Bothell, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bothell, a city in King County, Washington.
Today
58°F
Mostly Cloudy then Chance Light Rain
A chance of rain after 4pm. Mostly cloudy. High near 58, with temperatures falling to around 55 in the afternoon. South wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Bothell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 58°F | Mostly Cloudy then Chance Light Rain | 6 mph S | 36% |
| Tonight | 47°F | Light Rain | 6 to 9 mph S | 84% |
| Thursday | 57°F | Partly Sunny | 7 mph S | 5% |
| Thursday Night | 45°F | Light Rain Likely | 7 mph SSE | 71% |
| Friday | 55°F | Light Rain Likely | 5 to 10 mph SSE | 71% |
| Friday Night | 48°F | Light Rain Likely | 1 to 5 mph SSE | 73% |
| Saturday | 63°F | Chance Light Rain | 2 mph SSE | 28% |
| Saturday Night | 50°F | Light Rain | 2 to 13 mph S | 81% |
| Sunday | 56°F | Light Rain Likely | 2 to 12 mph S | 61% |
| Sunday Night | 42°F | Slight Chance Light Rain | 2 mph SE | 17% |
| Monday | 56°F | Chance Light Rain | 2 mph SE | 40% |
| Monday Night | 46°F | Light Rain Likely | 2 to 7 mph SSE | 58% |
| Tuesday | 58°F | Light Rain Likely | 5 to 9 mph SSE | 58% |
| Tuesday Night | 47°F | Chance Light Rain | 6 mph SSE | 51% |
Forecast source: National Weather Service (api.weather.gov) for Bothell (47.774, -122.204). Updated through the day.
Growing snapshot for Bothell
Last spring frost
Mar 8
First fall frost
Nov 23
Growing season
259 days
Hardiness zone
8b
More local growing data for Bothell: nearby ZIP 98011 weather · frost dates · planting calendar · Washington frost dates
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Climate data from the nearest NOAA station, Seattle Sand Pt Wsfo, Wa (5.5 mi from Bothell). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.