Harman US

Deer Park, WA Weather & Growing Conditions

Overnight
33°F
Partly Cloudy
Partly cloudy, with a low around 33. Wind around 0 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 33°F Partly Cloudy 0 mph 2%
Wednesday 51°F Sunny 0 to 3 mph S 2%
Wednesday Night 33°F Mostly Cloudy then Rain Showers 1 mph NW 80%
Thursday 48°F Rain Showers 0 to 5 mph SW 80%
Thursday Night 32°F Mostly Cloudy 1 mph NE 2%
Friday 51°F Mostly Cloudy 0 to 5 mph E 5%
Friday Night 35°F Mostly Cloudy 2 mph E 14%
Saturday 57°F Partly Sunny 3 mph NE 8%
Saturday Night 37°F Mostly Cloudy then Slight Chance Rain Showers 3 mph E 18%
Sunday 54°F Slight Chance Rain Showers then Mostly Cloudy 2 to 10 mph S 18%
Sunday Night 35°F Mostly Cloudy 1 to 6 mph S 4%
Monday 53°F Partly Sunny then Slight Chance Rain Showers 3 mph NE 15%
Monday Night 35°F Chance Rain Showers 1 mph NE 30%
Tuesday 56°F Chance Rain Showers 0 to 3 mph SE 30%

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 (8.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.