing Conditions

Tonight
29°F
Chance Rain Showers then Areas Of Fog
A chance of rain showers before 10pm, then areas of fog. Mostly cloudy, with a low around 29. North wind around 2 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 29°F Chance Rain Showers then Areas Of Fog 2 mph N 11%
Wednesday 51°F Areas Of Fog then Sunny 2 mph SE 2%
Wednesday Night 31°F Mostly Cloudy then Rain Showers Likely 1 mph SE 67%
Thursday 49°F Rain Showers Likely 0 to 5 mph SW 67%
Thursday Night 29°F Mostly Cloudy 2 mph SE 7%
Friday 51°F Mostly Cloudy 1 to 6 mph SE 12%
Friday Night 32°F Mostly Cloudy 3 mph SE 5%
Saturday 55°F Partly Sunny 3 mph NE 5%
Saturday Night 34°F Mostly Cloudy then Chance Rain Showers 3 mph E 26%
Sunday 55°F Chance Rain Showers 3 to 13 mph SW 26%
Sunday Night 32°F Mostly Cloudy 2 to 7 mph SE 10%
Monday 53°F Mostly Cloudy then Slight Chance Rain Showers 3 mph NE 24%
Monday Night 33°F Chance Rain Showers 2 mph E 27%
Tuesday 55°F Chance Rain Showers 3 mph SE 37%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Deer Park, WA

Last spring frost
May 22
First fall frost
Sep 14
Growing season
112 days
Hardiness zone
6b

Explore more for Deer Park, WA: full frost dates · planting calendar · Washington frost dates

Climate data from the nearest NOAA station, Deer Park Ap, Wa (3.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.