Pasco, WA Weather & Growing Conditions
Overnight
35°F
Patchy Fog
Patchy fog. Mostly clear. Low around 35, with temperatures rising to around 37 overnight. Southeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 35°F | Patchy Fog | 2 mph SE | 1% |
| Wednesday | 52°F | Patchy Fog | 3 mph SE | 1% |
| Wednesday Night | 37°F | Chance Rain Showers | 2 to 6 mph S | 40% |
| Thursday | 57°F | Slight Chance Rain Showers then Mostly Sunny | 7 mph S | 20% |
| Thursday Night | 36°F | Partly Cloudy | 5 mph SE | 2% |
| Friday | 55°F | Partly Sunny | 5 mph S | 3% |
| Friday Night | 38°F | Mostly Cloudy | 3 mph SE | 3% |
| Saturday | 58°F | Mostly Sunny | 3 mph N | 1% |
| Saturday Night | 38°F | Mostly Cloudy | 2 to 6 mph SW | 3% |
| Sunday | 59°F | Mostly Cloudy | 6 to 9 mph S | 3% |
| Sunday Night | 38°F | Mostly Cloudy | 2 to 6 mph S | 1% |
| Monday | 54°F | Partly Sunny | 3 mph NW | 5% |
| Monday Night | 37°F | Slight Chance Rain Showers | 2 mph S | 17% |
| Tuesday | 58°F | Slight Chance Rain Showers | 3 mph SE | 17% |
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 Nov 4, 2026.