Pasco, WA Weather & Growing Conditions
This Afternoon
79°F
Sunny
Sunny. High near 79, with temperatures falling to around 77 in the afternoon. Southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Sunny | 5 mph SW | 1% |
| Tonight | 52°F | Mostly Clear | 3 mph SE | 0% |
| Saturday | 80°F | Sunny | 3 mph S | 0% |
| Saturday Night | 52°F | Mostly Clear | 2 mph SE | 0% |
| Sunday | 83°F | Sunny | 2 mph N | 0% |
| Sunday Night | 54°F | Mostly Clear | 2 mph NE | 0% |
| Monday | 83°F | Sunny | 3 mph S | 0% |
| Monday Night | 54°F | Partly Cloudy | 2 mph S | 0% |
| Tuesday | 79°F | Sunny | 3 mph SW | 0% |
| Tuesday Night | 52°F | Partly Cloudy | 3 mph SW | 0% |
| Wednesday | 76°F | Sunny | 3 mph SW | 0% |
| Wednesday Night | 52°F | Partly Cloudy | 2 mph NE | 0% |
| Thursday | 78°F | Mostly Sunny | 3 mph NW | 2% |
| Thursday Night | 53°F | Partly Cloudy | 3 mph W | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Pasco, WA
Last spring frost
Apr 30
First fall frost
Oct 13
Growing season
166 days
Hardiness zone
7a
Explore more for Pasco, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Sagemoor, Wa (5.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.