Snoqualmie Pass, WA Weather & Growing Conditions
Overnight
45°F
Partly Cloudy
Partly cloudy, with a low around 45. North wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 45°F | Partly Cloudy | 3 mph N | 0% |
| Saturday | 66°F | Mostly Sunny | 3 mph NW | 0% |
| Saturday Night | 49°F | Mostly Clear | 2 mph NE | 0% |
| Sunday | 68°F | Sunny | 2 mph SW | 0% |
| Sunday Night | 48°F | Mostly Clear | 2 mph N | 0% |
| Monday | 62°F | Mostly Sunny | 5 mph NW | 0% |
| Monday Night | 44°F | Partly Cloudy | 5 mph NW | 0% |
| Tuesday | 56°F | Partly Sunny | 5 mph NW | 0% |
| Tuesday Night | 41°F | Mostly Cloudy | 3 mph NW | 2% |
| Wednesday | 54°F | Partly Sunny | 3 mph NW | 8% |
| Wednesday Night | 42°F | Mostly Cloudy | 3 mph NW | 8% |
| Thursday | 53°F | Mostly Cloudy then Slight Chance Rain Showers | 2 mph N | 18% |
| Thursday Night | 41°F | Slight Chance Rain Showers | 2 mph NW | 18% |
| Friday | 51°F | Slight Chance Rain Showers | 3 mph NW | 19% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Snoqualmie Pass, WA
Last spring frost
May 14
First fall frost
Oct 17
Growing season
154 days
Hardiness zone
7a
Explore more for Snoqualmie Pass, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Stampede Pass, Wa (10.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.