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Bothell West, WA Weather & Growing Conditions

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

Today
72°F
Mostly Sunny
Mostly sunny. High near 72, with temperatures falling to around 70 in the afternoon. West northwest wind around 3 mph.

7-day forecast for Bothell West

WhenTempForecastWindPrecip
Today 72°F Mostly Sunny 3 mph WNW 0%
Tonight 50°F Mostly Clear 3 mph NNW 0%
Sunday 70°F Partly Sunny 1 to 5 mph NNW 0%
Sunday Night 51°F Partly Cloudy 1 to 5 mph N 0%
Monday 70°F Mostly Sunny 1 to 5 mph N 0%
Monday Night 52°F Partly Cloudy 1 to 5 mph N 1%
Tuesday 68°F Partly Sunny 2 mph N 1%
Tuesday Night 50°F Mostly Cloudy 2 mph NE 11%
Wednesday 67°F Partly Sunny then Slight Chance Light Rain 3 mph SW 16%
Wednesday Night 50°F Slight Chance Light Rain then Mostly Cloudy 3 mph N 16%
Thursday 64°F Mostly Cloudy then Slight Chance Light Rain 2 to 6 mph N 19%
Thursday Night 50°F Slight Chance Light Rain 2 to 6 mph N 20%
Friday 63°F Slight Chance Light Rain 5 mph NNW 15%
Friday Night 48°F Slight Chance Light Rain then Partly Cloudy 5 mph N 15%

Forecast source: National Weather Service (api.weather.gov) for Bothell West (47.806, -122.240). Updated through the day.

Growing snapshot for Bothell West

Last spring frost
Mar 8
First fall frost
Nov 23
Growing season
259 days
Hardiness zone
8b

More local growing data for Bothell West: nearby ZIP 98021 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Seattle Sand Pt Wsfo, Wa (7.6 mi from Bothell West). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.