West Pasco, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Pasco, a community in Benton County, Washington.
Overnight
58°F
Smoke
Smoke. Clear, with a low around 58. North wind around 3 mph.
7-day forecast for West Pasco
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Smoke | 3 mph N | 0% |
| Tuesday | 91°F | Smoke | 1 to 6 mph NW | 0% |
| Tuesday Night | 62°F | Areas Of Smoke | 0 to 6 mph N | 0% |
| Wednesday | 96°F | Areas Of Smoke | 0 to 3 mph N | 0% |
| Wednesday Night | 64°F | Areas Of Smoke then Clear | 2 mph SW | 0% |
| Thursday | 100°F | Sunny | 0 to 5 mph SW | 0% |
| Thursday Night | 68°F | Clear | 5 mph SW | 0% |
| Friday | 99°F | Sunny | 3 to 7 mph SW | 0% |
| Friday Night | 67°F | Clear | 2 to 7 mph SW | 0% |
| Saturday | 95°F | Sunny | 2 to 7 mph SW | 0% |
| Saturday Night | 65°F | Mostly Clear | 3 to 7 mph SW | 0% |
| Sunday | 91°F | Sunny | 3 to 7 mph SW | 0% |
| Sunday Night | 63°F | Mostly Clear | 6 mph SW | 0% |
| Monday | 90°F | Sunny | 5 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov) for West Pasco (46.254, -119.183). Updated through the day.
Growing snapshot for West Pasco
Last spring frost
Mar 28
First fall frost
Oct 30
Growing season
216 days
Hardiness zone
7b
More local growing data for West Pasco: nearby ZIP 99336 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Kennewick, Wa (3.6 mi from West Pasco). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.