Harman US

Grandview, WA Weather & Growing Conditions

Overnight
34°F
Patchy Fog
Patchy fog. Mostly clear, with a low around 34. Wind around 0 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 34°F Patchy Fog 0 mph 1%
Wednesday 54°F Patchy Fog 2 mph SE 2%
Wednesday Night 35°F Chance Rain Showers 1 mph E 47%
Thursday 59°F Patchy Fog then Sunny 1 mph W 7%
Thursday Night 33°F Patchy Fog 1 mph S 3%
Friday 57°F Patchy Fog then Mostly Cloudy 1 mph SE 6%
Friday Night 35°F Patchy Fog 1 mph SE 6%
Saturday 59°F Patchy Fog then Mostly Sunny 0 mph 1%
Saturday Night 36°F Mostly Cloudy 0 mph 2%
Sunday 61°F Partly Sunny 0 to 5 mph W 2%
Sunday Night 35°F Mostly Cloudy 1 mph W 1%
Monday 56°F Partly Sunny 0 mph 6%
Monday Night 34°F Mostly Cloudy then Slight Chance Rain Showers 0 mph 17%
Tuesday 59°F Slight Chance Rain Showers 1 mph SE 21%

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

Growing snapshot for Grandview, WA

Last spring frost
May 1
First fall frost
Oct 6
Growing season
157 days
Hardiness zone
7b

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

Climate data from the nearest NOAA station, Sunnyside, Wa (6.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.