Snoqualmie Pass, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Snoqualmie Pass, a community in Kittitas County, Washington.
This Afternoon
72°F
Mostly Sunny
Mostly sunny. High near 72, with temperatures falling to around 70 in the afternoon. West wind around 2 mph.
7-day forecast for Snoqualmie Pass
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Mostly Sunny | 2 mph W | 0% |
| Tonight | 51°F | Mostly Clear | 0 mph | 0% |
| Sunday | 75°F | Sunny | 1 mph SE | 0% |
| Sunday Night | 53°F | Mostly Clear | 0 mph | 0% |
| Monday | 70°F | Mostly Sunny | 0 to 3 mph NW | 0% |
| Monday Night | 46°F | Partly Cloudy | 2 mph NW | 0% |
| Tuesday | 60°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Tuesday Night | 43°F | Mostly Cloudy | 0 to 3 mph W | 1% |
| Wednesday | 57°F | Partly Sunny | 0 to 5 mph W | 10% |
| Wednesday Night | 43°F | Mostly Cloudy | 0 to 3 mph N | 10% |
| Thursday | 57°F | Partly Sunny then Slight Chance Rain Showers | 2 mph N | 21% |
| Thursday Night | 42°F | Slight Chance Rain Showers | 2 mph N | 21% |
| Friday | 54°F | Slight Chance Rain Showers | 0 to 3 mph NW | 23% |
| Friday Night | 41°F | Slight Chance Rain Showers | 2 mph NW | 23% |
Forecast source: National Weather Service (api.weather.gov) for Snoqualmie Pass (47.401, -121.411). Updated through the day.
Growing snapshot for Snoqualmie Pass
Last spring frost
May 14
First fall frost
Oct 17
Growing season
154 days
Hardiness zone
7a
More local growing data for Snoqualmie Pass: nearby ZIP 98068 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Stampede Pass, Wa (10.9 mi from Snoqualmie Pass). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.