Snoqualmie Pass, WA Weather & Growing Conditions
Today
44°F
Mostly Sunny then Slight Chance Rain Showers
A slight chance of rain showers after 4pm. Mostly sunny. High near 44, with temperatures falling to around 40 in the afternoon. South wind 1 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 44°F | Mostly Sunny then Slight Chance Rain Showers | 1 to 5 mph S | 16% |
| Tonight | 34°F | Rain And Snow Showers | 1 to 7 mph SW | 90% |
| Thursday | 38°F | Chance Rain And Snow Showers then Mostly Cloudy | 1 to 7 mph W | 54% |
| Thursday Night | 34°F | Mostly Cloudy then Rain And Snow Showers Likely | 1 to 5 mph S | 61% |
| Friday | 40°F | Rain And Snow Showers Likely | 1 to 5 mph SE | 74% |
| Friday Night | 38°F | Rain Showers Likely | 1 to 6 mph SE | 74% |
| Saturday | 45°F | Partly Sunny then Slight Chance Rain Showers | 3 to 9 mph E | 15% |
| Saturday Night | 36°F | Rain Showers then Rain And Snow Showers | 6 mph S | 84% |
| Sunday | 37°F | Rain And Snow Showers | 1 to 6 mph W | 84% |
| Sunday Night | 34°F | Slight Chance Rain Showers then Mostly Cloudy | 1 to 5 mph N | 23% |
| Monday | 40°F | Chance Rain Showers | 1 to 5 mph E | 39% |
| Monday Night | 36°F | Chance Rain Showers | 3 mph E | 52% |
| Tuesday | 41°F | Chance Rain Showers | 3 mph SE | 53% |
| Tuesday Night | 37°F | Chance Rain Showers | 2 to 6 mph SE | 51% |
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 Nov 4, 2026.