Grandview, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grandview, a city in Yakima County, Washington.
Tonight
50°F
Clear
Clear, with a low around 50. Wind around 0 mph.
7-day forecast for Grandview
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Clear | 0 mph | 0% |
| Saturday | 82°F | Sunny | 2 mph E | 0% |
| Saturday Night | 50°F | Mostly Clear | 2 mph E | 0% |
| Sunday | 84°F | Sunny | 2 mph NE | 0% |
| Sunday Night | 51°F | Clear | 2 mph NE | 0% |
| Monday | 84°F | Sunny | 1 mph E | 0% |
| Monday Night | 51°F | Partly Cloudy | 1 mph N | 0% |
| Tuesday | 81°F | Sunny | 1 mph N | 0% |
| Tuesday Night | 49°F | Partly Cloudy | 2 mph N | 0% |
| Wednesday | 76°F | Mostly Sunny | 2 mph S | 0% |
| Wednesday Night | 48°F | Partly Cloudy | 2 mph N | 0% |
| Thursday | 73°F | Mostly Sunny | 1 mph NE | 2% |
| Thursday Night | 48°F | Mostly Cloudy | 1 mph NE | 6% |
| Friday | 70°F | Mostly Sunny | 0 to 3 mph NW | 6% |
Forecast source: National Weather Service (api.weather.gov) for Grandview (46.244, -119.909). Updated through the day.
Growing snapshot for Grandview
Last spring frost
May 1
First fall frost
Oct 6
Growing season
157 days
Hardiness zone
7b
More local growing data for Grandview: nearby ZIP 98930 weather · frost dates · planting calendar · Washington frost dates
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Climate data from the nearest NOAA station, Sunnyside, Wa (6.8 mi from Grandview). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.