Harman US

Terrace Heights, WA Weather & Growing Conditions

Overnight
52°F
Mostly Clear
Mostly clear. Low around 52, with temperatures rising to around 54 overnight. Wind around 0 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 52°F Mostly Clear 0 mph 0%
Saturday 77°F Sunny 0 to 3 mph SE 0%
Saturday Night 54°F Mostly Clear 2 mph S 0%
Sunday 78°F Sunny 2 mph S 0%
Sunday Night 55°F Mostly Clear 1 mph E 0%
Monday 78°F Sunny 2 mph NW 0%
Monday Night 53°F Partly Cloudy 2 mph NW 0%
Tuesday 74°F Mostly Sunny 3 mph NW 0%
Tuesday Night 50°F Partly Cloudy 1 to 5 mph NW 0%
Wednesday 69°F Mostly Sunny 3 mph NW 1%
Wednesday Night 49°F Mostly Cloudy 0 to 3 mph N 1%
Thursday 66°F Mostly Sunny 2 mph N 5%
Thursday Night 49°F Mostly Cloudy 2 mph N 6%
Friday 63°F Mostly Sunny 0 to 5 mph NW 5%

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

Growing snapshot for Terrace Heights, WA

Last spring frost
May 5
First fall frost
Oct 4
Growing season
149 days
Hardiness zone
7a

Explore more for Terrace Heights, WA: full frost dates · planting calendar · Washington frost dates

Climate data from the nearest NOAA station, Selah 2 Ne, Wa (7.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.