Pasco, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pasco, a city in Benton County, Washington.
Today
91°F
Smoke
Smoke. Sunny, with a high near 91. North wind 1 to 6 mph.
7-day forecast for Pasco
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Smoke | 1 to 6 mph N | 0% |
| Tonight | 56°F | Areas Of Smoke | 0 to 6 mph N | 0% |
| Wednesday | 96°F | Areas Of Smoke | 2 mph NW | 0% |
| Wednesday Night | 60°F | Areas Of Smoke then Clear | 1 mph W | 0% |
| Thursday | 100°F | Sunny | 0 to 3 mph SW | 0% |
| Thursday Night | 64°F | Clear | 2 to 7 mph SW | 0% |
| Friday | 99°F | Sunny | 8 mph SW | 0% |
| Friday Night | 63°F | Clear | 2 to 7 mph SW | 0% |
| Saturday | 95°F | Sunny | 2 to 7 mph SW | 0% |
| Saturday Night | 61°F | Mostly Clear | 3 to 7 mph SW | 0% |
| Sunday | 91°F | Sunny | 3 to 7 mph SW | 0% |
| Sunday Night | 58°F | Mostly Clear | 6 mph SW | 0% |
| Monday | 90°F | Sunny | 5 mph SW | 0% |
| Monday Night | 57°F | Clear | 5 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Pasco (46.266, -119.121). Updated through the day.
Growing snapshot for Pasco
Last spring frost
Mar 28
First fall frost
Oct 30
Growing season
216 days
Hardiness zone
7b
More local growing data for 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 Pasco). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.