West Pasco, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Pasco, a community in Benton County, Washington.
Today
85°F
Sunny
Sunny, with a high near 85. North wind 0 to 3 mph.
7-day forecast for West Pasco
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 0 to 3 mph N | 0% |
| Tonight | 58°F | Mostly Clear | 2 mph NW | 0% |
| Monday | 86°F | Mostly Sunny | 0 to 3 mph W | 0% |
| Monday Night | 58°F | Partly Cloudy | 2 mph SW | 0% |
| Tuesday | 82°F | Mostly Sunny | 2 to 6 mph SW | 0% |
| Tuesday Night | 54°F | Partly Cloudy | 2 to 6 mph SW | 0% |
| Wednesday | 77°F | Mostly Sunny | 5 mph SW | 0% |
| Wednesday Night | 53°F | Partly Cloudy | 0 to 5 mph W | 0% |
| Thursday | 75°F | Mostly Sunny | 0 to 5 mph NW | 4% |
| Thursday Night | 54°F | Mostly Cloudy then Slight Chance Rain Showers | 1 to 5 mph NW | 17% |
| Friday | 73°F | Slight Chance Rain Showers then Partly Sunny | 1 to 8 mph W | 17% |
| Friday Night | 51°F | Partly Cloudy | 3 to 8 mph SW | 9% |
| Saturday | 69°F | Mostly Sunny | 6 mph SW | 2% |
| Saturday Night | 49°F | Partly Cloudy | 1 to 6 mph W | 2% |
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 Sep 20, 2026.