Bothell, WA Weather & Growing Conditions
Overnight
39°F
Patchy Fog
Patchy fog. Mostly clear, with a low around 39. Southeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 39°F | Patchy Fog | 1 mph SE | 1% |
| Wednesday | 58°F | Patchy Fog then Chance Light Rain | 1 to 6 mph SSE | 36% |
| Wednesday Night | 47°F | Light Rain | 6 to 9 mph S | 84% |
| Thursday | 57°F | Partly Sunny | 7 mph S | 6% |
| Thursday Night | 45°F | Light Rain Likely | 8 mph SSE | 73% |
| Friday | 55°F | Light Rain Likely | 5 to 10 mph SSE | 73% |
| Friday Night | 48°F | Light Rain Likely | 1 to 5 mph SSE | 73% |
| Saturday | 62°F | Chance Light Rain | 2 mph SSE | 27% |
| 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 | 55°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 10 mph SSE | 58% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Bothell, WA
Last spring frost
Mar 8
First fall frost
Nov 23
Growing season
259 days
Hardiness zone
8b
Explore more for Bothell, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Seattle Sand Pt Wsfo, Wa (7.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.