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North Sultan, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for North Sultan, a community in Snohomish County, Washington.

This Afternoon
59°F
Partly Sunny
Partly sunny. High near 59, with temperatures falling to around 53 in the afternoon. Wind around 0 mph.

7-day forecast for North Sultan

WhenTempForecastWindPrecip
This Afternoon 59°F Partly Sunny 0 mph 3%
Tonight 42°F Partly Cloudy 2 mph ENE 4%
Wednesday 60°F Mostly Sunny 2 mph E 12%
Wednesday Night 47°F Light Rain 0 to 3 mph SE 99%
Thursday 55°F Light Rain 2 mph SSE 80%
Thursday Night 46°F Light Rain 0 to 6 mph E 86%
Friday 55°F Light Rain 0 to 6 mph SE 86%
Friday Night 47°F Light Rain Likely 0 to 3 mph SE 61%
Saturday 63°F Chance Light Rain 0 to 3 mph E 29%
Saturday Night 48°F Rain 0 to 7 mph SE 86%
Sunday 55°F Light Rain 0 to 7 mph S 86%
Sunday Night 43°F Chance Light Rain 0 to 3 mph E 39%
Monday 57°F Chance Light Rain 0 to 3 mph E 51%
Monday Night 46°F Light Rain Likely 0 to 6 mph E 72%

Forecast source: National Weather Service (api.weather.gov) for North Sultan (47.883, -121.823). Updated through the day.

Growing snapshot for North Sultan

Last spring frost
Apr 17
First fall frost
Oct 23
Growing season
188 days
Hardiness zone
8b

More local growing data for North Sultan: nearby ZIP 98272 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Monroe, Wa (5.1 mi from North Sultan). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.