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Marysville, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Marysville, a city in Snohomish County, Washington.

Today
87°F
Sunny then Areas Of Smoke
Areas of smoke after noon. Sunny, with a high near 87. Northwest wind 1 to 8 mph.

7-day forecast for Marysville

WhenTempForecastWindPrecip
Today 87°F Sunny then Areas Of Smoke 1 to 8 mph NW 0%
Tonight 56°F Patchy Smoke then Mostly Clear 1 to 7 mph N 0%
Wednesday 90°F Patchy Smoke 1 to 7 mph NW 0%
Wednesday Night 59°F Clear 1 to 7 mph N 0%
Thursday 91°F Sunny 1 to 6 mph NW 0%
Thursday Night 59°F Mostly Clear 1 to 6 mph N 0%
Friday 88°F Sunny 1 to 6 mph SW 0%
Friday Night 58°F Mostly Clear 2 to 6 mph NNW 0%
Saturday 81°F Sunny 1 to 8 mph NNW 0%
Saturday Night 55°F Mostly Clear 1 to 8 mph NNW 0%
Sunday 79°F Mostly Sunny 1 to 6 mph WNW 0%
Sunday Night 54°F Mostly Clear 1 to 6 mph NNW 1%
Monday 79°F Mostly Sunny 1 to 6 mph WNW 1%
Monday Night 54°F Partly Cloudy 1 to 6 mph NNW 1%

Forecast source: National Weather Service (api.weather.gov) for Marysville (48.080, -122.154). Updated through the day.

Growing snapshot for Marysville

Last spring frost
Mar 24
First fall frost
Nov 2
Growing season
223 days
Hardiness zone
8b

More local growing data for Marysville: nearby ZIP 98270 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Everett, Wa (6 mi from Marysville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.