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Snoqualmie Pass, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Snoqualmie Pass, a community in Kittitas County, Washington.

Overnight
35°F
Patchy Fog
Patchy fog after 4am. Clear, with a low around 35. Wind around 0 mph.

7-day forecast for Snoqualmie Pass

WhenTempForecastWindPrecip
Overnight 35°F Patchy Fog 0 mph 2%
Wednesday 51°F Patchy Fog then Slight Chance Rain Showers 0 mph 17%
Wednesday Night 39°F Rain Showers 0 mph 91%
Thursday 44°F Chance Rain Showers then Mostly Cloudy 2 mph W 52%
Thursday Night 36°F Patchy Fog then Rain Showers Likely 0 mph 60%
Friday 46°F Rain Showers Likely 0 mph 74%
Friday Night 40°F Rain Showers Likely 0 mph 74%
Saturday 52°F Patchy Fog then Slight Chance Rain Showers 0 to 5 mph SE 15%
Saturday Night 39°F Rain Showers 1 to 5 mph S 81%
Sunday 44°F Rain Showers 0 to 5 mph W 81%
Sunday Night 36°F Slight Chance Rain Showers then Mostly Cloudy 2 mph NE 23%
Monday 47°F Chance Rain Showers 0 to 3 mph SE 38%
Monday Night 38°F Chance Rain Showers 2 mph SE 52%
Tuesday 48°F Chance Rain Showers 2 mph SE 53%

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

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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 Nov 4, 2026.